TREA

Noriko Yamakawa

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Liquid crystal compound
    • Patent number 5,891,359
    • Issue date Apr 6, 1999
    • Showa Shell Sekiyu Kabushiki Kaisha
    • Yoshihiko Aihara
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Liquid crystal compounds
    • Patent number 5,837,163
    • Issue date Nov 17, 1998
    • Showa Shell Sekiyu K.K.
    • Koichi Numazawa
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Liquid crystal compounds
    • Patent number 5,433,887
    • Issue date Jul 18, 1995
    • Showa Shell Sekiyu Kabushiki Kaisha
    • Tadaaki Isozaki
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Liquid crystal compound
    • Patent number 5,330,678
    • Issue date Jul 19, 1994
    • Showa Shell Sekiyu Kabushiki Kaisha
    • Nobuhiro Okabe
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Liquid crystal compounds
    • Patent number 5,310,500
    • Issue date May 10, 1994
    • Showa Shell Sekiyu Kabushiki Kaisha
    • Yoshihiko Aihara
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Liquid crystal compound
    • Patent number 5,207,947
    • Issue date May 4, 1993
    • Showa Shell Sekiyu Kabushiki Kaisha
    • Yoshiichi Suzuki
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Liquid crystal compounds
    • Patent number 5,207,946
    • Issue date May 4, 1993
    • Showa Shell Sekiyu K.K.
    • Koichi Numazawa
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Liquid crystal compound
    • Patent number 5,202,054
    • Issue date Apr 13, 1993
    • Showa Shell Sekiyu K.K.
    • Yoshiichi Suzuki
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Liquid crystal compound
    • Patent number 5,130,050
    • Issue date Jul 14, 1992
    • Showa Shell Sekiyo Kabushiki Kaisha
    • Takashi Hagiwara
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Liquid crystal compound
    • Patent number 5,116,531
    • Issue date May 26, 1992
    • Showa Shell Sekiyu K.K.
    • Takashi Hagiwara
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Component for liquid crystal composition and liquid crystal composi...
    • Patent number 5,110,497
    • Issue date May 5, 1992
    • Showa Shell Sekiyu K.K.
    • Yoshiichi Suzuki
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Liquid crystal compound
    • Patent number 5,110,496
    • Issue date May 5, 1992
    • Showa Shell Sekiyu Kabushiki Kaisha
    • Hiroyuki Mogamiya
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Liquid crystal compound
    • Patent number 5,110,498
    • Issue date May 5, 1992
    • Showa Shell Sekiyu K.K.
    • Yoshiichi Suzuki
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Optically active fluorine-containing alcohol compounds and liquid c...
    • Patent number 5,096,613
    • Issue date Mar 17, 1992
    • Showa Shell Sekiyu Kabushiki Kaisha
    • Yoshiichi Suzuki
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Ferroelectric liquid crystal electro-optic apparatus and manufactur...
    • Patent number 5,046,823
    • Issue date Sep 10, 1991
    • Nippondenso Co., Ltd.
    • Kahoru Mori
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS