Yasuyoshi Sawaguri

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Chiba, JP

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus and method for removing impurities from aqueous hydrogen...
- Patent number 5,906,738
- Issue date May 25, 1999
- Sumitomo Chemical Company, Ltd.
- Akira Morisaki
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Purification of hydrogen peroxide solution
- Patent number 5,200,166
- Issue date Apr 6, 1993
- Sumitomo Chemical Co., Ltd.
- Shujiro Shiga
- C01 - INORGANIC CHEMISTRY