Touru Sakaguchi

Follow

Person

Itabashi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Photometer for use in a camera
- Patent number 4,809,031
- Issue date Feb 28, 1989
- Ricoh Company, Ltd.
- Touru Sakaguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY