Yasuo Kiba

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
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
Information Patent Grant
N-acyl acidic amino acid diamide derivative, a salt thereof, and an...
- Patent number 4,610,983
- Issue date Sep 9, 1986
- Toyama Chemical Co., Ltd.
- Noboru Takagawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Novel 1-(4-piperidiniobenzyl)-2,3-dioxopiperazine derivatives or ac...
- Patent number 4,477,664
- Issue date Oct 16, 1984
- Toyama Chemical Co., Ltd.
- Takako Hori
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
1-(4-Aminobenzyl)-2,3-dioxopiperazine derivatives, acid addition sa...
- Patent number 4,477,666
- Issue date Oct 16, 1984
- Toyama Chemical Co., Ltd.
- Takako Hori
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
1-(4-Aminobenzyl)-2,3-dioxopiperazine derivatives, acid addition sa...
- Patent number 4,460,774
- Issue date Jul 17, 1984
- Toyama Chemical Company, Limited
- Takako Hori
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
1-(4-Aminobenzyl)-2,3-dioxopiperazine derivatives and salts thereof
- Patent number 4,459,407
- Issue date Jul 10, 1984
- Toyama Chemical Co., Ltd.
- Takako Hori
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
4-[4-(Thiazolyl-amino)benzyl]-2,3-dioxopiperazine derivatives, acid...
- Patent number 4,448,963
- Issue date May 15, 1984
- Toyama Chemical Co., Ltd.
- Takako Hori
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
1-(4-Aminobenzyl)-2,3-dioxopiperazine derivatives, acid addition sa...
- Patent number 4,436,921
- Issue date Mar 13, 1984
- Toyama Chemical Co., Ltd.
- Takako Hori
- C07 - ORGANIC CHEMISTRY

Person

Patents Grantslast 30 patents

Amine derivatives, salts thereof, process for preparing the same an...

Novel amine derivatives, salts thereof and an anti-ulcer agent cont...

Intermediates for urea and thiourea derivatives

N-acyl acidic amino acid diamide derivative, a salt thereof, and an...

Novel 1-(4-piperidiniobenzyl)-2,3-dioxopiperazine derivatives or ac...

1-(4-Aminobenzyl)-2,3-dioxopiperazine derivatives, acid addition sa...

1-(4-Aminobenzyl)-2,3-dioxopiperazine derivatives, acid addition sa...

1-(4-Aminobenzyl)-2,3-dioxopiperazine derivatives and salts thereof

4-[4-(Thiazolyl-amino)benzyl]-2,3-dioxopiperazine derivatives, acid...

1-(4-Aminobenzyl)-2,3-dioxopiperazine derivatives, acid addition sa...