TREA

Tetsuhiro Kiyono

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  • Miyagi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Variable attenuator
    • Patent number 4,225,843
    • Issue date Sep 30, 1980
    • Alps Electric Co., Ltd.
    • Moritoshi Nakamura
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Variable attenuator
    • Patent number 4,146,853
    • Issue date Mar 27, 1979
    • Alps Electric Co., Ltd.
    • Tetsuhiro Kiyono
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Resistance element for variable resistors
    • Patent number 4,123,741
    • Issue date Oct 31, 1978
    • Alps Electric Co., Ltd.
    • Tetsuhiro Kiyono
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...