Jun Nitta

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Namekawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Pyridone carboxylic acid derivatives and salts thereof, process for...
- Patent number 4,990,508
- Issue date Feb 5, 1991
- Toyama Chemical Co., Ltd.
- Hirokazu Narita
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
4-oxo-1,4-dihydronicotinic acid derivatives, salts thereof, and ant...
- Patent number 4,698,352
- Issue date Oct 6, 1987
- Toyama Chemical Co., Ltd.
- Hirokazu Narita
- 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

Pyridone carboxylic acid derivatives and salts thereof, process for...

4-oxo-1,4-dihydronicotinic acid derivatives, salts thereof, and ant...

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...