Membership
Tour
Register
Log in
Ryuko Takeno
Follow
Person
Toyama, JP
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
4H-1-benzopyran-4-one derivative or its salt, process for producing...
Patent number
4,954,518
Issue date
Sep 4, 1990
Toyama Chemical Company, Ltd.
Shuntaro Takano
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Novel process for producing a cephalosporin
Patent number
4,736,026
Issue date
Apr 5, 1988
Toyama Chemical Co., Ltd.
Hiroyuki Imaizumi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Novel process for producing 2-(2-aminothiazol-4-yl)glyoxylic acid d...
Patent number
4,667,040
Issue date
May 19, 1987
Toyama Chemical Co., Ltd.
Hiroshi Sadaki
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Aminothiazole intermediate for a cephalosporin
Patent number
4,656,287
Issue date
Apr 7, 1987
Toyoma Chemical Co., Ltd.
Hiroyuki Imaizumi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing 2-(2-aminothiazol-4-yl)glyoxylic acid derivat...
Patent number
4,563,534
Issue date
Jan 7, 1986
Toyama Chemical Co., Ltd.
Hiroshi Sadaki
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