TREA

Seiko Ishikawa

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  • Hekinan, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Fire alarm system
    • Patent number 5,654,690
    • Issue date Aug 5, 1997
    • Brother Kogyo Kabushiki Kaisha
    • Seiko Ishikawa
    • G08 - SIGNALLING
  • Information Patent Grant

    Electronic dictionary
    • Patent number 4,991,135
    • Issue date Feb 5, 1991
    • Brother Kogyo Kabushiki Kaisha
    • Motokazu Yoshimura
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Electronic dictionary
    • Patent number 4,747,053
    • Issue date May 24, 1988
    • Brother Kogyo Kabushiki Kaisha
    • Motokazu Yoshimura
    • G06 - COMPUTING CALCULATING COUNTING