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Shiro Nakagawa

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  • Chiba-shi, Chiba-ken, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Current sensor apparatus
    • Patent number 6,411,078
    • Issue date Jun 25, 2002
    • TDK Corporation
    • Shiro Nakagawa
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Magnetic sensor apparatus, current sensor apparatus and magnetic se...
    • Patent number 6,323,634
    • Issue date Nov 27, 2001
    • TDK Corporation
    • Shiro Nakagawa
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Magnetic sensor measuring apparatus and current sensor non-contact...
    • Patent number 6,316,939
    • Issue date Nov 13, 2001
    • TDK Corporation
    • Shiro Nakagawa
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Magnetic sensor apparatus and current sensor apparatus
    • Patent number 6,316,931
    • Issue date Nov 13, 2001
    • TDK Corporation
    • Shiro Nakagawa
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Optical recording medium
    • Patent number 6,194,121
    • Issue date Feb 27, 2001
    • TDK Corp.
    • Kenryo Namba
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Optical recording medium
    • Patent number 5,741,623
    • Issue date Apr 21, 1998
    • TDK Corporation
    • Kenryo Namba
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Optical recording medium
    • Patent number 5,670,295
    • Issue date Sep 23, 1997
    • Kenryo Namba
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Humidity meter
    • Patent number 5,652,382
    • Issue date Jul 29, 1997
    • TDK Corporation
    • Shiro Nakagawa
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Absolute humidity meter
    • Patent number 5,531,097
    • Issue date Jul 2, 1996
    • TDK Corporation
    • Atsuko Tsuchida
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Humidity meter
    • Patent number 5,515,723
    • Issue date May 14, 1996
    • TDK Corporation
    • Atsuko Tsuchida
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Optical recording medium
    • Patent number 5,512,416
    • Issue date Apr 30, 1996
    • TDK Corporation
    • Kenryo Namba
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Humidity meter
    • Patent number 5,396,796
    • Issue date Mar 14, 1995
    • TDK Corporation
    • Tsutomu Kotani
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Humidity meter
    • Patent number 5,317,274
    • Issue date May 31, 1994
    • TDK Corporation
    • Shiro Nakagawa
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Toner concentration detector for a two-component developer
    • Patent number 5,310,425
    • Issue date May 10, 1994
    • TDK Corporation
    • Shiro Nakagawa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Analog to digital converter system
    • Patent number 5,305,005
    • Issue date Apr 19, 1994
    • TDK Corporation
    • Shiro Nakagawa
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Humidity meter
    • Patent number 5,065,625
    • Issue date Nov 19, 1991
    • TDK Corporation
    • Shiro Nakagawa
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Method for erasing a light recording medium
    • Patent number 4,599,718
    • Issue date Jul 8, 1986
    • TDK Electronics Co., Ltd.
    • Shiro Nakagawa
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Optical recording/reproducing system
    • Patent number 4,530,080
    • Issue date Jul 16, 1985
    • TDK Electronics Co., Ltd.
    • Toshiki Aoi
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Optical recording system
    • Patent number 4,516,234
    • Issue date May 7, 1985
    • TDK Electronics Co., Ltd.
    • Shiro Nakagawa
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Light recording medium
    • Patent number 4,412,231
    • Issue date Oct 25, 1983
    • TDK Electronics Co., Ltd.
    • Kenryo Namba
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Magnetic head
    • Patent number 4,222,084
    • Issue date Sep 9, 1980
    • TDK Electronics Co., Ltd.
    • Shiro Nakagawa
    • G11 - INFORMATION STORAGE