Yoshihide Masuda

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Patents Grantslast 30 patents

Information Patent Grant
Production of thiophene-2,5-dicarboxylic acid diesters, tetrahydrot...
- Patent number 5,310,940
- Issue date May 10, 1994
- Sumitomo Seika Chemicals Co., Ltd.
- Hiroshi Goda
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Production of dibenzoxazolylthiophenes
- Patent number 5,221,749
- Issue date Jun 22, 1993
- Sumitomo Seika Chemicals Co., Ltd.
- Hiroshi Goda
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Production of thiophene-2,5-dicarboxylic acid diesters, tetrahydrot...
- Patent number 5,093,504
- Issue date Mar 3, 1992
- Sumitomo Seika Chemicals, Co., Ltd.
- Hiroshi Goda
- C07 - ORGANIC CHEMISTRY