Tamotsu Fujisawa

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Yamato, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for preparing thiophene derivatives
- Patent number 4,266,067
- Issue date May 5, 1981
- Sagami Chemical Research Center
- Tamotsu Fujisawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing thiophene derivatives and thiophene derivativ...
- Patent number 4,221,915
- Issue date Sep 9, 1980
- Sagami Chemical Research Center
- Kiyoshi Kondo
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of thiophene derivatives and thiophene...
- Patent number 4,219,659
- Issue date Aug 26, 1980
- Sagami Chemical Research Center
- Tamotsu Fujisawa
- C07 - ORGANIC CHEMISTRY