Akira Yumen

Follow

Person

Kyoto, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for producing a color-separation film by recor...
- Patent number 4,754,325
- Issue date Jun 28, 1988
- Dainippon Screen Mfg. Co., Ltd.
- Akira Ishida
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for reproducing color separation picture image
- Patent number 4,646,144
- Issue date Feb 24, 1987
- Dainippon Screen Mfg. Co., Ltd.
- Akira Ishida
- H04 - ELECTRIC COMMUNICATION TECHNIQUE