Yoshiaki Ohtsubo

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Kawasaki, JA

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Patents Grantslast 30 patents

Information Patent Grant
Flashlight information signal generating device for a camera
- Patent number 4,089,013
- Issue date May 9, 1978
- Nippon Kogaku K.K.
- Hiroshi Hasegawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY