TREA

Tadahiko Nakagiri

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  • Higashimurayama, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Multicolor display apparatus
    • Patent number 5,627,563
    • Issue date May 6, 1997
    • Citizen Watch Co., Ltd.
    • Tadahiko Nakagiri
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Multicolor display apparatus
    • Patent number 5,526,016
    • Issue date Jun 11, 1996
    • Citizen Watch Co., Ltd.
    • Tadahiko Nakagiri
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Multicolor display apparatus
    • Patent number 5,515,075
    • Issue date May 7, 1996
    • Citizen Watch Co., Ltd.
    • Tadahiko Nakagiri
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Liquid crystal matrix display device
    • Patent number 4,513,282
    • Issue date Apr 23, 1985
    • Citizen Watch Company Limited
    • Tadahiko Nakagiri
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Data input device for electronic device
    • Patent number 4,477,797
    • Issue date Oct 16, 1984
    • Citizen Watch Company Limited
    • Tadahiko Nakagiri
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Electronic calculator watch
    • Patent number 4,268,913
    • Issue date May 19, 1981
    • Citizen Watch Co., Ltd.
    • Tadahiko Nakagiri
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Booster circuit for electronic timepiece
    • Patent number 4,173,862
    • Issue date Nov 13, 1979
    • Tadahiko Nakagiri
    • G04 - HOROLOGY
  • Information Patent Grant

    Alarm watch equipped with electronic calculator
    • Patent number 4,149,257
    • Issue date Apr 10, 1979
    • Citizen Watch Company Limited
    • Tadahiko Nakagiri
    • G06 - COMPUTING CALCULATING COUNTING