Kunio Takeshi

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Kanagawa-ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Aberration correction system and astronomical telescope having the...
- Patent number 6,038,068
- Issue date Mar 14, 2000
- Canon Kabushiki Kaisha
- Kunio Takeshi
- G02 - OPTICS
Information Patent Grant
Zoom lens
- Patent number 5,751,497
- Issue date May 12, 1998
- Canon Kabushiki Kaisha
- Fumiaki Usui
- G02 - OPTICS
Information Patent Grant
Zoom lens
- Patent number 5,583,700
- Issue date Dec 10, 1996
- Canon Kabushiki Kaisha
- Fumiaki Usui
- G02 - OPTICS
Information Patent Grant
Performance correcting optical assembly for photographic lens for t...
- Patent number 4,976,526
- Issue date Dec 11, 1990
- Canon Kabushiki Kaisha
- Shigeru Oshima
- G02 - OPTICS
Information Patent Grant
Zoom lens having closeup focusing control
- Patent number 4,124,274
- Issue date Nov 7, 1978
- Canon Kabushiki Kaisha
- Kazuo Tanaka
- G02 - OPTICS