TREA

Seiko Electric Components Ltd.

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Patents Grantslast 30 patents

  • Information Patent Grant

    Secondary battery
    • Patent number 5,108,855
    • Issue date Apr 28, 1992
    • Bridgestone Corporation
    • Hideharu Daifuku
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Non-aqueous electrolyte secondary cell
    • Patent number 5,066,556
    • Issue date Nov 19, 1991
    • Bridgestone Corporation
    • Shinichi Toyosawa
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Longitudinal quartz crystal resonator
    • Patent number 5,059,853
    • Issue date Oct 22, 1991
    • Seiko Electric Components Ltd.
    • Hirofumi Kawashima
    • H03 - BASIC ELECTRONIC CIRCUITRY