Norio Shibuya

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Chiba, JP

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Patents Grantslast 30 patents

Information Patent Grant
Chronograph timepiece and lever device for timepiece
- Patent number 6,428,201
- Issue date Aug 6, 2002
- Seiko Instruments Inc.
- Norio Shibuya
- G04 - HOROLOGY
Information Patent Grant
Multi-functional timepiece
- Patent number 5,956,294
- Issue date Sep 21, 1999
- Seiko Instruments Inc.
- Katsuyoshi Takizawa
- G04 - HOROLOGY