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Masamitsu Nagahama

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  • Saitama, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Decorative sheets
    • Patent number 11,446,906
    • Issue date Sep 20, 2022
    • Toppan Printing Co., Ltd.
    • Yoshimi Yamasaki
    • B32 - LAYERED PRODUCTS
  • Information Patent Grant

    Decorative sheet, and transparent resin sheet
    • Patent number 11,230,631
    • Issue date Jan 25, 2022
    • Toppan Printing Co., Ltd.
    • Shinichi Miyamoto
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Decorative sheet
    • Patent number 11,148,403
    • Issue date Oct 19, 2021
    • Toppan Printing Co., Ltd.
    • Mami Kudo
    • B32 - LAYERED PRODUCTS
  • Information Patent Grant

    Decorated sheet
    • Patent number 10,981,364
    • Issue date Apr 20, 2021
    • Toppan Printing Co., Ltd.
    • Hisashi Ikeda
    • B32 - LAYERED PRODUCTS
  • Information Patent Grant

    Decorative sheet
    • Patent number 10,906,280
    • Issue date Feb 2, 2021
    • Toppan Printing Co., Ltd.
    • Shinichi Miyamoto
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Decorative sheet and method of producing decorative sheet
    • Patent number 10,899,117
    • Issue date Jan 26, 2021
    • Toppan Printing Co., Ltd.
    • Naoyuki Shibayama
    • B32 - LAYERED PRODUCTS
  • Information Patent Grant

    Decorative sheet and method of producing the same
    • Patent number 10,703,079
    • Issue date Jul 7, 2020
    • Toppan Printing Co., Ltd.
    • Megumi Kashiwame
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Grant

    Decorative sheet
    • Patent number 10,661,538
    • Issue date May 26, 2020
    • Toppan Printing Co., Ltd.
    • Shinichi Miyamoto
    • B32 - LAYERED PRODUCTS
  • Information Patent Grant

    Decorative sheet and method of manufacturing the same
    • Patent number 10,518,510
    • Issue date Dec 31, 2019
    • Toppan Printing Co., Ltd.
    • Eiichi Higashikawa
    • B32 - LAYERED PRODUCTS
  • Information Patent Grant

    Label, wristband clip, paper material and ink ribbon containing car...
    • Patent number 10,026,341
    • Issue date Jul 17, 2018
    • Sato Holdings Kabushiki Kaisha
    • Hiromi Yamamuro
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Label, printing paper top layer formation material, information-bea...
    • Patent number 9,489,872
    • Issue date Nov 8, 2016
    • Sato Holdings Kabushiki Kaisha
    • Hiromi Yamamuro
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Reactive oxygen species measuring device
    • Patent number 8,298,387
    • Issue date Oct 30, 2012
    • Makoto Yuasa
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Writing instrument
    • Patent number 5,352,051
    • Issue date Oct 4, 1994
    • Pentel Kabushiki Kaisha
    • Takashi Tamura
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Writing instrument
    • Patent number 5,217,313
    • Issue date Jun 8, 1993
    • Pentel Kabushiki Kaisha
    • Takashi Tamura
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Mechanical pencil lead protection pipe with protuberance
    • Patent number 5,085,534
    • Issue date Feb 4, 1992
    • Pentel Kabushiki Kaisha
    • Kamakura Kenichi
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Nib for writing instruments
    • Patent number 4,824,271
    • Issue date Apr 25, 1989
    • Pental Kabushiki Kaisha
    • Masamitsu Nagahama
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Ink guide for writing instruments
    • Patent number 4,708,508
    • Issue date Nov 24, 1987
    • Pentel Kabushiki Kaisha
    • Masamitsu Nagahama
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES

Patents Applicationslast 30 patents

  • Information Patent Application

    DECORATIVE SHEET
    • Publication number 20230087440
    • Publication date Mar 23, 2023
    • TOPPAN INC.
    • Mami NAGASHIMA
    • B32 - LAYERED PRODUCTS
  • Information Patent Application

    DECORATIVE SHEETS
    • Publication number 20210316540
    • Publication date Oct 14, 2021
    • Toppan Printing Co.,Ltd.
    • Yoshimi YAMASAKI
    • B32 - LAYERED PRODUCTS
  • Information Patent Application

    DECORATIVE SHEET AND METHOD OF PRODUCING DECORATIVE SHEET
    • Publication number 20190255827
    • Publication date Aug 22, 2019
    • Toppan Printing Co., Ltd.
    • Naoyuki SHIBAYAMA
    • B32 - LAYERED PRODUCTS
  • Information Patent Application

    DECORATIVE SHEET AND METHOD OF PRODUCING THE SAME
    • Publication number 20190016104
    • Publication date Jan 17, 2019
    • Toppan Printing Co., Ltd.
    • Megumi KASHIWAME
    • B32 - LAYERED PRODUCTS
  • Information Patent Application

    DECORATIVE SHEET
    • Publication number 20180264791
    • Publication date Sep 20, 2018
    • Toppan Printing Co., Ltd.
    • Shinichi MIYAMOTO
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    DECORATIVE SHEET
    • Publication number 20180244022
    • Publication date Aug 30, 2018
    • Toppan Printing Co., Ltd.
    • Shinichi MIYAMOTO
    • B32 - LAYERED PRODUCTS
  • Information Patent Application

    DECORATIVE SHEET, AND TRANSPARENT RESIN SHEET
    • Publication number 20180244877
    • Publication date Aug 30, 2018
    • Toppan Printing Co., Ltd.
    • Shinichi MIYAMOTO
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    DECORATIVE SHEET
    • Publication number 20180186131
    • Publication date Jul 5, 2018
    • Toppan Printing Co., Ltd.
    • Mami KUDO
    • B32 - LAYERED PRODUCTS
  • Information Patent Application

    DECORATED SHEET
    • Publication number 20180186132
    • Publication date Jul 5, 2018
    • Toppan Printing Co., Ltd.
    • Hisashi IKEDA
    • B32 - LAYERED PRODUCTS
  • Information Patent Application

    DECORATIVE SHEET AND METHOD OF MANUFACTURING THE SAME
    • Publication number 20180186135
    • Publication date Jul 5, 2018
    • Toppan Printing Co., Ltd.
    • Eiichi HIGASHIKAWA
    • B32 - LAYERED PRODUCTS
  • Information Patent Application

    LABEL, TOP LAYER FORMATION MATERIAL FOR PRINTING MEDIUM, INFORMATIO...
    • Publication number 20170032711
    • Publication date Feb 2, 2017
    • Sato Holdings Kabushiki Kaisha
    • Hiromi YAMAMURO
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Application

    STRETCH FILM
    • Publication number 20160009880
    • Publication date Jan 14, 2016
    • Sato Holdings Kabushiki Kaisha
    • Masahiko ABE
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    LABEL, PRINTING PAPER TOP LAYER FORMATION MATERIAL, INFORMATION-BEA...
    • Publication number 20130287986
    • Publication date Oct 31, 2013
    • Hiromi Yamamuro
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Application

    RESIN COMPOSITION FOR CARBON DIOXIDE EMISSION REDUCTION, METHOD FOR...
    • Publication number 20120184656
    • Publication date Jul 19, 2012
    • Masamitsu Nagahama
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    Reactive oxygen species measuring device
    • Publication number 20060289313
    • Publication date Dec 28, 2006
    • Makoto Yuasa
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE