Kotaro Takahashi

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Patents Grantslast 30 patents

Information Patent Grant
Portable display equipment
- Patent number 5,069,529
- Issue date Dec 3, 1991
- Citizen Watch Co., Ltd.
- Kotaro Takahashi
- G02 - OPTICS
Information Patent Grant
Liquid crystal display television receiver
- Patent number 4,652,932
- Issue date Mar 24, 1987
- Citizen Watch Co., Ltd.
- Akira Miyajima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Electronic wristwatches
- Patent number 4,234,946
- Issue date Nov 18, 1980
- Citizen Watch Co., Ltd.
- Kotaro Takahashi
- G04 - HOROLOGY
Information Patent Grant
Construction of an analogue crystal wrist watch
- Patent number 4,198,809
- Issue date Apr 22, 1980
- Citizen Watch Co., Ltd.
- Kenzi Miyasaka
- G04 - HOROLOGY