works

104. Bimetallic AuPd Nanocluster Catalysts with Controlled Atomic Gold Distribution for Oxidative Dehydrogenation of Tetralin:
Arumugam Murugadoss Kazu Okumura and Hidehiro Sakurai*
J. Phys. Chem. C, in press.

103. Structure of ReOx Clusters Attached on the Ir Metal Surface in Ir/ReOx/SiO2 for the Hydrogenolysis Reaction:
Yasushi Amada, Hideo Watanabe, Masazumi Tamura,Yoshinao Nakagawa,Kazu Okumura,and Keiichi Tomishige*
J. Phys. Chem. C 2012, 116, 23503-23514.

102. Structure and catalysis of layered Nb-W oxide constructed by the self-assembly of nanofibers:
Kazu Okumura*, Soichiro Ishida, Ryota Takahata and Naonobu Katada
Catal. Today, in press.

101. ゼオライトを担体とした金ナノ粒子の調製と触媒作用:
奥村 和*
ケミカルエンジニヤリング, 849-853 (2012).

100. Application of Solid-State Molybdenum Sulfide Clusters with an Octahedral Metal Framework to Catalysis: Ring-Opening of Tetrahydrofuran to Butyraldehyde:
Satoshi Kamiguchi*, Kunio Takeda, Ryu Kajio, Kazu Okumura, Sayoko Nagashima and Teiji Chihara
J. Cluster Sci., in press.

99. High-turnover Heterogeneous Palladium Catalysts in Coupling Reactions: the case of Pd loaded on dealuminated-Y zeolites:
Kazu Okumura*
A. Molnar (ed.), Palladium-Catalyzed Coupling Reactions - Practical Aspects and Future Developments, Wiley-VCH, in press.

98. Formation and catalysis of mesoporous Nb-Mo oxide generated by the self-assembly of nanoparticles:
Kazu Okumura*, Soichiro Ishida, Yoshitaka Kinoshita, Takashi Sanada, Keiko Iida and Naonobu Katada
Chem. Lett., 41(9) 947-949 (2012).

97. Formation of nanometer-sized Au particles on USY zeolites under hydrogen atmosphere:
Kazu Okumura*, Chika Murakami, Tetsuya Oyama, Takashi Sanada, Ayano Isoda, and Naonobu Katada
Gold Bulletin，45(2), 83-90 (2012).

96. Spontaneous Dispersion of Gold Nanoparticles Loaded on USY Zeolites as Analyzed by XAFS, XRD, and TEM :
Takashi Sanada, Kazu Okumura*, Chika Murakami, Tetsuya Oyama, Ayano Isoda and Naonobu Katada
Chem. Lett.，41, 337-339 (2012).

95.強酸点を有するUSYゼオライトの調製・触媒作用と担体効果:
奥村　和
ペテロテック，35, 116-121 (2012).

94.Stable Low-Valence ReOx Cluster Attached on Rh Metal Particles Formed by Hydrogen Reduction and Its Formation Mechanism:
Shuichi Koso,Hideo Watanabe,Kazu Okumura,Yoshinao Nakagawa,and Keiichi Tomishige
Appl. Catal. B 111, 23-37 (2012).

93.Comparative study of Rh-MoOx and Rh-ReOx supported on SiO2 for the hydrogenolysis of ethers and polyols:
Shuichi Koso,Hideo Watanabe,Kazu Okumura,Yoshinao Nakagawa,and Keiichi Tomishige
J. Phys. Chem. C 116, 3079-3090 (2012).

92.USYゼオライトを担体とした原子状パラジウムによるクロスカップリング反応:
奥村　和, 丹羽　幹
触媒，54, 21-26 (2012).

91. Evolution of strong acidity and high-alkane-cracking activity in ammonium-treated USY zeolites:
Kazu Okumura, Takuya Tomiyama, Nami Morishita, Takashi Sanada, Kazuhiro Kamiguchi, Naonobu Katada, Miki Niwa
Appl. Catal. A, 405: 8-17 (2011)

90.Addition of olefins to acetylacetone catalyzed by cooperation of Bronsted acid site of zeolite and gold cluster:
Ken-ichi Shimizu, Takumi Yamamoto, Yutaka Tai, Kazu Okumura, Atsushi Satsuma
Appl. Catal. A, 400:171-175 (2011)

89.Layered Nb2O5-WOx Sheet Catalyst Composed of Nanofibers that are Active in the Friedel-Crafts Reactions :
Kazu Okumura, Soichiro Ishida, Takuya Tomiyama, Miki Niwa
Chem. Lett., 40:527-529 (2011)

88. Enhancement in the catalytic activity of Pd/USY in the Heck reaction induced by H2 bubbling :
Kazu Okumura, Takuya Tomiyama, Sayaka Moriyama, Ayaka Nakamichi, Miki Niwa
Molecules, 16:38-51 (2011)

87.Enhancement in cracking activity of USY zeolites treated with ammonium nitrate solution :
Takuya, Tomiyama, Kazu Okumura*, Miki Niwa
Chem. Lett., 40:49-51 (2011)

86. Hydrothermal synthesis and catalysis of Nb2O5-WO3 nanofiber crystal :
Kazu Okumura, Takuya, Tomiyama, Shuhei Shirakawa, Soichiro Ishida, Takashi Sanada, Masazumi Arao, Miki Niwa
J. Mater. Chem., 21:229-235 (2011)

85. タングステン酸性酸化物種によるフリーデル・クラフツ反応 :
奥村 和, 丹羽 幹
表面科学, 32(2):81-87 (2011)

84. 新しい原子状Pd触媒の発見と鈴木カップリング反応の高機能化 :
奥村 和
機能材料, 31(3):43-51 (2011)

83. Origin of the Excellent Catalytic Activity of Pd Loaded on Ultra-Stable Y Zeolites in Suzuki-Miyaura Reactions :
Kazu Okumura, Takuya, Tomiyama, Shizuyo Okuda, Hiroyuki Yoshida, Miki Niwa
J. Catal., 273:156-166 (2010)

82. Characterization and Design of Zeolite Catalysts: Solid Acidity, Shape Selectivity and Loading Properties :
Miki Niwa, Naonobu Katada, Kazu Okumura
Springer Series in Materials Science, Vol. 141, Springer, Berlin, Heidelberg, Dordrecht and New York (2010). ISBN: 978-3-642-12619-2

81. Comparative study of Rh/MgO modified with Fe, Co or Ni for the catalytic partial oxidation of methane at short contact time. Part I: Characterization of catalysts :
Hisanori Tanaka, Rie Kaino, Kazu Okumura, Tokushi Kizuka, Yoshinao Nakagawa, Keiichi Tomishige
Appl. Catal. A, 378:175-186 (2010)

80. In situ XAFS study of the sulfidation of Co-Mo/B2O3/Al2O3 hydrodesulfurization catalysts prepared by using citric acid as a chelating agent :
Takeshi Kubota, Nino Rinaldi, Kazu Okumura, Tetsuo Honma, Sayaka Hirayama, Yasuaki Okamoto
Appl. Catal. A, 373:214-221 (2010)

79. Highly Dispersed Pd Species Active in the Suzuki-Miyaura Reaction :
Kazu Okumura,Hirosuke Matsui, Takuya Tomiyama, Takashi Sanada, Tetsuo Honma, Sayaka Hirayama, Miki Niwa
ChemPhysChem, 10:3129-3351 (2009)

78. In situ XAFS Studies on the Dynamic Behavior of Active Species in Heterogeneous Catalysts :
Kazu Okumura
H. Fukumura, M. Irie, Y. Iwasawa, H. Masuhara, K. Uosaki, eds., Molecular Nano Dynamics, Wiley-VCH, 427-440（2009）

77. Generation of the active Pd cluster catalyst in the Suzuki-Miyaura reactions :
Effect of the activation with H2 studied by means of quick XAFS :
Kazu Okumura,Hirosuke Matsui, Takashi Sanada, Masazumi Arao, Tetsuo Honma, Sayaka Hirayama, Miki Niwa
J. Catal., 265:89-98 (2009)

76. 時分割XAFS法による高活性パラジウム触媒の形成過程および動的挙動の解明：
奥村 和
表面技術協会誌，60(9):561-565

75. The Active Catalyst Derived from Nb-Containing Heteropoly Acids: Their Acid Properties and Catalysis in Friedel-Crafts Reactions :
Kazu Okumura
J. Jpn. Petro. Inst., 52(5):219-230 (2009)

74. 時分割QXAFS法による高活性パラジウム触媒の形成過程および動的挙動の解明：
奥村 和
放射光, (3):151-157 (2009)

73. Enhancement of the Catalytic Activity of a Dawson-type Heteropoly Acid Induced by the Loading on a Silica Support :
Kazu Okumura, Sho Ito, Michiyo Yonekawa, Akiko Nakashima, Miki Niwa
Top. Catal., 52:649-656 (2009)

72. Stepwise Growth of Pd Clusters in USY Zeolite at Room Temperature Analyzed by QXAFS :
Kazu Okumura, Tetsuo Honma, Sayaka Hirayama, Takashi Sanada, Miki Niwa
J. Phys. Chem. C, 112:16740-16747 (2008)

71. Promoting effect of Co addition on the catalytic partial oxidation of methane at short contact time over a Rh/MgO catalyst :
Seiji Naito, Hisanori Tanaka, Shigeru Kado, Toshihiro Miyao, Shuichi Naito, Kazu Okumura, Kimio Kunimori, Keiichi Tomishige
Appl. Catal. A, 351:217-225 (2008)

70. Oxidative steam reforming of methane over Ni/alpha-Al2O3 modified with trace Pd :
Kaori Yoshida, Kazu Okumura, Toshohiro Miyao, Shuichi Naito, Shin-ichi Ito, Kimio Kunimori, Keiichi Tomishite
Appl. Catal. A, 351:217-225 (2008)

69. Promotion of oxidation and reduction of Rh species by interaction of Rh and CeO2 over Rh/CeO2/SiO2 :
Tomohisa Miyazawa, Kazu Okumura, Kimio Kunimori, Keiichi Tomishige
J. Phys. Chem. C, 112:2574-2583 (2008)

68. Catalytic performance and QXAFS analysis of Ni catalysts modified with Pd for oxidative steam reforming of methane :
Yuya Mukainakano, Kaori Yoshida, Kazu Okumura, Kimio Kunimori, Keiichi Tomishige
Catal. Toady, 132:101-108 (2008)

67. In-situ QXAFS Studies on the Dynamic Coalescence and Dispersion Processes of Pd in the USY Zeolite :
K. Okumura, Kazuo Kato, Takashi Sanada, Miki Niwa
J. Phys. Chem. C, 111(39):14426-14432 (2007)

66. In situ time-resolved dynamic surface events on the Pt/C cathode in a fuel cell under operando conditions :
Mizuki Tada, Shigeaki Murata, Takahiko Asaoka, Kazutaka Hiroshima, K. Okumura, Hajime Tanida, Tomoya Uruga, Haruyuki Nakanishi, Shin-ichi Matsumoto Yasuhiro Inada, Masaharu Nomura, Yasuhiro Iwasawa
Angew. Chem., 46(23):4310-4315 (2007)

65. Science and Technology in Catalysis 2006, p413 :
K. Okumura
K. Eguchi, M. Machida, I. Yamanaka, eds., Kodansha/Elsevier

64. Stability Test and EXAFS Characterization of Plasma Prepared Pd/HZSM-5 Catalyst for Methane Combustion :
Dangguo Cheng, Kazu Okumura, Yongbin Xie and Chang-jun Liu
Appl. Surf. Sci., 254:1506-1510 (2007)

63. QXAFS法による触媒活性種の構造解析 :
奥村和
触媒：397-398 (2007)

62. SPring-8の高輝度放射光を利用した先端触媒開発 :
奥村和・丹羽幹
ゼオライト担持貴金属触媒のXAFSによる活性種形成過程解析，エヌ・ティー・エス, pp224-233

61. Catalytic performance and characterization of Pd/Ni0.2Mg0.8Al2O4 in oxidative steam reforming of methane under atmospheric and pressurized conditions :
Mohammad Nurunnabi, Yuya Mukainakano, Shigeru Kado, Toshihiro Miyao, Shuichi Naito, K. Okumura, Kimio Kunimori, Keiichi Tomishige*
Appl. Catal. A, 325:154 (2007)

60. Cooperative Effect Induced by the Mixing of Na-ZSM-5 and Pd/H3PW12O40/SiO2 in the Selective Catalytic Reduction of NO with Aromatic Hydrocarbons :
Ryosuke Yoshimoto, Takashi Ninomiya, Kazu Okumura and Miki Niwa
Appl. Catal. B, 75:175-181 (2007)

59. Formation and Redispersion of Silver Clusters in Ag-MFI Zeolite as Investigated by Time-Resolved QXAFS and UV-Vis :
Ken-ichi Shimizu, Kenji Sugino, Kazuo Kato, Shigeru Yokota, Kazu Okumura, and Atsushi Satsuma
J. Phys. Chem. C, 111:1683-1688 (2007)

58. The importance of Fe loading on the N2O reduction with NH3 over Fe-MFI: Effect of acid site formation on Fe species :
Kou Sugawara, Takeshi Nobukawa, Masanori Yoshida, Yoshihiro Sato, Kazu Okumura, Keiichi Tomishige, Kimio Kunimori
Appl. Catal. B, 69:154-163(2007)

57. Surface modification of Ni catalysts with trace Pt for oxidative steam reforming of methane :
Baitao Li, Shigeru Kado, Yuya Mukainakano, Tomohisa Miyazawa, Toshihiro Miyao, Shuichi Naito, K. Okumura, Kimio Kunimori , Keiichi Tomishige
J. Catal., 245:144-155 (2007)

56. Analysis of Toluene Adsorption on Na-form Zeolite Using Temperature-Programmed Desorption Method :
Ryosuke Yoshimoto, Kazuya Hara, K. Okumura*, Naonobu Katada, Miki Niwa
J. Phys. Chem., C, 111:1474-1479 (2007)

55. Surface modification of Ni catalysts with trace Pd and Rh for oxidative steam reforming of methane :
Yuya Mukainakano, Baitao Li, Shigeru Kado, Tomohisa Miyazawa, K. Okumura, Toshihiro Miyao, Shuichi Naito, Kimio Kunimori, Keiichi Tomishige
Appl. Catal. A, 318:252-264 (2007)

54. Reductive Activation of O2 with H2 Reduced Silver Clusters as a Key Step in the H2-Promoted Selective Catalytic Reduction of NO with C3H8 over Ag/Al2O3 :
Ken-ichi Shimizu, Masao Tsuzuki, Kazuo Kato, Shigeru Yokota, K. Okumura, Atsushi Satsuma
J. Phys. Chem. C, 111:950-959 (2007)

53. Development of Ni catalysts for tar removal by steamgasification of biomass :
T. Kimura, T. Miyazawa, J. Nishikawa, S. Kado, K. Okumura, T. Miyao, S. Naito, K. Kunimori, K. Tomishige,
Applied Catalysis B: Environmental, 68:160-170 (2006)

52. Studies on the Identification of the Heteropoly Acid Generated in the H3PO4-WO3-Nb2O3 Catalyst and Its Thermal Transformation Process :
K. Okumura, K. Yamashita, K. Yamada, and M. Niwa
J. Catal., 245:75-83 (2007)

51. ゼオライト担持貴金属触媒のXAFSによる活性種形成過程解析 :
奥村 和・丹羽幹
SPring-8の高輝度放射光を利用した先端触媒開発, エヌ・ティー・エス (2006)

50. Activity and acidity of Nb2O5-MoO3 and Nb2O5-WO3 in the Friedel-Crafts Alkylation :
K. Yamashita, M. Hirano, K. Okumura and Miki Niwa
Catal. Today, 118:385-391 (2006)

49. Oxidative steam reforming of methane under atmospheric and pressurized conditions over Pd/NiO?MgO :
M. Nurunnabi, Y. Mukainakano, S. Kado, T. Miyazawa, K. Okumura, T. Miyao, S. Naito, K. Suzuki, Ken-Ichiro Fujimoto, Kimio Kunimori, Keiichi Tomishige
Appl. Catal., A 308(1) (2006)

48. Role of active oxygen transients in selective catalytic reduction of N2O with CH4 over Fe-zeolite catalysts :
T. Nobukawa, K. Sugawara, K. Okumura, K. Tomishige, K. Kunimori
Applied Catalysis B: Environmental, 70:342-352 (2007)

47. Pd loaded on high silica beta support active for the total oxidation of diluted methane in the presence of water vapor :
K. Okumura, E. Shinohara and M. Niwa
Catal. Today, 117(4):577-583(2006)

46. Strong Inhibition Effect of Sulfur Impurities in Alumina Supports on the Catalytic Activity of Rh in the CH4-CO2 Reforming Reaction
S. Yokota, K. Okumura, M. Niwa
Appl. Catal. A, 310:122-126 (2006)

45. Speciation of iodine in solid environmental samples by iodine K-edge XANES: application to soils and ferromanganese oxides :
S. Kodama, Y. Takahashi, K. Okumura, and T. Uruga
Science of the Total Environment, 363:275-284 (2006)

44. The Active and Reusable Catalyst in the Friedel-Crafts Alkylation Derived from a Heteropoly Acid :
K. Okumura, K. Yamashita, M. Hirano and M. Niwa
J. Catal., 234(2):300-307 (2005)

43. Quick XAFS Studies on the Y-Type Zeolite Supported Au Catalysts for CO-O2 Reaction :
K. Okumura, K. Yoshino, K. Kato and M. Niwa
J. Phys. Chem. B, 109:12380-12386 (2005)

42. Active and Reusable Catalyst in the Friedel-Crafts Alkylation Derived from a Heteropoly Acid :
K. Okumura. Yamashita, M. Hirano and M. Niwa
Chem. Lett., 34:716-717 (2005)

41.アルキル化反応用触媒およびアルキル置換芳香族化合物の製造法 :
奥村 和，山下克彦，平野美穂，丹羽 幹
特願2005-075976

40. Speciation of osmium in an iron meteorite and a platinum ore specimen based on X-ray absorption fine-structure spectroscopy :
N. Sakakibara, Y. Takahashi, K. Okumura, K. H. Hattori, T. Yaita, K. Suzuki and H. Shimizu
Geochemical Journal, 39(4):383-389 (2005)

39. Fe-MFI触媒上のN2O還元反応における還元剤の種類による影響と活性点の構造解析 :
菅原康，信川健，野口義雄，奥村 和，伊藤伸一，冨重圭一，国森公夫
表面科学,26(7):385-391 (2005)

38. X線吸収微細構造法によるゼオライト細孔内における金属クラスターの形成過程観察 :
奥村 和, 加藤和男
表面, 42:233-242 (2005)

37. Catalytic Performance and Elution of Pd in the Heck Reaction over Zeolite Supported Pd Cluster Catalyst :
K. Okumura, K. Nota, K. Yoshida, and M. Niwa
J. Catal., 231:245-253 (2005)

36. Selective Catalytic Reduction of NO by Methane over Pd Loaded on heteropolyacids/SiO2 at Low Temperature :
K. Okumura, R. Yoshimoto, K. Suzuki, and M. Niwa
Bull. Chem. Soc. Jpn., 78 (2005) 361-366

35. 環境触媒としてのパラジウム触媒におけるゼオライトの担体効果 :
奥村 和, 丹羽 幹
触媒, 47:21-15 (2005)

34. Effect of reductants in N2O reduction over Fe-MFI catalysts :
T. Nobukawa, M Yoshida, K. Okumura, K. Tomishige, and Kimio Kunimori
J. Catal., 229:374-388 (2005)

33. Spontaneous Dispersion of PdO and Generation of Metal Pd cluster in Zeolites Studied by Means of in situ DXAFS :
K. Okumura, R Yoshimoto, S Yokota, Kazuo Kato, Hajime Tanida, Tomoya Uruga, and Miki Niwa
Physica Scripta, T115:816-818 (2005)

32. 窒素酸化物の還元用触媒および窒素酸化物の除去方法 :
奥村 和，吉本亮介，丹羽 幹
特願2004-45160

31. 芳香族化合物の水素化反応触媒および芳香族化合物の水素化方法 :
奥村 和，東海博之，丹羽 幹
特願2004-29348

30. Fe-BEA触媒上のCH4によるN2O選択還元反応　―表面中間体と反応メカニズム―
信川 健、吉田正典、奥村 和、亀岡 聡、伊藤伸一、冨重圭一、国森公夫
表面科学 25:505-512 (2004)

29. Energy-Dispersive XAFS Studies on the Spontaneous Dispersion of PdO and the Formation of Stable Pd Clusters in Zeolites :
K. Okumura, R. Yoshimoto, T. Uruga, H. Tanida, K. Kato, S. Yokota and M. Niwa
J. Phys. Chem. B, 108:6250-6255 (2004)

28. Spontaneous Dispersion of PdO onto acid sites of zeolites Studied by in situ DXAFS :
K. Okumura, T. Kusakabe, S. Yokota, K. Kato, H. Tanida, T. Uruga, and M. Niwa
Chem. Lett., 32:636-637 (2003)

27. Toluene Combustion over Supported Palladium Catalysts :
K. Okumura, H. Tanaka, T. Kobayashi and M. Niwa
Appl. Catal. B, 44:325-331 (2003)

26. Catalytic Activity of Pd Loaded on WO3/Al2O3 for NO-CH4-O2 in the Presence of Water Vapor :
R. Yoshimoto, K. Okumura and M. Niwa.
Catal. Today, 84:159-164 (2003)

25. Catalytic Activity and Solid Acidity of Vanadium Thin Layer Loaded on TiO2, ZrO2 and SnO2 :
Y. Habuta, N. Narishige, K. Okumura, N. Katada and M. Niwa
Catal. Today, 78:131-138 (2003)

24. Durable and Selective Activity of Pd Loaded on WO3/ZrO2 for NO-CH4-O2 in the Presence of Water Vapor :
K. Okumura, T. Kusakabe, and M. Niwa
Appl. Catal., B(41):137-142 (2003)

23. Support Effect of Zeolite on the Methane Combustion Activity of Palladium :
K. Okumura, S. Matsumoto, N. Nishiaki, and M. Niwa
Appl. Catal., B(41):151-159 (2003)

22. ゼオライトに担持した金属クラスターのXAFSによる状態解析 :
奥村 和
ゼオライト, 99-105 (2002)

21. Support Effect of Metal Oxide on the Rh catalysts in the CH4-CO2 Reforming Reaction :
S. Yokota, K. Okumura, and M. Niwa
Catal. Lett., 84:131-134 (2002)

20. Catalytic Activity of Mesoporous Silica for Synthesis of Methyl N-Phenyl Carbamate from Dimethyl Carbonate and Aniline :
N. Katada, H. Fujinaga, Y. Nakamura, K. Okumura, K. Nishigaki and M. Niwa
Catal. Lett., 80:47-51 (2002)

19. Application of XANES for the Determination of Oxidation States of Co and Pb in Natural Ferromanganese Nodules :
Y. Takahashi, A. Usui, K. Okumura, T. Uruga, M. Nomura, M. Murakami, and H. Shimizu
Chem. Lett., 366-367 (2002)

18. Support Effect of Zeolite on the Methane Combustion Activity of Palladium :
K. Okumura and M. Niwa
Catal. Surv. Japan, 5:121-126 (2002)

17. Control of the Dispersion of Pd through the Interaction with Acid Sites of Zeolite Studied by EXAFS :
K. Okumura and M. Niwa
Topics in Catalysis, 18:85-89 (2002)

16. Acid properties and Catalysis of MCM-22 with Different Al Concentration :
K. Okumura, M. Hashimoto, T. Mimura, and Miki Niwa
J. Catal., 206:23-28 (2002)

15. Improvement of the Catalytic Performance of Pd/WO3/ZrO2 in the Selective NO-CH4-O2 Reaction by the Addition of Water Vapor :
K. Okumura, T. Kusakabe, N. Yasunobu, and Miki Niwa
Chem. Lett., 1018 (2001)

14. Prominent Catalytic Activity of Ga-containing MCM-41 in the Friedel-Crafts Alkylation :
K. Okumura, K. Nishigaki, and Miki Niwa
Microporous and Mesoporous Mater., 44-45:509-516 (2001)

13. "Regulation of the Dispersion of PdO through the Interaction with Acid Sites of Zeolites Studied by Extended X-ray Absorption Fine Structure :
K. Okumura and M. Niwa
J. Phys. Chem. B, 104:9670-9675 (2000)

12. X-ray Absorption Fine Structure Study of the Formation of the Highly Dispersed PdO over ZSM-5 and the Structural Change of Pd Induced by Adsorption of NO :
K. Okumura, J. Amano, N. Yasunobu, and M. Niwa
J. Phys. Chem. B, 104:1050-1057 (2000)

11. Water Vapor Tolerance of the Pd/HZSM-5 in the NO-Methane-O2 Reaction: Its Relation with Very Strong Solid Acidity of Zeolite Support :
J. Amano, O. Shoji, K. Okumura, and M. Niwa
Stud. Surf. Sci. and Catal., 130:905-910 (2000)

10. Studies on the Formation and Structure of Highly Dispersed PdO Interacted with Bronsted Acid Sites of Zeolite by EXAFS :
K. Okumura, J. Amano, and M. Niwa
Chem. Lett.,997 (1999)

9. Influence of Acid-Base Property of Support on the Toluene Combustion Activity of Palladium :
K. Okumura, H. Tanaka, and M. Niwa
Catal. Lett., 58:43 (1999)

8. Studies on the Structure and Acid Properties of GaMCM-41 Mesoporous Molecular Sieve :
K. Okumura, K. Nishigaki, and M. Niwa
Chem. Lett., 749 (1998)

7. Characterization of GeO2 Sub-monolayers on SiO2 Prepared by Chemical Vapor Deposition of Ge(OMe)4 by EXAFS, FT-IR, and XRD :
K. Okumura, K. Asakura, and Y. Iwasawa
Langmuir, 14:3607 (1998)

6. Chemical Control of Noble Metal Catalysis by Main Group Elements :
A. Asakura, K. Okumura T. Inoue, T. Kubota, W-J. Chen and Y. Iwasawa
Mat. Res. Soc. Symp. Proc., 497:99 (1988)

5. Reversible structure change of one-atomic layer GeO2 on SiO2 surface under the interaction with Rh particles by in-situ XAFS studies :
K. Okumura, K. Asakura and Y. Iwasawa
Catal. Today, 39:343-350 (1998)

4. Structural Transformation and Low-Pressure Catalysis for Ethyl Acetate Hydrogenation of Rh/One-Atomic-Layer GeO2/SiO2 :
K. Okumura, K. Asakura and Y. Iwasawa
J. Phys. Chem. B, 101:9984 (1997)

3. Rh/One-atomic Layer GeO2/SiO2 as a New Catalyst for Ethyl Acetate Hydrogenation at a Low Pressure :
K. Okumura, K. Asakura and Y. Iwasawa
Chem. Lett., 985 (1997)

2. Reversible Structural Change of Rh Particles Supported on GeO2 Submonolayers /SiO2 in Reduction and Oxidation by XAFS, XRD, TEM and FTIR :
K. Okumura, N. Ichikuni, K. Asakura and Y. Iwasawa
J. Chem. Soc., Faraday trans., 93:3217 (1997)

1. Zirconium Oxides Dispersed on Silica Derived from Cp2ZrCl2, [(i-PrCp)2ZrH(μ-H)]2, and Zr(OEt)4 Characterized by X-Ray Absorption Fine Structure and Catalytic Ketonization of Acetic Acid :
K. Okumura, and Y. Iwasawa
J. Catal., 164:440-448 (1996)