Yoshie Souma

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Ibaraki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for synthesis of tertiary carboxylic acids and the esters t...
- Patent number 6,011,171
- Issue date Jan 4, 2000
- Jiro Hiraishi, Director-General, Agency of Industrial Science and Technology
- Qiang Xu
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Formylated alklbenzenesulfonyl halide compound and process for prep...
- Patent number 5,095,150
- Issue date Mar 10, 1992
- Agency of Industrial Science and Technology
- Yoshie Souma
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Formylated alkylbenzenesulfonyl halide compound
- Patent number 5,030,752
- Issue date Jul 9, 1991
- Agency of Industrial Science and Technology
- Yoshie Souma
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing lactones
- Patent number 4,990,629
- Issue date Feb 5, 1991
- Agency of Industrial Science and Technology
- Yoshie Souma
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparation of aromatic sulfone compounds
- Patent number 4,950,793
- Issue date Aug 21, 1990
- Agency of Industrial Science and Technology
- Yoshie Souma
- C07 - ORGANIC CHEMISTRY