Kenji Miyasaka

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Tokorozawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Electronic watch with meter function and display means
- Patent number 6,490,230
- Issue date Dec 3, 2002
- Citizen Watch Co., Ltd.
- Masao Sakuyama
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Grant
Self-winding electric power generation watch with additional function
- Patent number 6,244,742
- Issue date Jun 12, 2001
- Citizen Watch Co., Ltd.
- Shinichi Yamada
- G04 - HOROLOGY
Information Patent Grant
Electronic watch provided with an electrical generator
- Patent number 6,021,097
- Issue date Feb 1, 2000
- Citizen Watch Company, Ltd.
- Fumio Kanno
- G04 - HOROLOGY
Information Patent Grant
Small electric apparatus equipped with generator
- Patent number 5,903,071
- Issue date May 11, 1999
- Citizen Watch Co., Ltd.
- Kenji Miyasaka
- G04 - HOROLOGY
Information Patent Grant
Power supply unit for electronic appliances
- Patent number 5,701,278
- Issue date Dec 23, 1997
- Citizen Watch Co., Ltd.
- Haruhiko Higuchi
- G04 - HOROLOGY
Information Patent Grant
Electronic timepiece having functional hands
- Patent number 5,251,190
- Issue date Oct 5, 1993
- Citizen Watch Co., Ltd.
- Kenji Miyasaka
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Grant
Movement structure for an electronic timepiece
- Patent number 4,437,768
- Issue date Mar 20, 1984
- Citizen Watch Company Limited
- Kenji Miyasaka
- G04 - HOROLOGY