Yoshito Hayakawa

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Kohnosu, JP

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Patents Grantslast 30 patents

Information Patent Grant
Photographic flash device for use with a shadowless lamp for surgic...
- Patent number 4,384,315
- Issue date May 17, 1983
- Yamada Iryo Shomei Kabushiki Kaisha
- Yoshito Hayakawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY