Isao Hayakawa

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Substituted pyrrolidine derivative
- Patent number 8,455,482
- Issue date Jun 4, 2013
- Daiichi Sankyo Company, Limited
- Hisashi Takahashi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Substituted pyrrolidine derivative
- Patent number 7,977,327
- Issue date Jul 12, 2011
- Daiichi Sankyo Company, Limited
- Hisashi Takahashi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Dehalogeno-compounds
- Patent number 7,902,226
- Issue date Mar 8, 2011
- Daiichi Pharmaceutical Co., Ltd.
- Hisashi Takahashi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Optically active pyridonecarboxylic acid derivatives
- Patent number RE41149
- Issue date Feb 23, 2010
- Daiichi Sankyo Company, Limited
- Isao Hayakawa
- 514 - Drug, bio-affecting and body treating compositions
Information Patent Grant
Quinolonecarboxylic acid derivative
- Patent number 6,900,225
- Issue date May 31, 2005
- Daiichi Pharmaceutical Co., Ltd.
- Makoto Takemura
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Cycloalkyl-substituted aminomethylpyrrolidine derivatives
- Patent number 6,573,260
- Issue date Jun 3, 2003
- Daiichi Pharmaceutical Co., Ltd.
- Makoto Takemura
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Optically active pyridonecarboxylic acid derivatives
- Patent number 6,031,102
- Issue date Feb 29, 2000
- Daiichi Pharmaceutical Co., Ltd.
- Isao Hayakawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Optically active pyridonecarboxylic acid derivatives
- Patent number 5,767,127
- Issue date Jun 16, 1998
- Daiichi Pharmaceutical Co., Ltd.
- Isao Hayakawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Pyridonecarboxylic acid derivatives
- Patent number 5,696,132
- Issue date Dec 9, 1997
- Daiichi Pharmaceutical Co., Ltd.
- Isao Hayakawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Optically active pyridonecarboxylic acid derivatives
- Patent number 5,587,386
- Issue date Dec 24, 1996
- Daiichi Pharmaceutical Co., Ltd.
- Isao Hayakawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Spiro compound
- Patent number 5,508,428
- Issue date Apr 16, 1996
- Daiichi Phamaceutical Co., Ltd.
- Isao Hayakawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Intermediates for pyridonecarboxylic acid derivatives
- Patent number 5,476,950
- Issue date Dec 19, 1995
- Daiichi Seiyaku Co., Ltd.
- Isao Hayakawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Optically active pyridobenzoxazine derivatives
- Patent number 5,463,053
- Issue date Oct 31, 1995
- Daiichi Pharmaceutical Co., Ltd.
- Isao Hayakawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
3-pyrrolidine methanamines wherein the alpha-carbon is substituted...
- Patent number 5,416,222
- Issue date May 16, 1995
- Daiichi Seiyaku Co., Ltd.
- Isao Hayakawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Intermediates for pyridonecarboxylic acid derivatives
- Patent number 5,380,874
- Issue date Jan 10, 1995
- Daiichi Seiyaku Co., Ltd.
- Isao Hayakawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Spiro compound
- Patent number 5,286,723
- Issue date Feb 15, 1994
- Daiichi Seiyaku Co., Ltd.
- Isao Hayakawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Optically active pyridobenzoxazine derivatives and intermediates th...
- Patent number 5,142,046
- Issue date Aug 25, 1992
- Daiichi Pharmaceutical Co., Ltd.
- Isao Hayakawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Pyridonecarboxylic acid derivatives
- Patent number 5,098,912
- Issue date Mar 24, 1992
- Daiichi Seiyaku Co., Ltd.
- Isao Hayakawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Optically active pyridobenzoxazine derivatives and anti-microbial use
- Patent number 5,053,407
- Issue date Oct 1, 1991
- Daiichi Pharmaceutical Co., Ltd.
- Isao Hayakawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Optically active pyridobenzoxazine derivatives and intermediates th...
- Patent number 4,985,557
- Issue date Jan 15, 1991
- Daiichi Seiyaku Co., Ltd.
- Isao Hayakawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Benzoxazine intermediates
- Patent number 4,895,944
- Issue date Jan 23, 1990
- Daiichi Seiyaku Company, Ltd.
- Isao Hayakawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Quinoline-carboxylic acid derivatives
- Patent number 4,871,852
- Issue date Oct 3, 1989
- Daiichi Seiyaku Co., Ltd.
- Isao Hayakawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Pyridobenzoxazine derivatives useful as antibacterial agents
- Patent number 4,539,401
- Issue date Sep 3, 1985
- Daiichi Seiyaku Co., Ltd.
- Isao Hayakawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Benzoquinolizine derivatives
- Patent number 4,535,161
- Issue date Aug 13, 1985
- Daiichi Seiyaku Co., Ltd.
- Isao Hayakawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Benzoxazine derivatives
- Patent number 4,382,892
- Issue date May 10, 1983
- Daiichi Seiyaku Co., Ltd.
- Isao Hayakawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Furonaphthyridine compounds
- Patent number 4,293,695
- Issue date Oct 6, 1981
- Daiichi Seiyaku Co., Ltd.
- Yoshiaki Tanaka
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
NOVEL COMPOUND WITH ANTIBACTERIAL ACTIVITY
- Publication number 20160257651
- Publication date Sep 8, 2016
- Juntendo Educational Foundation
- Keiichi HIRAMATSU
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Substituted Pyrrolidine Derivative
- Publication number 20080045520
- Publication date Feb 21, 2008
- DAIICHI PHARMACEUTICAL CO., LTD.
- Hisashi Takahashi
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Dehalogeno-compounds
- Publication number 20070123560
- Publication date May 31, 2007
- DAIICHI PHARMACEUTICAL CO., LTD.
- Hisashi Takahashi
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Quinolonecarboxylic acid derivatives
- Publication number 20040142957
- Publication date Jul 22, 2004
- DAIICHI PHARMACEUTICAL CO., LTD.
- Makoto Takemura
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Antimicrobial drug reduced in effect on heart
- Publication number 20040097515
- Publication date May 20, 2004
- Hisashi Takahashi
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Dehalogeno compounds
- Publication number 20040063754
- Publication date Apr 1, 2004
- Hisashi Takahashi
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Quinolonecarboxylic acid derivative
- Publication number 20030187008
- Publication date Oct 2, 2003
- Makoto Takemura
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Isao Hayakawa

Person

Patents Grantslast 30 patents

Substituted pyrrolidine derivative

Substituted pyrrolidine derivative

Dehalogeno-compounds

Optically active pyridonecarboxylic acid derivatives

Quinolonecarboxylic acid derivative

Cycloalkyl-substituted aminomethylpyrrolidine derivatives

Optically active pyridonecarboxylic acid derivatives

Optically active pyridonecarboxylic acid derivatives

Pyridonecarboxylic acid derivatives

Optically active pyridonecarboxylic acid derivatives

Spiro compound

Intermediates for pyridonecarboxylic acid derivatives

Optically active pyridobenzoxazine derivatives

3-pyrrolidine methanamines wherein the alpha-carbon is substituted...

Intermediates for pyridonecarboxylic acid derivatives

Spiro compound

Optically active pyridobenzoxazine derivatives and intermediates th...

Pyridonecarboxylic acid derivatives

Optically active pyridobenzoxazine derivatives and anti-microbial use

Optically active pyridobenzoxazine derivatives and intermediates th...

Benzoxazine intermediates

Quinoline-carboxylic acid derivatives

Pyridobenzoxazine derivatives useful as antibacterial agents

Benzoquinolizine derivatives

Benzoxazine derivatives

Furonaphthyridine compounds

Patents Applicationslast 30 patents

NOVEL COMPOUND WITH ANTIBACTERIAL ACTIVITY

Substituted Pyrrolidine Derivative

Dehalogeno-compounds

Quinolonecarboxylic acid derivatives

Antimicrobial drug reduced in effect on heart

Dehalogeno compounds

Quinolonecarboxylic acid derivative