Kenji Hirai

Person

  • Tokyo, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Thermosensitive recording medium

    • Patent number 12,053,997
    • Issue date Aug 6, 2024
    • Nippon Paper Industries Co., Ltd.
    • Kenji Hirai
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Thermosensitive recording medium

    • Patent number 11,945,249
    • Issue date Apr 2, 2024
    • Nippon Paper Industries Co., Ltd.
    • Kentaro Kawasaki
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Thermosensitive recording medium

    • Patent number 11,912,052
    • Issue date Feb 27, 2024
    • Nippon Paper Industries Co., Ltd.
    • Kentaro Kawasaki
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Base paper for paper tube, and paper tube

    • Patent number 11,613,850
    • Issue date Mar 28, 2023
    • Nippon Paper Industries Co., Ltd.
    • Junji Yamamoto
    • B32 - LAYERED PRODUCTS
  • Information Patent Grant

    Thermosensitive recording medium

    • Patent number 10,464,362
    • Issue date Nov 5, 2019
    • Nippon Paper Industries Co., Ltd.
    • Yasuaki Matsumori
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Thermosensitive recording medium

    • Patent number 10,000,083
    • Issue date Jun 19, 2018
    • Nippon Paper Industries Co., Ltd.
    • Akihito Ogino
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Thermosensitive recording medium

    • Patent number 8,609,582
    • Issue date Dec 17, 2013
    • Nippon Paper Industries Co., Ltd.
    • Kenji Hirai
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Thermosensitive recording medium

    • Patent number 8,466,085
    • Issue date Jun 18, 2013
    • Nippon Paper Industries Co., Ltd.
    • Aya Kato
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Thermosensitive recording medium

    • Patent number 8,283,284
    • Issue date Oct 9, 2012
    • Nippon Paper Industries Co., Ltd.
    • Kenji Hirai
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Thermosensitive recording medium

    • Patent number 8,247,347
    • Issue date Aug 21, 2012
    • Nippon Paper Industries Co., Ltd.
    • Ken Takagi
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Thermally sensitive recording medium

    • Patent number 7,476,642
    • Issue date Jan 13, 2009
    • Nippon Paper Industries Co., Ltd.
    • Mizuho Shimoyama
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Thermally sensitive recording medium

    • Patent number 7,465,694
    • Issue date Dec 16, 2008
    • Nippon Paper Industries Co., Ltd.
    • Takashi Date
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Thermally sensitive recording medium

    • Patent number 7,387,984
    • Issue date Jun 17, 2008
    • Nippon Paper Industries Co., Ltd.
    • Seiki Yoneshige
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Thermally sensitive recording medium

    • Patent number 7,312,176
    • Issue date Dec 25, 2007
    • Nippon Paper Industries Co., Ltd.
    • Kaoru Hamada
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Patents Applicationslast 30 patents

  • Information Patent Application

    THERMOSENSITIVE RECORDING MATERIAL

    • Publication number 20240316975
    • Publication date Sep 26, 2024
    • Nicca Chemical Co., Ltd.
    • Hajime SAITO
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    THERMOSENSITIVE RECORDING MEDIUM

    • Publication number 20240308260
    • Publication date Sep 19, 2024
    • Nippon Paper Industries Co., Ltd.
    • Kenji HIRAI
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    THERMOSENSITIVE RECORDING MEDIUM

    • Publication number 20240190156
    • Publication date Jun 13, 2024
    • Nippon Paper Industries Co., Ltd.
    • Kenji HIRAI
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Application

    THERMOSENSITIVE RECORDING MEDIUM

    • Publication number 20230144275
    • Publication date May 11, 2023
    • Nippon Paper Industries Co., Ltd.
    • Kenji Hirai
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Application

    THERMOSENSITIVE RECORDING MEDIUM

    • Publication number 20230027721
    • Publication date Jan 26, 2023
    • Nippon Paper Industries Co., Ltd.
    • Kenji Hirai
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Application

    THERMOSENSITIVE RECORDING MEDIUM

    • Publication number 20220410610
    • Publication date Dec 29, 2022
    • Nippon Paper Industries Co., Ltd.
    • Kentaro Kawasaki
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    THERMOSENSITIVE RECORDING MEDIUM

    • Publication number 20220161588
    • Publication date May 26, 2022
    • Nippon Paper Industries Co., Ltd.
    • Kentaro KAWASAKI
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Application

    BASE PAPER FOR PAPER TUBE, AND PAPER TUBE

    • Publication number 20220042247
    • Publication date Feb 10, 2022
    • NIPPON PAPER INDUSTRIES CO., LTD.
    • Junji YAMAMOTO
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Application

    THERMOSENSITIVE RECORDING MEDIUM

    • Publication number 20200406658
    • Publication date Dec 31, 2020
    • Nippon Paper Industries Co., Ltd.
    • Kenji Hirai
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Application

    THERMOSENSITIVE RECORDING MEDIUM

    • Publication number 20180311987
    • Publication date Nov 1, 2018
    • Yasuaki Matsumori
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Application

    THERMOSENSITIVE RECORDING MEDIUM

    • Publication number 20170129266
    • Publication date May 11, 2017
    • Nippon Paper Industries Co., Ltd.
    • Akihito Ogino
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Application

    THERMOSENSITIVE RECORDING MEDIUM

    • Publication number 20120038737
    • Publication date Feb 16, 2012
    • Kenji Hirai
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Application

    THERMOSENSITIVE RECORDING MEDIUM

    • Publication number 20110105319
    • Publication date May 5, 2011
    • Kenji Hirai
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Application

    THERMOSENSITIVE RECORDING MEDIUM

    • Publication number 20100248959
    • Publication date Sep 30, 2010
    • Aya Kato
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Application

    THERMOSENSITIVE RECORDING MEDIUM

    • Publication number 20100062935
    • Publication date Mar 11, 2010
    • Ken Takagi
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Application

    Laser Recording Thermally Sensitive Recording Medium

    • Publication number 20080194403
    • Publication date Aug 14, 2008
    • Junpei Natsui
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Application

    Thermally Sensitive Recording Medium

    • Publication number 20080076663
    • Publication date Mar 27, 2008
    • Seiki Yoneshige
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Application

    Thermally Sensitive Recording Medium

    • Publication number 20070265163
    • Publication date Nov 15, 2007
    • Takashi Date
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Application

    Thermally Sensitive Recording Medium

    • Publication number 20070231513
    • Publication date Oct 4, 2007
    • Mizuho Shimoyama
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Application

    Heat-sensitive recording medium

    • Publication number 20060125909
    • Publication date Jun 15, 2006
    • Kaoru Hamada
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS