TREA

Sachiko Homma

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  • Miyagi-ken, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Complex operation input device
    • Patent number 6,621,016
    • Issue date Sep 16, 2003
    • Alps Electric Co., Ltd.
    • Katsuichi Ohba
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Multiple operation type input device
    • Patent number 6,525,277
    • Issue date Feb 25, 2003
    • Alps Electric Co., Ltd.
    • Katsuichi Oba
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Two-position pushbutton switch
    • Patent number 6,492,602
    • Issue date Dec 10, 2002
    • Alps Electric Co., Ltd.
    • Akira Asai
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

  • Information Patent Application

    Complex operation input device
    • Publication number 20020166754
    • Publication date Nov 14, 2002
    • Alps Electric Co., Ltd.
    • Katsuichi Ohba
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Multiple operation type input device
    • Publication number 20020056611
    • Publication date May 16, 2002
    • Alps Electric Co., Ltd.
    • Katsuichi Oba
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Two-position pushbutton switch
    • Publication number 20010013463
    • Publication date Aug 16, 2001
    • Alps Electric Co., Ltd.
    • Akira Asai
    • H01 - BASIC ELECTRIC ELEMENTS