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Toru Doi

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Patents Grantslast 30 patents

  • Information Patent Grant

    Fluororesin, fluororesin particles, and methods for producing these
    • Patent number 11,807,702
    • Issue date Nov 7, 2023
    • Tosoh Corporation
    • Shohei Yumino
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Optical compensation layer, optical compensation film, and processe...
    • Patent number 9,268,076
    • Issue date Feb 23, 2016
    • Tosoh Corporation
    • Toru Doi
    • B32 - LAYERED PRODUCTS
  • Information Patent Grant

    Optical compensation film and retardation film
    • Patent number 8,545,970
    • Issue date Oct 1, 2013
    • Tosoh Corporation
    • Toru Doi
    • B32 - LAYERED PRODUCTS
  • Information Patent Grant

    Fumaric diester copolymer
    • Patent number 7,759,451
    • Issue date Jul 20, 2010
    • Tosoh Corporation
    • Kenichi Makita
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Plastic substrate for display and display element
    • Patent number 7,160,587
    • Issue date Jan 9, 2007
    • Tosoh Corporation
    • Toru Doi
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Process for producing thermoplastic resin composition
    • Patent number 6,506,840
    • Issue date Jan 14, 2003
    • Tosoh Corporation
    • Takeshi Harunari
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Resin composition
    • Patent number 6,111,018
    • Issue date Aug 29, 2000
    • Tosoh Corporation
    • Toru Doi
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Laminate
    • Patent number 5,736,241
    • Issue date Apr 7, 1998
    • Tosoh Corporation
    • Hiroshi Inoue
    • B32 - LAYERED PRODUCTS
  • Information Patent Grant

    Composite material and process for production thereof
    • Patent number 5,684,122
    • Issue date Nov 4, 1997
    • Tosoh Corporation
    • Hiroshi Inoue
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Resin composition
    • Patent number 5,580,928
    • Issue date Dec 3, 1996
    • Tosoh Corporation
    • Toru Doi
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Copolymer production process
    • Patent number 5,548,031
    • Issue date Aug 20, 1996
    • Tosoh Corporation
    • Toru Doi
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Resin composition
    • Patent number 5,541,259
    • Issue date Jul 30, 1996
    • Tosoh Corporation
    • Toru Doi
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Optical material
    • Patent number 5,536,798
    • Issue date Jul 16, 1996
    • Tosoh Corporation
    • Toru Doi
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Resin composition
    • Patent number 5,512,634
    • Issue date Apr 30, 1996
    • Tosoh Corporation
    • Toru Doi
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Resin composition
    • Patent number 5,424,380
    • Issue date Jun 13, 1995
    • Tosoh Corporation
    • Toru Doi
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Method of producing copolymer
    • Patent number 5,306,794
    • Issue date Apr 26, 1994
    • Tosoh Corporation
    • Toru Doi
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Heat-resistant foamed plastic
    • Patent number 5,238,972
    • Issue date Aug 24, 1993
    • Tosoh Corporation
    • Toru Doi
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Optical material
    • Patent number 5,208,307
    • Issue date May 4, 1993
    • Tosoh Corporation
    • Toru Doi
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Separation membrane
    • Patent number 5,104,428
    • Issue date Apr 14, 1992
    • Tosoh Corporation
    • Toru Doi
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents