Tamotu Iwata

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Patents Grantslast 30 patents

Information Patent Grant
Method for photographic development using a filter to inhibit occur...
- Patent number 5,660,972
- Issue date Aug 26, 1997
- Mitsubishi Paper Mills Limited
- Hideto Kiyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method for photographic development
- Patent number 5,344,741
- Issue date Sep 6, 1994
- Mitsubishi Paper Mills Limited
- Tamotu Iwata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photographic binder mixture of three polymers
- Patent number 4,153,458
- Issue date May 8, 1979
- Mitsubishi Paper Mills, Ltd.
- Shigeru Iguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photographic binder comprising isobutylene-maleic anhydride copolymer
- Patent number 4,119,463
- Issue date Oct 10, 1978
- Mitsubishi Paper Mills, Ltd.
- Shigeru Iguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY