Toshiaki Kohzaki

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Matsudo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for producing a purified hydrazine hydrate
- Patent number 4,963,232
- Issue date Oct 16, 1990
- Mitsubishi Gas Chemical Company, Inc.
- Yasuhisa Kuriyama
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for producing benzophenone-azine
- Patent number 4,751,326
- Issue date Jun 14, 1988
- Mitsubishi Gas Chemical Company, Inc.
- Takanari Nawata
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing benzophenone-azines
- Patent number 4,727,190
- Issue date Feb 23, 1988
- Mitsubishi Gas Chemical Company, Inc.
- Takanari Nawata
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing benzophenone-azines
- Patent number 4,347,383
- Issue date Aug 31, 1982
- Mitsubishi Gas Chemical Company, Inc.
- Tomiya Isshiki
- C07 - ORGANIC CHEMISTRY