Kouji Hashimoto

Follow

Person

Yokohama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Exposure mask, method of manufacturing the same, and exposure metho...
- Patent number 5,234,780
- Issue date Aug 10, 1993
- Kabushiki Kaisha Toshiba
- Akihiro Nitayama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY