Toshiyuki Watanabe

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Mishima, JP

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Patents Grantslast 30 patents

Information Patent Grant
Diazo-type thermosensitive recording material
- Patent number 4,454,521
- Issue date Jun 12, 1984
- Ricoh Company, Ltd.
- Yoshihiro Suguro
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY