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Seibu Polymer Kasei Kabushiki Kaisha

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Patents Grantslast 30 patents

  • Information Patent Grant

    Flexible joint for a culvert
    • Patent number 5,879,032
    • Issue date Mar 9, 1999
    • Seibu Polymer Kasei Kabushiki Kaisha
    • Yoshinori Asanuma
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Flexible joint for a culvert
    • Patent number 5,794,987
    • Issue date Aug 18, 1998
    • Seibu Polymer Kasei Kabushiki Kaisha
    • Yoshinori Asanuma
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Flexible joint for a culvert
    • Patent number 5,704,657
    • Issue date Jan 6, 1998
    • Seibu Polymer Kasei Kabushiki Kaisha
    • Yoshinori Asanuma
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    High-durability pavement marking sheet material
    • Patent number 4,921,754
    • Issue date May 1, 1990
    • Seibu Polymer Kasei Kabushiki Kaisha
    • Yuji Ishihara
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Pavement-marking tape applicator
    • Patent number 4,824,516
    • Issue date Apr 25, 1989
    • Seibu Polymer Kasei Kabushiki Kaishas
    • Yuji Ishihara
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    High-brightness pavement marking sheet material
    • Patent number 4,751,140
    • Issue date Jun 14, 1988
    • Seibu Polymer Kasei Kabushiki Kaisha
    • Yuji Ishihara
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Rock crushing device
    • Patent number 4,711,501
    • Issue date Dec 8, 1987
    • Okumura Machinery Corporation
    • Akiya Maeda
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Cellular reflex-reflecting sheeting
    • Patent number 4,653,854
    • Issue date Mar 31, 1987
    • Seibu Polymer Kasei Kabushiki Kaisha
    • Nobuhiro Miyata
    • G02 - OPTICS
  • Information Patent Grant

    Culvert joint
    • Patent number 4,221,502
    • Issue date Sep 9, 1980
    • Seibu Polymer Kasei Kabushiki Kaisha
    • Takayoshi Tanikawa
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    High refractive index glass composition
    • Patent number 4,141,742
    • Issue date Feb 27, 1979
    • Fukuoka Tokushugarasu Kabushiki Kaisha
    • Nobuyuki Nakajima
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Grant

    Joint for culvert sections and the like
    • Patent number 4,027,902
    • Issue date Jun 7, 1977
    • Seibu Polymer Kasei Kabushiki Kaisha
    • Takayoshi Tanikawa
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Reflex light reflecting sheet
    • Patent number 4,025,674
    • Issue date May 24, 1977
    • Seibu Polymer Kasei Kabushiki Kaisha
    • Hisayuki Mizuochi
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Reflex light reflector
    • Patent number 3,994,086
    • Issue date Nov 30, 1976
    • Seibu Polymer Kasei Kabushiki Kaisha
    • Hisayuki Mizuochi
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

  • Information Trademark

    73027198 - SPC
    • Serial number 73027198
    • Registration number 1043527
    • Filing date Jul 18, 1974
    • SEIBU POLYMER KASEI KABUSHIKI KAISHA
    • 17 - Rubber, gutta-percha, gum, asbestos, mica and goods made from these materials and not included in other classes
  • Information Trademark

    73024291 - SEIBULITE
    • Serial number 73024291
    • Registration number 1034828
    • Filing date Jun 12, 1974
    • SEIBU POLYMER KASEI KABUSHIKI KAISHA
    • 17 - Rubber, gutta-percha, gum, asbestos, mica and goods made from these materials and not included in other classes