Koji Baba

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Tokyo, JP

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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
Viscous coupling gear device
- Patent number 5,746,092
- Issue date May 5, 1998
- Seiko Clock Inc.
- Koji Baba
- G04 - HOROLOGY
Information Patent Grant
Timepiece movement with a second stop device
- Patent number 5,621,704
- Issue date Apr 15, 1997
- Seiko Clock Inc.
- Koji Baba
- G04 - HOROLOGY