Yasuyuki Oka

Follow

Person

Hikone-shi, Shiga, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Scanning exposure-reproduction apparatus and scaling reproduction m...
- Patent number 5,237,366
- Issue date Aug 17, 1993
- Dainippon Screen Mfg. Co., Ltd.
- Yasuyuki Oka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Apparatus for holding sensitized material in slitwise exposure type...
- Patent number 4,926,213
- Issue date May 15, 1990
- Dainippon Screen Mfg. Co., Ltd.
- Shoji Komatsubara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Wet type color electrophotographic copying machine
- Patent number 4,754,302
- Issue date Jun 28, 1988
- Shoji Komatsubara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY