Hironobu Kato

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Urawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Light-intercepting blade for a light control device
- Patent number 4,482,231
- Issue date Nov 13, 1984
- Nippon Kogaku K.K.
- Hironobu Kato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Light-intercepting device in a camera
- Patent number 4,298,265
- Issue date Nov 3, 1981
- Nippon Kogaku K.K.
- Etsuo Tanaka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY