Yoshihisa Tokumasu

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Patents Grantslast 30 patents

Information Patent Grant
Regenerated sulfur recovery apparatus
- Patent number 8,025,719
- Issue date Sep 27, 2011
- Sumitomo Chemical Company, Limited
- Yoshihisa Tokumasu
- C01 - INORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
REGENERATED SULFUR RECOVERY APPARATUS
- Publication number 20090242379
- Publication date Oct 1, 2009
- Sumitomo Chemical Company, Limited
- Yoshihisa Tokumasu
- C01 - INORGANIC CHEMISTRY
Information Patent Application
Process for producing methionine
- Publication number 20070225523
- Publication date Sep 27, 2007
- Sumitomo Chemical Company, Limited
- Kazuo Fujita
- C07 - ORGANIC CHEMISTRY