Tetsuo Tomita

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Phosphine compound, complex containing the phosphine compound as li...
- Patent number 5,530,150
- Issue date Jun 25, 1996
- Takasago International Corporation
- Hidemasa Takaya
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing 4-hydroxy-2,4,6-trimethylcyclohexa-2,5-diene-...
- Patent number 4,477,682
- Issue date Oct 16, 1984
- Mitsubishi Gas Chemical Company, Inc.
- Tetsuo Tomita
- 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