Tadafumi Ohguro

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Film feeding system of a camera
- Patent number RE33436
- Issue date Nov 13, 1990
- Ricoh Company, Ltd.
- Kunihiko Araki
- 354 -
Information Patent Grant
Film feeding system of a camera
- Patent number RE32850
- Issue date Jan 31, 1989
- Ricoh Company, Ltd.
- Kunihiko Araki
- 354 -
Information Patent Grant
Film feeding system of a camera
- Patent number 4,460,256
- Issue date Jul 17, 1984
- Ricoh Company, Ltd.
- Kunihiko Araki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY