Tetsuo Iwama

Follow

Person

Ibaraki, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Tetrahydro-alkenyl-methanonaphthalene-5,8-dione derivatives
- Patent number 5,686,635
- Issue date Nov 11, 1997
- Eisai Chemical Co., Ltd.
- Kimio Hamamura
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of quinone derivative
- Patent number 5,677,471
- Issue date Oct 14, 1997
- Eisai Chemical Co., Ltd.
- Kimio Hamamura
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of a quinone derivative
- Patent number 5,476,955
- Issue date Dec 19, 1995
- Eisai Chemical Co., Ltd.
- Kimio Hamamura
- C07 - ORGANIC CHEMISTRY