Takamichi Takehana

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Okaya, JP

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Patents Grantslast 30 patents

Information Patent Grant
Multi-point range finding device
- Patent number 5,229,806
- Issue date Jul 20, 1993
- Chinon Kabushiki Kaisha
- Takamichi Takehana
- G02 - OPTICS
Information Patent Grant
Automatic focusing device
- Patent number 5,121,153
- Issue date Jun 9, 1992
- 501 Chinon Kabushiki Kaisha
- Masatoshi Yamada
- G02 - OPTICS
Information Patent Grant
Camera zoom lens automatic magnification apparatus
- Patent number 4,878,080
- Issue date Oct 31, 1989
- Chinon Kabushiki Kaisha
- Takamichi Takehana
- G02 - OPTICS
Information Patent Grant
Range finding device
- Patent number 4,740,806
- Issue date Apr 26, 1988
- Chinon Kabushiki Kaisha
- Takamichi Takehana
- G02 - OPTICS