Nobuharu Oka

Follow

Person

Shiga, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method of color electrophotography
- Patent number 4,663,257
- Issue date May 5, 1987
- Ishihara Sangyo Kaisha, Ltd.
- Sadao Murasawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY