Tadashi Hirata

Person

Kanagawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Anti-tumor DC-52 derivatives
- Patent number 4,946,957
- Issue date Aug 7, 1990
- Kyowa Hakko Kogyo Co., Ltd.
- Hiromitsu Saito
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Derivatives of physiologically active substance K-252
- Patent number 4,923,986
- Issue date May 8, 1990
- Kyowa Hakko Kogyo Co., Ltd.
- Chikara Murakata
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Anti-tumor DC-52 compounds
- Patent number 4,879,386
- Issue date Nov 7, 1989
- Kyowa Hakko Kogyo Co., Ltd.
- Hiromitsu Saito
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
DC-52 derivatives and their antitumor use
- Patent number 4,822,882
- Issue date Apr 18, 1989
- Kyowa Hakko Kogyo Co., Ltd.
- Hiromitsu Saito
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Optically active carbacephems
- Patent number 4,755,596
- Issue date Jul 5, 1988
- Kyowa Hakko Kogyo Co., Ltd.
- Tadashi Hirata
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Optically active 3-halo carbacephems
- Patent number 4,734,494
- Issue date Mar 29, 1988
- Kyowa Hakko Kogyo Co., Ltd.
- Tadashi Hirata
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
3-position halogenated cephalosporin analogs and pharmaceutical com...
- Patent number 4,708,956
- Issue date Nov 24, 1987
- Kyowa Hakko Kogyo Co., Ltd.
- Tadashi Hirata
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
.beta.-lactam compound and a pharmaceutical composition containing...
- Patent number 4,694,001
- Issue date Sep 15, 1987
- Kyowa Hakko Kogyo Co., Ltd.
- Tadashi Hirata
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Cardiotonic quinazoline derivatives
- Patent number 4,668,683
- Issue date May 26, 1987
- Kyowa Hakko Kogyo K.K.
- Haruki Takai
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Optically active cephalosporin analogs
- Patent number 4,663,450
- Issue date May 5, 1987
- Kyowa Hakko Kogyo Co., Ltd.
- Tadashi Hirata
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
DX-52-1 compounds and process for preparing the same
- Patent number 4,650,869
- Issue date Mar 17, 1987
- Kyowa Hakko Kogyo Co., Ltd.
- Tadashi Hirata
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
3-substituted carbacepem compounds having antibacterial effect
- Patent number 4,640,919
- Issue date Feb 3, 1987
- Kyowa Hakko Kogyo Co., Ltd.
- Kenichi Mochida
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Cyclopentenone compound and process for production thereof
- Patent number 4,618,687
- Issue date Oct 21, 1986
- Kyowa Hakko Kogyo Co., Ltd.
- Tadashi Hirata
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Cephalosporin analogs
- Patent number 4,343,943
- Issue date Aug 10, 1982
- Kyowa Hakko Kogyo Co., Ltd.
- Tadashi Hirata
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing optically active cephalosporin analogs
- Patent number 4,335,211
- Issue date Jun 15, 1982
- Kyowa Hakko Kogyo Co., Ltd.
- Yukio Hashimoto
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing cephalosporin analogs
- Patent number 4,332,896
- Issue date Jun 1, 1982
- Kyowa Hakko Kogyo Co., Ltd.
- Yukio Hashimoto
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
2-Azetidinone 4-carboxy derivatives and a process for producing the...
- Patent number 4,322,345
- Issue date Mar 30, 1982
- Kyowa Hakko Kogyo Kabushiki Kaisha
- Tadashi Hirata
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing optically active cephalosporin analogs
- Patent number 4,316,958
- Issue date Feb 23, 1982
- Kyowa Hakko Kogyo Co., Ltd.
- Tadashi Hirata
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process of producing optically active cephalosporin analogs by enzy...
- Patent number 4,302,541
- Issue date Nov 24, 1981
- Kyowa Hakko Kogyo Co., Ltd.
- Tadashi Hirata
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process of producing optically active cephalosporin analogs by enzy...
- Patent number 4,302,540
- Issue date Nov 24, 1981
- Kyowa Hakko Kogyo Co., Ltd.
- Tadashi Hirata
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Cephalosporin analogs and methods for production thereof
- Patent number 4,291,164
- Issue date Sep 22, 1981
- Kyowa Hakko Kogyo Co., Ltd.
- Tadashi Hirata
- C07 - ORGANIC CHEMISTRY

Tadashi Hirata

Person

Patents Grantslast 30 patents

Anti-tumor DC-52 derivatives

Derivatives of physiologically active substance K-252

Anti-tumor DC-52 compounds

DC-52 derivatives and their antitumor use

Optically active carbacephems

Optically active 3-halo carbacephems

3-position halogenated cephalosporin analogs and pharmaceutical com...

.beta.-lactam compound and a pharmaceutical composition containing...

Cardiotonic quinazoline derivatives

Optically active cephalosporin analogs

DX-52-1 compounds and process for preparing the same

3-substituted carbacepem compounds having antibacterial effect

Cyclopentenone compound and process for production thereof

Cephalosporin analogs

Process for producing optically active cephalosporin analogs

Process for producing cephalosporin analogs

2-Azetidinone 4-carboxy derivatives and a process for producing the...

Process for producing optically active cephalosporin analogs

Process of producing optically active cephalosporin analogs by enzy...

Process of producing optically active cephalosporin analogs by enzy...

Cephalosporin analogs and methods for production thereof