Toshihiro Kondo

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Chofu, JA

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Patents Grantslast 30 patents

Information Patent Grant
Photographic camera with density-variable filter
- Patent number 4,044,370
- Issue date Aug 23, 1977
- Toshihiro Kondo
- Toshihiro Kondo
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY