Makoto Sumitani

Follow

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Oxygen detecting composition
- Patent number 6,703,245
- Issue date Mar 9, 2004
- Mitsubishi Gas Chemical Company, Inc.
- Makoto Sumitani
- G01 - MEASURING TESTING
Information Patent Grant
Optical isolator
- Patent number 5,278,853
- Issue date Jan 11, 1994
- Mitsubishi Gas Chemical Co., Ltd.
- Kazushi Shirai
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Oxygen detecting composition
- Publication number 20030082823
- Publication date May 1, 2003
- Makoto Sumitani
- G01 - MEASURING TESTING