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Yoshihisa Tajima

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  • Fuji-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Polyacetal (co)polymers
    • Patent number 7,030,207
    • Issue date Apr 18, 2006
    • Polyplastics Co., Ltd.
    • Yoshihisa Tajima
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Branched polyacetal resin composition
    • Patent number 6,753,368
    • Issue date Jun 22, 2004
    • Polyplastics Co., Ltd.
    • Hidetoshi Okawa
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Branched polyacetal resin composition
    • Patent number 6,737,475
    • Issue date May 18, 2004
    • Polyplastics Co., Ltd.
    • Yoshihisa Tajima
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polyacetal resin composition
    • Patent number 6,642,321
    • Issue date Nov 4, 2003
    • Polyplastics Co., Ltd.
    • Hidetoshi Okawa
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Branched polyacetal resin composition
    • Patent number 6,583,203
    • Issue date Jun 24, 2003
    • Polyplastics Co., Ltd.
    • Kuniaki Kawaguchi
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polyacetal copolymer and method for producing the same
    • Patent number 6,426,393
    • Issue date Jul 30, 2002
    • Polyplastics Co., Ltd.
    • Yoshihisa Tajima
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Copolyacetal
    • Patent number 6,255,440
    • Issue date Jul 3, 2001
    • Polyplastics Co., Ltd.
    • Hidetoshi Okawa
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polyacetal resin composition
    • Patent number 5,854,324
    • Issue date Dec 29, 1998
    • Polyplastics Co., Ltd.
    • Yoshihisa Tajima
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Lightweight thermoplastic polyester molding compositions, methods o...
    • Patent number 5,349,007
    • Issue date Sep 20, 1994
    • Polyplastics Co., Ltd.
    • Hajime Serizawa
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polyolefin resin compositions, methods of making such compositions,...
    • Patent number 5,314,946
    • Issue date May 24, 1994
    • Polyplastics Co., Ltd.
    • Yoshihisa Tajima
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Moldable polyester resin compositions and molded articles formed of...
    • Patent number 5,300,572
    • Issue date Apr 5, 1994
    • Polyplastics Co., Ltd.
    • Yoshihisa Tajima
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polyacetal resin composition
    • Patent number 5,278,235
    • Issue date Jan 11, 1994
    • Polyplastics Co., Ltd.
    • Yoshihisa Tajima
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Filled thermoplastic resin compositions having an interpenetrating...
    • Patent number 5,225,471
    • Issue date Jul 6, 1993
    • Polyplastics, Co., Ltd.
    • Yoshihisa Tajima
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Filled polyacetal resin compositions and processes for making the same
    • Patent number 5,191,011
    • Issue date Mar 2, 1993
    • Polyplastics Co., Ltd.
    • Yoshihisa Tajima
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polybutylene terephthalate composition
    • Patent number 4,742,109
    • Issue date May 3, 1988
    • Polyplastics Co., Ltd.
    • Katuhiko Takahashi
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polybutylene terephthalate resin composition
    • Patent number 4,713,408
    • Issue date Dec 15, 1987
    • Polyplastics Co., Ltd.
    • Katsuhiko Takahashi
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

  • Information Patent Application

    Polyacetal resin composition
    • Publication number 20050182200
    • Publication date Aug 18, 2005
    • Polyplastics Co., Ltd.
    • Kuniaki Kawaguchi
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    Novel polyacetal (co)polymers
    • Publication number 20040138407
    • Publication date Jul 15, 2004
    • Yoshihisa Tajima
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    Branched polyacetal resin composition
    • Publication number 20020193469
    • Publication date Dec 19, 2002
    • Kuniaki Kawaguchi
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    Branched polyacetal resin composition
    • Publication number 20020193480
    • Publication date Dec 19, 2002
    • Hidetoshi Okawa
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...