Shigehumi Takeda

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Biphenyl derivative and preparation and use thereof
- Patent number 5,264,594
- Issue date Nov 23, 1993
- Tsumura & Co.
- Masayuki Kimura
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Novel biphenyl derivative and preparation and use thereof
- Patent number 4,996,331
- Issue date Feb 26, 1991
- Tsumura & Co.
- Masayuki Kimura
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Biphenyl derivative useful as a liver ailment moderating agent
- Patent number 4,925,872
- Issue date May 15, 1990
- Tsumura & Co.
- Masayuki Kimura
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Novel biphenyl derivative and preparation and use thereof
- Patent number 4,849,448
- Issue date Jul 18, 1989
- Tsumura Juntendo, Inc.
- Masayuki Kimura
- C07 - ORGANIC CHEMISTRY