Yukihisa Takisawa

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for preparing alcohols
- Patent number 4,958,033
- Issue date Sep 18, 1990
- Sumitomo Chemical Company, Limited
- Yukihisa Takisawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Ascorbic acid or erythorbic acid derivatives
- Patent number 4,822,898
- Issue date Apr 18, 1989
- Sumitomo Chemical Company, Limited
- Kazuo Kamaya
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing cyclopentenolones
- Patent number 4,398,043
- Issue date Aug 9, 1983
- Sumitomo Chemical Company, Limited
- Kenji Saito
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
2-Substituted-4,6-di-t-butylresorcinol
- Patent number 4,398,047
- Issue date Aug 9, 1983
- Sumitomo Chemical Company, Limited
- Yukihisa Takisawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Production of furfuryl alcohols
- Patent number 4,352,756
- Issue date Oct 5, 1982
- Sumitomo Chemical Company, Limited
- Yukihisa Takisawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of resorcinol derivatives
- Patent number 4,337,370
- Issue date Jun 29, 1982
- Sumitomo Chemical Company, Limited
- Yukihisa Takisawa
- C07 - ORGANIC CHEMISTRY