Akio Okumura

Follow

Person

Minami-ashigara, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Photographic light sensitive element containing yellow color couple...
- Patent number 4,404,274
- Issue date Sep 13, 1983
- Fuji Photo Film Co., Ltd.
- Atsuaki Arai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process of forming yellow photographic images
- Patent number 4,269,936
- Issue date May 26, 1981
- Fuji Photo Film Co., Ltd.
- Atsuaki Arai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Color photographic material
- Patent number 4,163,670
- Issue date Aug 7, 1979
- Fuji Photo Film Co., Ltd.
- Keisuke Shiba
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Multi-layered color photographic materials
- Patent number 4,138,258
- Issue date Feb 6, 1979
- Fuji Photo Film Co., Ltd.
- Takeshi Hirose
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY