Shujiro Shiga

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Chiba, JP

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Patents Grantslast 30 patents

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
Information Patent Grant
Metallic ion sorber
- Patent number 5,115,036
- Issue date May 19, 1992
- Sumitomo Chemical Co., Ltd.
- Shujiro Shiga
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for sorbing metallic ions using ethylene-N,N-dialkyl aminoal...
- Patent number 5,064,879
- Issue date Nov 12, 1991
- Sumitomo Chemical Co., Ltd.
- Shujiro Shiga
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for catalytically reducing nitrogen oxides using moving cata...
- Patent number 4,186,177
- Issue date Jan 29, 1980
- Sumitomo Chemical Company, Limited
- Shujiro Shiga
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL