TREA

Hiromasa Nakanishi

Follow

Person

  • Tokyo, JP
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Electronic watch
    • Patent number 4,274,150
    • Issue date Jun 16, 1981
    • Kabushiki Kaisha Daini Seikosha
    • Masataka Ikenishi
    • G04 - HOROLOGY
  • Information Patent Grant

    Electronic watch
    • Patent number 4,241,433
    • Issue date Dec 23, 1980
    • Kabushiki Kaisha Daini Seikosha
    • Makoto Ueda
    • G04 - HOROLOGY
  • Information Patent Grant

    Electronic watch
    • Patent number 4,216,646
    • Issue date Aug 12, 1980
    • Kabushiki Kaisha Daini Seikosha
    • Masataka Ikenishi
    • G04 - HOROLOGY
  • Information Patent Grant

    Calendar mechanism of a portable timepiece
    • Patent number 4,204,395
    • Issue date May 27, 1980
    • Kabushiki Kaisha Daini Seikosha
    • Masataka Ikenishi
    • G04 - HOROLOGY