Yasutoyo Kotani

Follow

Person

Osaka, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Toner sealing material
- Patent number 5,274,425
- Issue date Dec 28, 1993
- Sumitomo Electric Industries Ltd.
- Yasuhiro Fukumoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY