Yasuhiko Kojima

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Fairlawn, NJ, US

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Patents Grantslast 30 patents

Information Patent Grant
High contrast dot enhancing compositions and photographic products...
- Patent number 4,882,261
- Issue date Nov 21, 1989
- Polychrome Corp.
- Yasuhiko Kojima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY