Norio Takeda

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Saitama, JP

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Patents Grantslast 30 patents

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
Information Patent Grant
Process for producing hydrazine sulfate
- Patent number 4,239,741
- Issue date Dec 16, 1980
- Mitsubishi Gas Chemical Company, Inc.
- Tomiya Isshiki
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for producing imine compounds
- Patent number 4,130,586
- Issue date Dec 19, 1978
- Mitsubishi Gas Chemical Company, Inc.
- Tomiya Isshiki