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Patents Grantslast 30 patents

Information Patent Grant
Direct positive silver halide photographic materials
- Patent number 5,112,732
- Issue date May 12, 1992
- Fuji Photo Film Co., Ltd.
- Kazunori Hayashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method for forming a direct positive image
- Patent number 5,035,984
- Issue date Jul 30, 1991
- Fuji Photo Film Co., Ltd.
- Kazunoi Hayashi
- B82 - NANO-TECHNOLOGY