Kenji Hirai

Person

Sagamihara, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Aldehyde scavenger and method for removing aldehydes
- Patent number 11,439,721
- Issue date Sep 13, 2022
- Tosoh Corporation
- Yukinori Sudo
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Polycyclic pyrazolinone derivative and herbicide comprising same as...
- Patent number 9,580,444
- Issue date Feb 28, 2017
- Sagami Chemical Research Institute
- Osamu Kobayashi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing 1-substituted-3-fluoroalkylpyrazole-4-carboxy...
- Patent number 7,863,460
- Issue date Jan 4, 2011
- Sagami Chemical Research Center
- Hidenori Aihara
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Pyrazole-1-carboxylate derivatives, process for the production ther...
- Patent number 7,767,827
- Issue date Aug 3, 2010
- Kaken Pharmaceutical Co., Ltd.
- Atsushi Uchida
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Pyrazole derivative, intermediate therefor, processes for producing...
- Patent number 7,700,786
- Issue date Apr 20, 2010
- Sagami Chemical Research Center
- Kenji Hirai
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Insecticidal/acaricidal agents
- Patent number 6,548,511
- Issue date Apr 15, 2003
- Sagami Chemical Research Center
- Kenji Hirai
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Process for the preparation of 3-(substituted phenyl)-5-alkylidene-...
- Patent number 6,090,946
- Issue date Jul 18, 2000
- Sagami Chemical Research Center
- Kenji Hirai
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing 2-(halomethyl)phenylacetic acid esters
- Patent number 5,886,211
- Issue date Mar 23, 1999
- Sagami Chemical Research Center
- Kenji Hirai
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Hydantoin derivatives and herbicides containing said derivatives as...
- Patent number 5,883,049
- Issue date Mar 16, 1999
- Sagami Chemical Research Center
- Kenji Hirai
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the production of aniline derivatives
- Patent number 5,639,915
- Issue date Jun 17, 1997
- Sagami Chemical Research Center
- Kenji Hirai
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
4-imino-oxazolidine-2-one derivatives, a process for producing such...
- Patent number 5,612,289
- Issue date Mar 18, 1997
- Sagami Chemical Research Center
- Kenji Hirai
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Tetrahydrophthalamide derivative, intermediate for producing the sa...
- Patent number 5,554,581
- Issue date Sep 10, 1996
- Sagami Chemical Research Center
- Kenji Hirai
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Tetrahydrophthalamide derivative, intermediate for producing the sa...
- Patent number 5,506,190
- Issue date Apr 9, 1996
- Sagami Chemical Research Center
- Kenji Hirai
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Benzene derivatives substituted with heterocyclic ring and herbicid...
- Patent number 5,464,811
- Issue date Nov 7, 1995
- Sagami Chemical Research Center
- Kenji Hirai
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Benzene derivatives substituted with heterocyclic ring, and herbici...
- Patent number 5,424,277
- Issue date Jun 13, 1995
- Sagami Chemical Research Center
- Kenji Hirai
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Methods of preparing fluorobenzene derivatives and related compounds
- Patent number 5,391,807
- Issue date Feb 21, 1995
- Sagami Chemical Research Center
- Kenji Hirai
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Fluorobenzene derivatives
- Patent number 5,344,953
- Issue date Sep 6, 1994
- Sagami Chemical Research Center
- Kenji Hirai
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Bis(fluorophenyl) carbonate derivatives
- Patent number 5,281,742
- Issue date Jan 25, 1994
- Sagami Chemical Research Center
- Kenji Hirai
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Benzoxazinone compounds and herbicidal composition containing the same
- Patent number 5,198,013
- Issue date Mar 30, 1993
- Sagami Chemical Research Center
- Kenji Hirai
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Oxazolidinedione compounds, the process for preparing the same and...
- Patent number 5,100,457
- Issue date Mar 31, 1992
- Sagami Chemical Research Center
- Kenji Hirai
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing 2-chloro-4-fluorophenol
- Patent number 5,053,557
- Issue date Oct 1, 1991
- Sagami Chemical Research Center
- Kenji Hirai
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing 2-oxo-3-aromatic carboxylic acid derivatives
- Patent number 5,028,738
- Issue date Jul 2, 1991
- Sagami Chemical Research Center
- Kenji Hirai
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Herbicidal composition and herbicidal method
- Patent number 5,024,692
- Issue date Jun 18, 1991
- Kaken Pharmaceutical Co., Ltd.
- Shoin Nagato
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Oxazolidinedione derivatives, method of producing the derivatives,...
- Patent number 4,983,751
- Issue date Jan 8, 1991
- Sagami Chemical Research Center
- Kenji Hirai
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Herbicidal hydantoin derivatives
- Patent number 4,902,337
- Issue date Feb 20, 1990
- Sagami Chemical Research
- Kenji Hirai
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
L-phenylalanine dehydrogenase and use thereof
- Patent number 4,849,345
- Issue date Jul 18, 1989
- Sagami Chemical Research Center
- Yasuhisa Asano
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Grant
Oxazolidinedione derivatives, method of producing the derivatives,...
- Patent number 4,818,272
- Issue date Apr 4, 1989
- Sagami Chemical Research Center
- Kenji Hirai
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Catalyst and method for isomerization
- Patent number 4,621,150
- Issue date Nov 4, 1986
- Sagami Chemical Research Center
- Kenji Hirai
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for production of N-acyl-.alpha.-amino acids
- Patent number 4,497,964
- Issue date Feb 5, 1985
- Sagami Chemical Research Center
- Iwao Ojima
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
ALDEHYDE SCAVENGER AND METHOD FOR REMOVING ALDEHYDES
- Publication number 20200061225
- Publication date Feb 27, 2020
- TOSOH CORPORATION
- Yukinori SUDO
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
POLYCYCLIC PYRAZOLINONE DERIVATIVE AND HERBICIDE COMPRISING SAME AS...
- Publication number 20160024110
- Publication date Jan 28, 2016
- Kaken Pharmaceutical Co., Ltd.
- Osamu KOBAYASHI
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Application
PYRAZOLE DERIVATIVE, INTERMEDIATE THEREFOR, PROCESSES FOR PRODUCING...
- Publication number 20100152443
- Publication date Jun 17, 2010
- Sagami Chemical Research Center
- Kenji Hirai
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Application
PYRAZOLE-1-CARBOXYLATE DERIVATIVES, PROCESS FOR THE PRODUCTION THER...
- Publication number 20090018345
- Publication date Jan 15, 2009
- Kaken Pharmaceutical Co., Ltd.
- Atsushi Uchida
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Process for Producing 1-Substituted-3-Fluoroalkylpyrazole-4-Carboxy...
- Publication number 20080154045
- Publication date Jun 26, 2008
- Sagami Chemical researckh Center
- Hidenori Aihara
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Pyrazole derivative, intermediate therefor, processes for producing...
- Publication number 20050070441
- Publication date Mar 31, 2005
- Kenji Hirai
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING

Kenji Hirai

Person

Patents Grantslast 30 patents

Aldehyde scavenger and method for removing aldehydes

Polycyclic pyrazolinone derivative and herbicide comprising same as...

Process for producing 1-substituted-3-fluoroalkylpyrazole-4-carboxy...

Pyrazole-1-carboxylate derivatives, process for the production ther...

Pyrazole derivative, intermediate therefor, processes for producing...

Insecticidal/acaricidal agents

Process for the preparation of 3-(substituted phenyl)-5-alkylidene-...

Process for producing 2-(halomethyl)phenylacetic acid esters

Hydantoin derivatives and herbicides containing said derivatives as...

Process for the production of aniline derivatives

4-imino-oxazolidine-2-one derivatives, a process for producing such...

Tetrahydrophthalamide derivative, intermediate for producing the sa...

Tetrahydrophthalamide derivative, intermediate for producing the sa...

Benzene derivatives substituted with heterocyclic ring and herbicid...

Benzene derivatives substituted with heterocyclic ring, and herbici...

Methods of preparing fluorobenzene derivatives and related compounds

Fluorobenzene derivatives

Bis(fluorophenyl) carbonate derivatives

Benzoxazinone compounds and herbicidal composition containing the same

Oxazolidinedione compounds, the process for preparing the same and...

Process for preparing 2-chloro-4-fluorophenol

Process for producing 2-oxo-3-aromatic carboxylic acid derivatives

Herbicidal composition and herbicidal method

Oxazolidinedione derivatives, method of producing the derivatives,...

Herbicidal hydantoin derivatives

L-phenylalanine dehydrogenase and use thereof

Oxazolidinedione derivatives, method of producing the derivatives,...

Catalyst and method for isomerization

Process for production of N-acyl-.alpha.-amino acids

Patents Applicationslast 30 patents

ALDEHYDE SCAVENGER AND METHOD FOR REMOVING ALDEHYDES

POLYCYCLIC PYRAZOLINONE DERIVATIVE AND HERBICIDE COMPRISING SAME AS...

PYRAZOLE DERIVATIVE, INTERMEDIATE THEREFOR, PROCESSES FOR PRODUCING...

PYRAZOLE-1-CARBOXYLATE DERIVATIVES, PROCESS FOR THE PRODUCTION THER...

Process for Producing 1-Substituted-3-Fluoroalkylpyrazole-4-Carboxy...

Pyrazole derivative, intermediate therefor, processes for producing...