Hajime Iizuka

Person

Chiba-ken, JP

People

Patents Grantslast 30 patents

Information Patent Grant
L-nucleic acid derivatives and process for the synthesis thereof
- Patent number 7,125,983
- Issue date Oct 24, 2006
- Mitsui Chemicals, Inc.
- Hajime Iizuka
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Amino acid N-carboxyanhydrides with acyl substituents on nitrogen a...
- Patent number 6,670,447
- Issue date Dec 30, 2003
- Mitsui Chemicals, Inc.
- Hidetoshi Tsunoda
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for production of pyrrolidinone derivatives
- Patent number 6,555,694
- Issue date Apr 29, 2003
- Schering Aktiengesellschaft
- Hajime Iizuka
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for production of pyrrolidinone derivatives
- Patent number 6,207,825
- Issue date Mar 27, 2001
- Mitsui Chemicals, Inc.
- Hajime Iizuka
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Pyrrolidinone derivatives
- Patent number 5,969,138
- Issue date Oct 19, 1999
- Mitsui Chemicals, Inc.
- Naruyoshi Mita
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Pyrrolidinone derivatives
- Patent number 5,538,985
- Issue date Jul 23, 1996
- Mitsui Toatsu Chemicals, Inc.
- Hajime Iizuka
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Amide derivatives of dihydrocaffeic acid and their application to p...
- Patent number 5,338,745
- Issue date Aug 16, 1994
- Mitsui Toatsu Chemicals, Incorporation
- Nobuyuki Fukazawa
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Dihydrocaffeic acid derivatives and pharmaceutical preparation cont...
- Patent number 5,290,793
- Issue date Mar 1, 1994
- Mitsui Toatsu Chemicals, Incorporated
- Nobuyuki Fukazawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Dihydrocaffeic acid derivatives and pharmaceutical preparations con...
- Patent number 5,116,979
- Issue date May 26, 1992
- Mitsui Toatsu Chemicals, Incorporated
- Nobuyuki Fukazawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
(-)-2-pyrazoline compounds and therapeutic agent for cerebrovascula...
- Patent number 5,089,622
- Issue date Feb 18, 1992
- Mitsui Toatsu Chemicals Incorporated
- Seitaro Kajiya
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method of optically resolving (.+-.)-1-(3-pyridylcarbonyl)-5-methyl...
- Patent number 5,075,449
- Issue date Dec 24, 1991
- Mitsui Toatsu Chemicals, Inc.
- Seitaro Kajiya
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Pyrazolone derivatives for treating cerebrovascular diseases
- Patent number 4,990,529
- Issue date Feb 5, 1991
- Mitsui Toatsu Chemicals
- Hiroyuki Yamashita
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
6-acylaminophenyl-5-alkyl-4,5-dihydro-3(2H)-pyridazinone compounds...
- Patent number 4,965,263
- Issue date Oct 23, 1990
- Mitsui Toatsu Kagaku Kabushiki Kaisha
- Takashi Nishina
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing 1-acyl-2-pyrazoline derivative
- Patent number 4,895,947
- Issue date Jan 23, 1990
- Mitsui Toatsu Chemicals, Inc.
- Hiroyuki Yamashita
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Pyrazoline derivatives for treating cerebrovascular diseases
- Patent number 4,839,376
- Issue date Jun 13, 1989
- Mitsui Toatsu Chemicals, Inc.
- Hiroyuki Yamashita
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Pyridazinone derivatives
- Patent number 4,639,451
- Issue date Jan 27, 1987
- Mitsui Toatsu Kagaku Kabushiki Kaisha
- Tsutomu Katakami
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Benzothiazepine derivatives and their methods of preparation
- Patent number 4,539,150
- Issue date Sep 3, 1985
- Mitsui Toatsu Chemicals, Inc.
- Tsutomu Katakami
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Benzothiazepine derivatives and their method of preparation
- Patent number 4,539,151
- Issue date Sep 3, 1985
- Mitsui Toatsu Chemicals, Inc.
- Tsutomu Katakami
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing 6-(substituted phenyl)-4,5-dihydro-3(2H)-pyri...
- Patent number 4,523,011
- Issue date Jun 11, 1985
- Mitsui Toatsu Kagaku Kabushiki Kaisha
- Tsutomu Katakami
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
6-(Substituted phenyl)-4,5-dihydro-3(2H)-pyridazinone compounds
- Patent number 4,521,415
- Issue date Jun 4, 1985
- Mitsui Toatsu Kagaku Kabushiki Kaisha
- Tsutomu Katakami
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
L-nucleic acid derivative and processes for the synthesis thereof
- Publication number 20040063926
- Publication date Apr 1, 2004
- Hajime Iizuka
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Pyrrolidinone derivative compound
- Publication number 20030171578
- Publication date Sep 11, 2003
- SCHERING AKTIENGESELLSCHAFT
- Hajime Iizuka
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Amino acid-n-carboxy anhydrides hvaing substituent at nitrogen
- Publication number 20020173664
- Publication date Nov 21, 2002
- Hidetoshi Tsunoda
- C07 - ORGANIC CHEMISTRY

Hajime Iizuka

Person

Patents Grantslast 30 patents

L-nucleic acid derivatives and process for the synthesis thereof

Amino acid N-carboxyanhydrides with acyl substituents on nitrogen a...

Method for production of pyrrolidinone derivatives

Method for production of pyrrolidinone derivatives

Pyrrolidinone derivatives

Pyrrolidinone derivatives

Amide derivatives of dihydrocaffeic acid and their application to p...

Dihydrocaffeic acid derivatives and pharmaceutical preparation cont...

Dihydrocaffeic acid derivatives and pharmaceutical preparations con...

(-)-2-pyrazoline compounds and therapeutic agent for cerebrovascula...

Method of optically resolving (.+-.)-1-(3-pyridylcarbonyl)-5-methyl...

Pyrazolone derivatives for treating cerebrovascular diseases

6-acylaminophenyl-5-alkyl-4,5-dihydro-3(2H)-pyridazinone compounds...

Process for producing 1-acyl-2-pyrazoline derivative

Pyrazoline derivatives for treating cerebrovascular diseases

Pyridazinone derivatives

Benzothiazepine derivatives and their methods of preparation

Benzothiazepine derivatives and their method of preparation

Process for preparing 6-(substituted phenyl)-4,5-dihydro-3(2H)-pyri...

6-(Substituted phenyl)-4,5-dihydro-3(2H)-pyridazinone compounds

Patents Applicationslast 30 patents

L-nucleic acid derivative and processes for the synthesis thereof

Pyrrolidinone derivative compound

Amino acid-n-carboxy anhydrides hvaing substituent at nitrogen