TREA

Hiroyuki Hashizume

Follow

Person

  • Tokyo, JP
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Timepiece movement
    • Patent number 5,999,495
    • Issue date Dec 7, 1999
    • Seiko Clock Inc.
    • Hiroyuki Hashizume
    • G04 - HOROLOGY
  • Information Patent Grant

    Timepiece movement
    • Patent number 5,930,205
    • Issue date Jul 27, 1999
    • Seiko Clock Inc.
    • Koji Baba
    • G04 - HOROLOGY
  • Information Patent Grant

    Clock movement
    • Patent number 5,566,140
    • Issue date Oct 15, 1996
    • Seiko Clock Inc.
    • Shigeru Kohata
    • G04 - HOROLOGY