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Tetsuya Goto
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Kanagawa, JP
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last 30 patents
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Patent Grant
Camera
Patent number
D314582
Issue date
Feb 12, 1991
Ricoh Company, Ltd.
Yoshihisa Minakawa
D16 - Photography and optical equipment
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Patent Grant
Camera
Patent number
D296703
Issue date
Jul 12, 1988
Ricoh Company, Ltd.
Tetsuya Goto
D16 - Photography and optical equipment