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Takeshi Muryoi
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Chigasaki, JP
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last 30 patents
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Patent Grant
Extender-containing camera lens with a grip
Patent number
4,757,335
Issue date
Jul 12, 1988
Nippon Kogaku K.K.
Takeshi Muryoi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Zoom lens assembly
Patent number
4,558,927
Issue date
Dec 17, 1985
Nippon Kogaku K.K.
Sachio Omori
G02 - OPTICS
Information
Patent Grant
Single operator macro-focusing zoom lens barrel
Patent number
4,457,591
Issue date
Jul 3, 1984
Nippon Kogaku K.K.
Takeshi Muryoi
G02 - OPTICS
Information
Patent Grant
Zoom lens barrel capable of close up photography
Patent number
4,456,342
Issue date
Jun 26, 1984
Nippon Kogaku K.K.
Takeshi Muryoi
G02 - OPTICS
Information
Patent Grant
Zoom lens barrel with single-ring continuous focusing
Patent number
4,439,019
Issue date
Mar 27, 1984
Nippon Kogaku K.K.
Takeshi Muryoi
G02 - OPTICS
Information
Patent Grant
Diaphragm driving device for a lens barrel
Patent number
4,439,031
Issue date
Mar 27, 1984
Nippon Kogaku K.K.
Takeshi Muryoi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Macro zoom lens barrel
Patent number
4,421,389
Issue date
Dec 20, 1983
Nippon Kogaku K.K.
Takeshi Muryoi
G02 - OPTICS
Information
Patent Grant
Zoom lens barrel
Patent number
4,411,498
Issue date
Oct 25, 1983
Nippon Kogaku K.K.
Takeshi Muryoi
G02 - OPTICS
Information
Patent Grant
Lens barrel for both priorities or shutter speed priority mode auto...
Patent number
4,269,497
Issue date
May 26, 1981
Nippon Kogaku K.K.
Sunao Ishizaka
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Diaphragm device of a photographic lens
Patent number
4,264,178
Issue date
Apr 28, 1981
Nippon Kogaku K.K.
Takeshi Muryoi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Zoom lens barrel capable of macro-photography
Patent number
4,114,984
Issue date
Sep 19, 1978
Nippon Kogaku K.K.
Takeshi Muryoi
G02 - OPTICS