Takatoshi Osaka

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Higashikurume, JP

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Patents Grantslast 30 patents

Information Patent Grant
Ball throwing machine
- Patent number 4,517,953
- Issue date May 21, 1985
- Citizen Watch Co., Ltd.
- Takatoshi Osaka
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Battery unit for an electric timepiece
- Patent number 4,407,590
- Issue date Oct 4, 1983
- Citizen Watch Co., Ltd.
- Hideshi Ohno
- G04 - HOROLOGY
Information Patent Grant
Electronic timepiece
- Patent number 4,196,577
- Issue date Apr 8, 1980
- Citizen Watch Co., Ltd.
- Hideshi Ohno
- G04 - HOROLOGY
Information Patent Grant
Electronic optical display device and method of manufacturing the same
- Patent number 4,183,629
- Issue date Jan 15, 1980
- Citizen Watch Co. Ltd.
- Katsuo Nishimura
- G02 - OPTICS