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Koh SAKAI

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Patents Grantslast 30 patents

  • Information Patent Grant

    Sheet
    • Patent number 11,447,612
    • Issue date Sep 20, 2022
    • Oji Holdings Corporation
    • Koh Sakai
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Sheet
    • Patent number 11,346,053
    • Issue date May 31, 2022
    • OJI HOLDINGS CORPORATON
    • Koh Sakai
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Resin composite and method for producing resin composite
    • Patent number 11,034,806
    • Issue date Jun 15, 2021
    • Oji Holdings Corporation
    • Yoshiyuki Tsutsumi
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Resin composite and method for producing resin composite
    • Patent number 10,968,324
    • Issue date Apr 6, 2021
    • Oji Holdings Corporation
    • Yoshiyuki Tsutsumi
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Sheet, method for producing sheet, and laminate
    • Patent number 10,899,899
    • Issue date Jan 26, 2021
    • Oji Holdings Corporation
    • Go Banzashi
    • B32 - LAYERED PRODUCTS
  • Information Patent Grant

    Sheets and method for producing sheets
    • Patent number 10,808,361
    • Issue date Oct 20, 2020
    • Oji Holdings Corporation
    • Hirokazu Sunagawa
    • B32 - LAYERED PRODUCTS

Patents Applicationslast 30 patents

  • Information Patent Application

    SHEET
    • Publication number 20210301095
    • Publication date Sep 30, 2021
    • OJI HOLDINGS CORPORATION
    • Koh SAKAI
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    SHEET
    • Publication number 20210275407
    • Publication date Sep 9, 2021
    • OJI HOLDINGS CORPORATION
    • Emi AIZAWA
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    CELLULOSE FIBER-CONTAINING COMPOSITION AND SHEET
    • Publication number 20210222366
    • Publication date Jul 22, 2021
    • OJI HOLDINGS CORPORATION
    • Rina TANAKA
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Application

    SHEET
    • Publication number 20210009771
    • Publication date Jan 14, 2021
    • OJI HOLDINGS CORPORATION
    • Koh SAKAI
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    SHEET
    • Publication number 20190359795
    • Publication date Nov 28, 2019
    • OJI HOLDINGS CORPORATION
    • Koh SAKAI
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    SHEET
    • Publication number 20190055697
    • Publication date Feb 21, 2019
    • OJI HOLDINGS CORPORATION
    • Koh SAKAI
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Application

    RESIN COMPOSITE AND METHOD FOR PRODUCING RESIN COMPOSITE
    • Publication number 20190040213
    • Publication date Feb 7, 2019
    • OJI HOLDINGS CORPORATION
    • Yoshiyuki TSUTSUMI
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    SHEETS AND METHOD FOR PRODUCING SHEETS
    • Publication number 20180371696
    • Publication date Dec 27, 2018
    • OJI HOLDINGS CORPORATION
    • Hirokazu SUNAGAWA
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Application

    SHEET, METHOD FOR PRODUCING SHEET, AND LAMINATE
    • Publication number 20180230279
    • Publication date Aug 16, 2018
    • OJI HOLDINGS CORPORATION
    • Go BANZASHI
    • B32 - LAYERED PRODUCTS