Koji Okazaki

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Nagaokakyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Processing compositions for silver complex diffusion transfer process
- Patent number 4,649,096
- Issue date Mar 10, 1987
- Mitsubishi Paper Mills, Ltd.
- Yasuo Tsubai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Dying etched-bleached silver images using dye solutions with glycol...
- Patent number 4,643,962
- Issue date Feb 17, 1987
- Mitsubishi Paper Mills, Ltd.
- Yasuo Tsubai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Processing solution for silver complex diffusion transfer process c...
- Patent number 4,632,896
- Issue date Dec 30, 1986
- Mitsubishi Paper Mills, Ltd.
- Yasuo Tsubai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image receiving material with low calcium gelatin
- Patent number 4,605,609
- Issue date Aug 12, 1986
- Mitsubishi Paper Mills, Ltd.
- Koji Okazaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY