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Kousaku Sawabe
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Yokohama, JP
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last 30 patents
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Patent Grant
Pulse-controlled camera, method for setting control reference posit...
Patent number
5,307,110
Issue date
Apr 26, 1994
Ricoh Company, Ltd.
Kousaku Sawabe
G02 - OPTICS
Information
Patent Grant
Lens tube retraction mechanism for camera having retractable lens tube
Patent number
4,277,157
Issue date
Jul 7, 1981
Ricoh Company, Ltd.
Fumihiro Miyagawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Lens tube guide frame for use in lens tube retractable type camera
Patent number
4,264,173
Issue date
Apr 28, 1981
Ricoh Co., Ltd.
Akio Furukawa
G02 - OPTICS
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Patent Grant
Camera
Patent number
4,264,172
Issue date
Apr 28, 1981
Ricoh Co., Ltd.
Fumihiro Miyagawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY