Shigeru Mitsu

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Flash control based on calculated required flash energy
- Patent number 5,148,212
- Issue date Sep 15, 1992
- Ricoh Company, Ltd.
- Yoshio Serikawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Control device for driving zoom lens of camera
- Patent number 4,937,602
- Issue date Jun 26, 1990
- Ricoh Company, Ltd.
- Keiji Himuro
- G02 - OPTICS