Faculty of Textile Science and Technology 

Professor Emeritus 


  • Doctor of Engineering, Hokkaido University

Field Of Study

  • Inorganic/coordination chemistry, Inorganic Chemistry
  • Inorganic materials and properties, Inorganic materials/Physical properties
  • Fundamental physical chemistry, Electrochemistry
  • Thin film/surface and interfacial physical properties, Thin film/Surface and interfacial physical properties
  • Nanomaterials, Catalyst chemistry

Mail Address



  • 2009 - 2010
    Professor for a Research Project
  • 2009
    Professor Emeritus, Shinshu University
  • 1997 - 1999
    Vice President, Shinshu University
  • 1988 - 2009
    Professor, Shinshu University
  • 1979 - 1988
    Associate Professor, Yamaguchi University
  • 1976 - 1977
    Guest Researcher, Fritz Haber Institut der Max Planck Gesellschaft
  • 1973 - 1979
    Lecturer (Assistant Professor), Yamaguchi University

Educational Background

  • 1967, Osaka University, Faculty of Engineering, Applied Chemistry
  • 1973, Hokkaido University, Division of Engineering, Applied Chemistry


  • 2014
    The Electrochemical Society of Japan, Executive Contribution Award of The Electrochemical Society of Japan
  • 2011
    The Electrochemical Society of Japan, Excellent Paper Award of The Electrochemical Society of Japan, 2011; Effect of Temperature and Adsorption Potential on the Electro-oxidation of Adsorbed Carbon Monoxide on Carbon Supported PtRu
  • 2009
    A Divusion of ECSJ, The Award of Electrolysis Science and Engineering Division of ECSJ
  • 2007
    ECSJ, The ECSJ Award/Takei Award
  • 2006
    CATSJ, The CATSJ Award (Academic Division)
  • 1978
    CSJ, The CSJ Award for Young Chemists


  • A gas-diffusion cathode coated with oxide-catalyst for polymer electrolyte fuel cells using neither platinum catalyst nor carbon catalyst-support
    Takasu, Y; Fukunaga, H; Yang,HS; Ohashi, T; Suzuki, M; Sugimoto, W
    Electrochimica Acta, 105, 224-229, Aug. 2013WebofScienceリポジトリ電子ジャーナル
  • Catalytic etching of synthetic diamond crystallitesby iron
    Ohashi, Tatsuya; Sugimoto, Wataru; Takasu, Yoshio
    Applied Surface Science, 258(20), 8128-8133, Aug. 2012WebofScienceリポジトリ電子ジャーナル
  • Synthesis of ordered mesoporous ruthenium by lyotropic liquid crystals and its electrochemical conversion to mesoporous ruthenium oxide with high surface area
    Sugimoto, Wataru; Makino, Sho; Mukai, Ryota; Tatsumi, Yoshiaki; Fukuda, Katsutoshi; Takasu, Yoshio; Yamauchi, Yusuke
    Journal of Power Sources, 204, 244-248, Apr. 2012WebofScienceリポジトリ電子ジャーナル
  • Catalytic etching of {100}-oriented diamond coating with Fe, Co, Ni, and Pt nanoparticles under hydrogen
    Ohashi, Tatsuya; Sugimoto, Wataru; Takasu, Yoshio
    DIAMOND AND RELATED MATERIALS, 20(8), 1165-1170, Aug. 2011WebofScienceリポジトリ電子ジャーナル
  • Steam activation of boron doped diamond electrodes
    Ohashi, Tatsuya; Zhang, Junfeng; Takasu, Yoshio; Sugimoto, Wataru
    Electrochimica Acta, 56, 5599-5604, Jun. 2011WebofScienceリポジトリ電子ジャーナル
  • Oxygen reduction characteristics of several valve metal oxide electrodes in HClO(4) solution
    Takasu, Yoshio; Suzuki, Masatoshi; Yang, Hongsheng; Ohashi, Tatsuya; Sugimoto, Wataru
    Electrochimica Acta, 55(27), 8220-8229, Nov. 2010WebofScienceリポジトリ電子ジャーナル
  • Structural analyses of RuO(2)-TiO(2)/Ti and IrO(2)-RuO(2)-TiO(2)/Ti anodes used in industrial chlor-alkali membrane processes
    Takasu, Yoshio; Sugimoto, Wataru; Nishiki, Yoshinori; Nakamatsu, Shuji
    Journal of Applied Electrochemistry, 40(10), 1789-1795, Oct. 2010WebofScienceリポジトリ電子ジャーナル
  • Oxygen Reduction Activity of Silk-derived Carbons
    Iwazaki, T; Yang, H;Obinata, R; Sugimoto, W; Takasu, Y
    Journal of Power Sources, 195(18), 5840-5847, 2010WebofScienceリポジトリ電子ジャーナル
  • Catalytic roughening of surface layers of BDD for various applications
    Ohashi, Tatsuya; Sugimoto, Wataru; Takasu, Yoshio
    Electrochimica Acta, 54(22), 5223-5229, Sep. 2009WebofScience電子ジャーナル
  • Activity and Durability of Ternary PtRuIr/C for Methanol Electro-oxidation
    Geng, Dongsheng; Matsuki, Daisuke; Wang, Jiajia; Kawaguchi, Tomoyuki; Sugimoto, Wataru; Takasu, Yoshio
    Journal of The Electrochemical Society, 156(3), B397-B402, 2009WebofScienceリポジトリ電子ジャーナル
  • High oxygen-reduction activity of silk-derived activated carbon
    Iwazaki, T; Obinata, R; Sugimoto, W; Takasu, Y
    Electrochemistry Communications, 11(2), 376-378, 2009WebofScienceリポジトリ電子ジャーナル
  • An Examination of the Oxygen Reduction Reaction on RuO2-based Oxide Coatings Formed on Titanium Substrates
    Takasu, Y; Oohori, K; Yoshinaga, N; Sugimoto, W
    CATALYSIS TODAY, 146(1-2), 248-252, 2009WebofScienceリポジトリ電子ジャーナル
  • Oxygen reduction behavior of RuO2/Ti, IrO2/Ti and IrM (M : Ru, Mo, W, V) O-x/Ti binary oxide electrodes in a sulfuric acid solution
    Takasu, Y; Yoshinaga, N; Sugimoto, W
    Electrochemistry Communications, 10(4), 668-672, 2008WebofScienceリポジトリ電子ジャーナル
  • Oxygen reduction behavior of rutile-type iridium oxide in sulfuric acid solution
    Yoshinaga, N; Sugimoto, W; Takasu, Y
    Electrochimica Acta, 54(2), 566-573, 2008WebofScienceリポジトリ電子ジャーナル
  • High visible-light photocatalytic activity of nitrogen-doped titania prepared from layered titania/isostearate nanocomposite
    T. Matsumoto,N. Iyi, Y. Kaneko, K. Kitamura, S. Ishihara, Y.Takasu, Y. Murakami
    CATALYSIS TODAY, 120(2), 226-232, 2007
  • Development of Materials and Evaluation Methods for PEFCs
    Y. Takasu, W. Sugimoto, M. Yoshitake
    Electrochemistry, 75(2), 105-114, 2007
  • Evaluation of the Redox Behavior of Hydrous Ruthenium Oxides: Effect of Temperature and Acid Concentration on the electrochemical Behavior of Layered Ruthenium Oxide
    W. Sugimoto, T. Ohta, K. Yokoshima, Y. Takasu
    Electrochemistry, 75(8), 645-648, 2007
  • Charge storage mechanism of nanostructured anhydrous and hydrous ruthenium-based oxides
    Sugimoto, W; Yokoshima, K; Murakami, Y; Takasu, Y
    Electrochimica Acta, 52(4), 1742-1748, Dec. 2006, RefereedWebofScience電子ジャーナル
  • Effect of the crystal plane on the catalytic etching behavior of diamond crystallites by cobalt nanoparticles
    Konishi, S; Ohashi, T; Sugimoto, W; Takasu, Y
    Chemistry Letters, 35(11), 1216-1217, Nov. 2006, RefereedWebofScience電子ジャーナル
  • Electrochemical supercapacitor behavior of nanoparticulate rutile-type Ru1-xVxO2
    Yokoshima, K; Shibutani, T; Hirota, M; Sugimoto, W; Murakami, Y; Takasu, Y
    Journal of Power Sources, 160(2), 1480-1486, Oct. 2006, RefereedWebofScienceリポジトリ電子ジャーナル
  • Performance of ternary PtRuRh/C electrocatalyst with varying Pt : Ru :Rh ratio for methanol electro-oxidation
    Kawaguchi, T; Rachi, Y; Sugimoto, W; Murakami, Y; Takasu, Y
    Journal of Applied Electrochemistry, 36(10), 1117-1125, Oct. 2006, RefereedWebofScienceリポジトリ電子ジャーナル
  • Co-catalytic effect of nanostructured ruthenium oxide towards electro-oxidation of methanol and carbon monoxide
    Sugimoto, W; Saida, T; Takasu, Y
    Electrochemistry Communications, 8(3), 411-415, Mar. 2006, RefereedWebofScienceリポジトリ電子ジャーナル
  • Catalytic creation of channels in the surface layers of highly oriented pyrolytic graphite by cobalt nanoparticles
    S.Konishi, W.Sugimoto, Y.Murakami, Y.Takasu
    Carbon, 44(11), 2338-2340, 2006
  • Catalytic Formation of Nanochannels in the Surface Layers of Diamonds by Metal Nanoparticles
    Yoshio Takasu,Shunsuke Konishi, Wataru Sugimoto,Yasushi Murakami
    Electrochem.Solid-State Lett., 9(7), C114, 2006
  • Fabrication of thin-film, flexible, and transparent electrodes composed of ruthenic acid nanosheets by electrophoretic deposition and application to electrochemical capacitors
    Sugimoto, W; Yokoshima, K; Ohuchi, K; Murakami, Y; Takasu, Y
    Journal of The Electrochemical Society, 153(2), A255-A260, 2006, RefereedWebofScienceリポジトリ電子ジャーナル
  • Investigation on the redox behavior of rutile-type Ti1-xVxO2
    Yokoshima, K; Sugimoto, W; Murakami, Y; Takasu, Y
    Electrochemistry, 73(12), 1026-1029, Dec. 2005, RefereedWebofScience
  • Catalytic linear grooving of graphite surface layers by Pt, Ru, and PtRu nanoparticles
    Takasu, Y; Konishi, S; Miyoshi, R; Nukii, K; Matsuse, T; Sugimoto, W; Murakami, Y
    Chemistry Letters, 34(7), 1008-1009, Jul. 2005, RefereedWebofScience電子ジャーナル
  • Preparation of a transparent and flexible self-standing film of layered titania/isostearate nanocomposite
    Matsumoto, T; Iyi, N; Kaneko, Y; Kitamura, K; Masaki, S; Imai, T; Sugimoto, W; Takasu, Y; Murakami, Y
    Journal of Materials Research, 20(5), 1308-1315, May 2005, RefereedWebofScienceリポジトリ電子ジャーナル
  • Incorporation of ethylenediamine as a bi-layer in the interlayer space of tetratitanic acid by re-stacking exfoliated nanosheets
    Sugimoto, W; Ohuchi, K; Murakami,Y; Takasu, Y
    BULLETIN OF THE CHEMICALSOCIETY OF JAPAN, 78(4), 633-637, Apr. 2005, RefereedWebofScience電子ジャーナル
  • Proton and electron conductivity in hydrous ruthenium oxides evaluated by electrochemical impedance spectroscopy:The origin of large capacitance
    Sugimoto, W; Iwata, H; Yokoshima, K; Murakami, Y; Takasu, Y
    JOURNAL OF PHYSICAL CHEMISTRY B, 109(15), 7330-7338, Apr. 2005, RefereedWebofScience電子ジャーナル
  • Kinetics of CH3OH oxidation on PtRu/C studied by impedance and CO stripping voltammetry
    Sugimoto, W; Aoyama, K; Kawaguchi, T; Murakami, Y; Takasu, Y
    Journal of Electroanalytical Chemistry, 576(2), 215-221, Mar. 2005, RefereedWebofScienceリポジトリ電子ジャーナル
  • Particle growth behavior of carbon-supported Pt, Ru, PtRu catalysts preparedby an impregnation reductive-pyrolysis method for direct methanol fuel cell anodes
    Kawaguchi, T; Sugimoto, W; Murakami, Y; Takasu, Y
    JOURNAL OF CATALYSIS, 229(1), 176-184, Jan. 2005, RefereedWebofScienceリポジトリ電子ジャーナル
  • Dependence of the Preparation Temperature of Pt0.7Co0.3/C Catalysts on the Structure of the Alloy Particles and the Carbon Supports
    Y. Takasu, R. Matsuyama, S. Konishi, W. Sugimoto, Y. Murakami
    Electrochem. Solid-State Lett., 8(9), B34-B37, 2005
  • 白金族金属酸化物被覆電極の構造解析この電極系の新たな利利用
    Electrochemistry, 72(3), 190-194, 2004
  • Temperature Dependence of the Oxidation of Carbon Monoxide on the Carbon Supported Pt,Ru,and Ptru
    Electrochem. commun., 6, 480-483, 2004
  • Electrochemical Capacitor Behavior of Layered Ruthenic Acid Hydrate
    J.Electrochem. Soc, 151(8), A1181-A1187, 2004WebofScience
  • Preparation of Nitrogen-doped Anatase Titania by Treatment of Layered Titania/Isostearate Nanocomposite with Aqueous Ammonia
    T. Matsumoto, N. Iyi, Y. Kaneko, K. Kitamura, Y. Takasu, Y. Murakami
    Chem. Lett., 33(11), 1508-1509, 2004WebofScience
  • Evaluation of the pseudocapacitance in RuO2 with a RuO2/GC thin film electrode
    W. Sugimoto, T. Kizaki, K. Yokoshima, Y. Murakami, Y. Takasu,
    Electrochim. Acta, 49(2), 313-320, 2004WebofScience
  • Microporous Silica Particles Prepared by the Salt-Catalytic Sol-Gel Process with Extremely Low Content of Water
    Y. Murakami, K. Tanaka, Y. Takechi, S. Takahashi, Y. Nakano, T. Matsumoto, W. Sugimoto, Y. Takasu
    J. of Sol-Gel Sci. Tech.,, 29(1), 19-24, 2004WebofScience
  • Electrical and Magnetic Properties of Ion-Exchangeable Layered Ruthenates
    W.Sugimoto, M.Omoto, K.Yokoshima, Y.Murakami, Y.Takasu
    J.Solid State Chem., 177(12), 4542-4545, 2004WebofScienceリポジトリ
  • Effects of the Surface Area of Carbon Support on the Characterization of Highly-Dispersed Pt-Ru Particles as Catalysts for Methanol Oxidation
    Y. Takasu, T. Kawaguchi, W. Sugimoto, and Y. Murakami
    Electrochim. Acta, 48(25-26), 3861-3868, 2003
  • Characteristics of Highly Active PtRu/C Anode Catalysts for DMFC"
    Y. Takasu, H. Itaya, T. Kawaguchi, W. Sugimoto, and Y. Murakami
    Studies in SurfaceScience and Catalysis, 145, 279-282, 2003WebofScience
  • Electrocatalytic Oxidation of Methanol and Related Chemical Species on Ultrafine Pt and PtRu Particles Supported on Carbo
    Y. Takasu, W. Sugimoto, and Y. Murakami
    Catalysis Surveys from Asia, 7(1), 21-29, 2003WebofScience
  • Preparation of Ruthenic Acid Nanosheets and Utilization of Its Interlayer Surface for Electrochemical Energy Storage
    W. Sugimoto, H. Iwata, Y. Yasunaga, Y. Murakami, and Y. Takasu
    Angew. Chem. Int. Ed., 42(34), 4092-4096, 2003WebofScience
  • Microporous Structure of Alumina Prepared by a Salt Catalytic Sol-Gel Process
    K. Tanaka, T. Imai, Y. Murakami, T. Matsumoto, W. Sugimoto, Y. Takasu
    Chem. Lett., 2002(1), 110-111, 2002
  • Charge Storage Capabilities of Rutile-Type RuO2-VO2 Solid Solution for Electrochemical Supercapacitors
    W. Sugimoto, T. Shibutani, Y. Murakami, and Y. Takasu
    Electrochem. Solid-State Lett., 5(7), A170-A172, 2002
  • Electrophoretic deposition of negatively charged tetratitanate nanosheets and transformation into preferentially oriented TiO2(B) Film
    W. Sugimoto, O. Terabayashi, Y. Murakami, Y. Takasu
    J. Mater. Chem., 12, 3814-3818, 2002
  • The Effect of the Nano and Microstructure of PtRu/C Electrocatalysts Towards Methanol and Carbon Monoxide Oxidation
    W. Sugimoto, T. Kawaguchi, Y. Murakami, and Y. Takasu
    Solid-State Ionics--2002, 756, FF6.4.1-FF6.4.6, 2002
  • Effects of the addition of Calcium on the Pseudocapacitance of Ruthenium Oxide Electrodes
    Electrochemistry, 69(6), 493-494, 2001
  • Microporous Structure of Titanium Oxide Prepared by a Salt Catalytic Sol-Gel Process
    Chem.Lett., 2001(12), 1280-1281, 2001
  • Molybdenum Oxide/Activated Carbon Composite Electrodes as Electrochemical Supercapacitors
    Advanced Batteries and Super Capacitors (ECS Proc.), 2001(21), 641-647, 2001
  • Molybdenum Oxide/Carbon Composite Electrodes as Electrochemical Supercapacitors
    Electrochem. Solid-State Lett., 4(9), A145-A147, 2001
  • Size Effects of Ultrafine Pt-Ru Particles on the Electrocatalytic Oxidation of Methanol
    Chem.Commun., 2001, 341-342, 2001
  • Effect of the Structure of Carbon-Supported PtRu Electrocatalysts on the Electrochemical Oxidation of Methanol
    J.Electrochem.Soc.,, 147(12), 4421-4427, 2000WebofScience
  • Photochromism of titanium oxide gels prepared by the salt-catalytic sol-gel process
    Chem.Lett, (4), 348-349, 2000WebofScience
  • Size Control of Titanium Oxide Sheets by Regulating Catalysis in a Catalytic Sol-Gel Process and Their UV Absorption Properties
    T. Matsumoto,Y.Murakami, Y.Takasu
    J. Phys. Chem.B, 104(9), 1916-1920, 2000WebofScience
  • Size Effects of Platinum Particles on the Electro-oxidation of Methanol in an Aqueous Solution of HClO4
    Y. Takasu,T.Iwazaki,W.Sugimoto,Y.Murakami
    Electrochemistry Communications, 2(9), 671-674, 2000WebofScience
  • Design of Oxide Electrodes with Large Surface Area
    Y. Takasu and Y. Murakami
    Electrochim. Acta, 45(25-26), 4135-4141, 2000WebofScience
  • Design of Catalysts for Low-Temperature Synthesis of Highly Polymerized Titanium Oxides
    Trans.Mater.Res.Soc.Jpn, 24, 425-427, 1999
  • Preparation of a UV-absorbed transparent monolithic titanium oxide gel by the catalytic sol-gel process with a phenanthroline hydrochloride catalyst
    Chem.Lett, (2), 177-178, 1999WebofScience
  • Pseudocapacitance of Molybdenum Oxide Particles Highly Dispersed on Glassy Carbon Surface
    Electrochemistry, 67(12), 1187-1188, 1999WebofScience
  • Salt Catalysts Containing Basic Anions and Acidic Cations for the Sol-Gel Process of Titanium Alkoxide: Controlling the Kinetics and Dimensionality of the Resultant Titanium Oxide
    J.Phs.Chem.B, 103(11), 1836-1840, 1999WebofScience
  • Ti-V-W-O/Ti Oxide Electrodes as Candidates for Electrochemical Capacitors
    Electrochem.Solid-State Lett., 2(1), 1-2, 1999WebofScience
  • Surface Characterization of RuO2-SSn02 Coated Titanium Electrodes
    M. Ito;Y. Murakami;H. Kaji;K. Yahikozawa;Y. Takasu
    J. Electrochem. Soc., 143(1), 32-36, 1996WebofScience
  • Size effects of platinum particles on the electroreduction of oxygen
    Y. Takasu;N. Ohashi;X. -G. Zhang;Y. Murakami;K. Yahikozawa
    Electrochimica Acta, 41(16), 2595-2600, 1996WebofScience
  • Effects of rare earth chlorides on the preparation of porous ruthenium oxide electrodes
    Y. Murakami;T. Kondo;Y. Shimoda;H. Kaji;K. Yahikozawa;Y. Takasu
    J. Alloys and Compounds, 239(2), 111-113, 1996WebofScience


  • 金属酸化物電極を用いるスーパーキャパシタ
    化学総説, 49, 226-229, 2001

Books and other publications

  • 燃料電池材料
    日本セラミックス協会編, 109-115 2007
  • 燃料電池の解析手法,第1部2章「燃料電池開発の現状と課題」
    高須芳雄, Single work
    化学同人, 9-14頁 2005
  • 固体高分子形燃料電池のすべて(電子とイオンの機能化学シリーズVol.4)第3章2節固体高分子形燃料電池の構成材料;電極:電極材料」
    高須芳雄, Single work
    エヌ・ティー・エス, 66-95頁 2003
  • 大容量電気二重層キャパシタの最前線(電子とイオンの機能化学シリーズVol.2)第3章2節「レドックスキャパシタ 金属酸化物電極を用いる系」
    高須芳雄, Single work
    エヌ・ティー・エス, 162-198頁 2002
  • 電極触媒科学の新展開 6
    杉本渉、村上泰、高須芳雄, Joint work, 貴金属酸化物電極の新展開
    北大図書刊行会, 143-159頁 2001

Affiliated academic society

  • The Electrochemical Society
  • The International Society of Electrochemistry
  • Surface Science Society of Japan (SSSJ)
  • Chemical Society of Japan (CSJ)
  • Electrochemical Society of Japan (ECSJ)
  • Catalysis Society of Japan (CATSJ)

Research Themes

  • Electrocatalysis of Nano Metal Particles
  • Electrocatalysis of Metal Oxides
  • Functionalization of Various Kinds of Carbon Materilas by Catalytic Etching