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Tsutomu Kotani

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Patents Grantslast 30 patents

  • Information Patent Grant

    Apparatus for discriminating optical recording medium and method fo...
    • Patent number 7,085,213
    • Issue date Aug 1, 2006
    • TDK Corporation
    • Kazuo Fukunaga
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Stepping motor
    • Patent number 6,670,731
    • Issue date Dec 30, 2003
    • TDK Corporation
    • Tsutomu Kotani
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    PTC thermistor device
    • Patent number 6,025,771
    • Issue date Feb 15, 2000
    • TDK Corporation
    • Kazumi Kobayashi
    • H01 - BASIC ELECTRIC ELEMENTS
  • 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

    Piezoelectric vibrator mounting system for a nebulizer
    • Patent number 5,021,701
    • Issue date Jun 4, 1991
    • TDK Corporation
    • Minoru Takahashi
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Grant

    Demagnetizer for a magnetic head of a cassette tape recorder
    • Patent number 4,849,843
    • Issue date Jul 18, 1989
    • TDK Corporation
    • Motoyoshi Fujita
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Electrocardiograph
    • Patent number 4,840,183
    • Issue date Jun 20, 1989
    • TDK Corporation
    • Minoru Takahashi
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Displacement sensor
    • Patent number 4,805,633
    • Issue date Feb 21, 1989
    • TDK Corporation
    • Tsutomu Kotani
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents