TREA

Hitoshi Azegami

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  • Nagano, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Magnetic recording medium
    • Patent number 5,089,344
    • Issue date Feb 18, 1992
    • TDK Corporation
    • Kazunori Tamazaki
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Magnetic recording medium
    • Patent number 4,837,083
    • Issue date Jun 6, 1989
    • TDK Corporation
    • Kazuhiro Kuroda
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Magnetic recording medium
    • Patent number 4,756,962
    • Issue date Jul 12, 1988
    • TDK Corporation
    • Shigeru Takamatsu
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Magnetic recording medium
    • Patent number 4,643,934
    • Issue date Feb 17, 1987
    • TDK Corporation
    • Norifumi Kajimoto
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Magnetic recording medium
    • Patent number 4,615,949
    • Issue date Oct 7, 1986
    • TDK Corporation
    • Kuniichi Yoda
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Magnetic recording medium
    • Patent number 4,608,315
    • Issue date Aug 26, 1986
    • TDK Corporation
    • Kuniichi Yoda
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Magnetic recording medium
    • Patent number 4,464,433
    • Issue date Aug 7, 1984
    • TDK Electronics Co., Ltd.
    • Kenji Hirabayashi
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Magnetic recording medium
    • Patent number 4,460,653
    • Issue date Jul 17, 1984
    • TDK Corporation
    • Hitoshi Azegami
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Magnetic recording medium
    • Patent number 4,431,702
    • Issue date Feb 14, 1984
    • TDK Electronics Co., Ltd.
    • Hiroshi Kawahara
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Magnetic recording medium
    • Patent number 4,423,453
    • Issue date Dec 27, 1983
    • TDK Electronics Co., Ltd.
    • Hiroshi Kawahara
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Magnetic recording medium
    • Patent number 4,414,288
    • Issue date Nov 8, 1983
    • TDK Electronics Co., Ltd.
    • Hiroshi Kawahara
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Magnetic recording medium
    • Patent number 4,410,590
    • Issue date Oct 18, 1983
    • TDK Electronics Co., Ltd.
    • Hiroshi Kawahara
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Magnetic recording medium
    • Patent number 4,400,435
    • Issue date Aug 23, 1983
    • TDK Electronics Co., Ltd.
    • Kuniichi Yoda
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Magnetic recording medium
    • Patent number 4,391,877
    • Issue date Jul 5, 1983
    • TDK Electronics Co., Ltd.
    • Fujio Shibata
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Magnetic tape cassette
    • Patent number 4,380,035
    • Issue date Apr 12, 1983
    • TDK Electronics Co., Ltd.
    • Hiroshi Ota
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Lubricant sheet for magnetic tape cassette
    • Patent number 4,376,519
    • Issue date Mar 15, 1983
    • TDK Electronics Co., Ltd.
    • Toshihiko Ishida
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Magnetic recording medium
    • Patent number 4,352,859
    • Issue date Oct 5, 1982
    • TDK Electronics Co., Ltd.
    • Kuniichi Yoda
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Magnetic recording medium
    • Patent number 4,340,644
    • Issue date Jul 20, 1982
    • TDK Electronics Co., Ltd.
    • Hiroshi Ota
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Magnetic recording medium
    • Patent number 4,315,057
    • Issue date Feb 9, 1982
    • TDK Electronics Co., Ltd.
    • Eiji Horigome
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Magnetic recording medium
    • Patent number 4,305,995
    • Issue date Dec 15, 1981
    • TDK Electronics Co., Ltd.
    • Hiroshi Ota
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Magnetic recording medium
    • Patent number 4,291,100
    • Issue date Sep 22, 1981
    • TDK Electronics Co., Ltd.
    • Eiji Horigome
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Magnetic recording medium and process
    • Patent number 4,289,828
    • Issue date Sep 15, 1981
    • TDK Electronics Co., Ltd.
    • Hiroshi Ota
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Magnetic recording medium
    • Patent number 4,234,438
    • Issue date Nov 18, 1980
    • TDK Electronics Company Limited
    • Eiji Horigome
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...