Tadahiko Yorifuji

Follow

Person

Hyogo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Process for producing optically active chromene derivative
- Patent number 6,479,671
- Issue date Nov 12, 2002
- Shionogi & Co., Ltd.
- Toshiro Konoike
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Chromene-3-carboxylate derivatives
- Patent number 6,218,427
- Issue date Apr 17, 2001
- Shionogi & Co., Ltd.
- Natsuki Ishizuka
- C07 - ORGANIC CHEMISTRY