Kazuhiko Hashiba

Follow

Person

Toyama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Amine derivatives, salts thereof, process for preparing the same an...
- Patent number 5,120,746
- Issue date Jun 9, 1992
- Toyama Chemical Co., Ltd.
- Shiro Hirai
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Novel amine derivatives, salts thereof and an anti-ulcer agent cont...
- Patent number 4,923,882
- Issue date May 8, 1990
- Toyama Chemical Co., Ltd.
- Shiro Hirai
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Amine derivative and its salt and anti-ulcer agent containing the same
- Patent number 4,871,765
- Issue date Oct 3, 1989
- Toyama Chemical Co., Ltd.
- Shiro Hirai
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Intermediates for urea and thiourea derivatives
- Patent number 4,643,849
- Issue date Feb 17, 1987
- Toyama Chemical Co., Ltd.
- Shiro Hirai
- C07 - ORGANIC CHEMISTRY