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Hirofumi TOKUNAGA

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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    ALKALI-FREE GLASS AND GLASS SHEET
    • Publication number 20240417310
    • Publication date Dec 19, 2024
    • AGC Inc.
    • Yuya HAMADA
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Application

    GLASS SUBSTRATE, BLACK MATRIX SUBSTRATE, AND DISPLAY PANEL
    • Publication number 20240383803
    • Publication date Nov 21, 2024
    • AGC Inc.
    • Hirofumi TOKUNAGA
    • G02 - OPTICS
  • Information Patent Application

    ALKALI-FREE GLASS
    • Publication number 20240300846
    • Publication date Sep 12, 2024
    • AGC Inc.
    • Hirofumi TOKUNAGA
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Application

    ALKALI-FREE GLASS
    • Publication number 20240199469
    • Publication date Jun 20, 2024
    • AGC Inc.
    • Yuya HAMADA
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Application

    ALKALI-FREE GLASS
    • Publication number 20240140855
    • Publication date May 2, 2024
    • AGC Inc.
    • Hirofumi TOKUNAGA
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Application

    SUBSTRATE FOR LED ELEMENT AND IMAGE DISPLAY DEVICE
    • Publication number 20230223493
    • Publication date Jul 13, 2023
    • AGC Inc.
    • Hirofumi TOKUNAGA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    ALKALI-FREE GLASS
    • Publication number 20220340477
    • Publication date Oct 27, 2022
    • AGC Inc.
    • Hirofumi TOKUNAGA
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Application

    ALKALI-FREE GLASS
    • Publication number 20210387897
    • Publication date Dec 16, 2021
    • AGC Inc.
    • Hirofumi TOKUNAGA
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Application

    ALKALI-FREE GLASS
    • Publication number 20210380466
    • Publication date Dec 9, 2021
    • AGC Inc.
    • Hirofumi TOKUNAGA
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Application

    ALKALI-FREE GLASS
    • Publication number 20210363051
    • Publication date Nov 25, 2021
    • AGC Inc.
    • Hirofumi TOKUNAGA
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Application

    GLASS SUBSTRATE, BLACK MATRIX SUBSTRATE, AND DISPLAY PANEL
    • Publication number 20210147290
    • Publication date May 20, 2021
    • AGC Inc.
    • Hirofumi TOKUNAGA
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Application

    ALKALI-FREE GLASS
    • Publication number 20210024403
    • Publication date Jan 28, 2021
    • AGC Inc.
    • Hirofumi TOKUNAGA
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Application

    GLASS
    • Publication number 20200407264
    • Publication date Dec 31, 2020
    • AGC Inc.
    • Hirofumi TOKUNAGA
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Application

    ALKALI-FREE GLASS
    • Publication number 20200407265
    • Publication date Dec 31, 2020
    • AGC Inc.
    • Hirofumi TOKUNAGA
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Application

    ALKALI-FREE GLASS AND METHOD FOR PRODUCING THE SAME
    • Publication number 20190248697
    • Publication date Aug 15, 2019
    • AGC Inc.
    • Hirofumi TOKUNAGA
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Application

    ALKALI-FREE GLASS
    • Publication number 20190185368
    • Publication date Jun 20, 2019
    • AGC Inc.
    • Hirofumi TOKUNAGA
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Application

    ALKALI-FREE GLASS
    • Publication number 20190047899
    • Publication date Feb 14, 2019
    • AGC Inc.
    • Hirofumi TOKUNAGA
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Application

    ALKALI-FREE GLASS SUBSTRATE AND METHOD FOR MANUFACTURING ALKALI-FRE...
    • Publication number 20170267572
    • Publication date Sep 21, 2017
    • ASAHI GLASS COMPANY, LIMITED
    • Tetsushi TAKIGUCHI
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Application

    ALKALI-FREE GLASS SUBSTRATE AND METHOD FOR PRODUCING SAME
    • Publication number 20170260085
    • Publication date Sep 14, 2017
    • ASAHI GLASS COMPANY, LIMITED
    • Hirofumi TOKUNAGA
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Application

    NON-ALKALI GLASS
    • Publication number 20170217826
    • Publication date Aug 3, 2017
    • Asahi Glass Company, Limited
    • Kazutaka ONO
    • G02 - OPTICS
  • Information Patent Application

    ALKALI-FREE FLOAT SHEET GLASS, AND METHOD FOR PRODUCING ALKALI-FREE...
    • Publication number 20170066682
    • Publication date Mar 9, 2017
    • Asahi Glass Company, Limited
    • Shiro TANII
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Application

    NON-ALKALI GLASS AND METHOD FOR PRODUCING SAME
    • Publication number 20160068427
    • Publication date Mar 10, 2016
    • Asahi Glass Company, Limited
    • Hirofumi TOKUNAGA
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Application

    NON-ALKALI GLASS SUBSTRATE
    • Publication number 20150299028
    • Publication date Oct 22, 2015
    • Asahi Glass Company, Limited
    • Manabu NISHIZAWA
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Application

    ALKALI-FREE GLASS AND ALKALI-FREE GLASS PLATE USING SAME
    • Publication number 20150093561
    • Publication date Apr 2, 2015
    • Asahi Glass Company, Limited
    • Hirofumi Tokunaga
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Application

    ALKALI-FREE GLASS AND METHOD FOR PRODUCING SAME
    • Publication number 20150087494
    • Publication date Mar 26, 2015
    • Asahi Glass Company, Limited
    • Hirofumi TOKUNAGA
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Application

    ALKALI-FREE GLASS AND METHOD FOR PRODUCING SAME
    • Publication number 20150087495
    • Publication date Mar 26, 2015
    • Asahi Glass Company, Limited
    • Manabu NISHIZAWA
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Application

    ALKALI-FREE GLASS SUBSTRATE AND METHOD FOR REDUCING THICKNESS OF AL...
    • Publication number 20150072130
    • Publication date Mar 12, 2015
    • Asahi Glass Company, Limited
    • Hirofumi TOKUNAGA
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Application

    NON-ALKALI GLASS AND METHOD FOR PRODUCING SAME
    • Publication number 20150045203
    • Publication date Feb 12, 2015
    • Asahi Glass Company, Limited
    • Hirofumi TOKUNAGA
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Application

    NON-ALKALI GLASS AND METHOD FOR PRODUCING SAME
    • Publication number 20150045201
    • Publication date Feb 12, 2015
    • Asahi Glass Company, Limited
    • Hirofumi TOKUNAGA
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Application

    PRODUCTION METHOD FOR NON-ALKALI GLASS
    • Publication number 20140366581
    • Publication date Dec 18, 2014
    • Asahi Glass Company, Limited
    • Hirofumi TOKUNAGA
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES