Hisato Itou

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Production method of 4,6-diaminoresorcin
- Patent number 6,974,881
- Issue date Dec 13, 2005
- Mitsui Chemicals, Inc.
- Yukihiro Kumamoto
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Production method of 4,6-diaminoresorcin
- Patent number 6,359,180
- Issue date Mar 19, 2002
- Mitsui Chemicals, Incorporated
- Yukihiro Kumamoto
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Urethane resin composition for sealing optoelectric conversion devices
- Publication number 20030036620
- Publication date Feb 20, 2003
- Hisashi Kawanabe
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Production method of 4,6-diaminoresorcin
- Publication number 20020107415
- Publication date Aug 8, 2002
- Yukihiro Kumamoto
- C07 - ORGANIC CHEMISTRY