TREA

Katsuhiko Arai

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Patents Grantslast 30 patents

  • Information Patent Grant

    Lithium cells
    • Patent number 5,057,387
    • Issue date Oct 15, 1991
    • Bridgestone Corporation
    • Yoshitomo Masuda
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Lithium cells
    • Patent number 4,960,657
    • Issue date Oct 2, 1990
    • Bridgestone Corporation
    • Yoshitomo Masuda
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Electric cells
    • Patent number 4,939,050
    • Issue date Jul 3, 1990
    • Bridgestone Corporation
    • Shinichi Toyosawa
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Non-aqueous secondary cell
    • Patent number 4,906,538
    • Issue date Mar 6, 1990
    • Bridgestone Corporation
    • Shinichi Toyosawa
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polyaniline
    • Patent number 4,904,553
    • Issue date Feb 27, 1990
    • Bridgestone Corporation
    • Tadashi Nakajima
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Process for producing a sintered cubic silicon carbide
    • Patent number 4,742,029
    • Issue date May 3, 1988
    • Bridgestone Corporation
    • Yasuo Kurachi
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Method of producing silicon carbide
    • Patent number 4,702,900
    • Issue date Oct 27, 1987
    • Bridgestone Corporation
    • Yasuo Kurachi
    • B82 - NANO-TECHNOLOGY