Issei Ohtsuka

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Ibaraki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Phosphonic acid derivatives
- Patent number 5,719,303
- Issue date Feb 17, 1998
- Eisai Co., Ltd.
- Ichirou Yoshida
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Trisubstituted benzene derivatives, composition and methods of trea...
- Patent number 5,668,136
- Issue date Sep 16, 1997
- Eisai Co., Ltd.
- Teiji Kimura
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Benzene derivatives and method of treating arteriosclerosis with be...
- Patent number 5,462,958
- Issue date Oct 31, 1995
- Eisai Co., Ltd.
- Kenji Hayashi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Phosphorus-containing isoprenoid derivatives
- Patent number 5,453,524
- Issue date Sep 26, 1995
- Eisai Co., Ltd.
- Katsuya Tagami
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Hydantoin derivatives and medicines containing the same
- Patent number 4,874,869
- Issue date Oct 17, 1989
- Eisai Co., Ltd.
- Kouichiro Ueda
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Hydantoin derivatives for treating complications of diabetes
- Patent number 4,780,472
- Issue date Oct 25, 1988
- Eisai Co., Ltd.
- Kouichiro Ueda
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Treating complications of diabetes mellitus with hydantoin derivatives
- Patent number 4,540,704
- Issue date Sep 10, 1985
- Eisai Co., Ltd.
- Kouichiro Ueda
- C07 - ORGANIC CHEMISTRY