Inventor

Hiroyuki Nohira

Inventor

Urawa, JP

Overview

1982–2008

Patent span

Chemistry

Primary field (CPC C)

Patents· 45 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

C07Cprimary

C07CAcyclic or carbocyclic compounds33%

C09KMaterials for miscellaneous applications, not provided for elsewhere27%

C07DHeterocyclic compounds17%

C07BGeneral methods of organic chemistry8%

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium8%

B01JChemical or physical processes, e.g. catalysis or colloid chemistry3%

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds3%

C25BElectrolytic or electrophoretic processes for the production of compounds or non-metals1%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein1%

PatentTitleYear

7,385,080'Method for producing optically active Î²-phenylalanine compounds'2008 6,603,032'1,2-bis(methyl(1,1,3,3-tetramethylbutyl)-phosphino)ethane, process the preparation thereof, transition metal complexes containing the same as a ligand and uses thereof'2003 6,214,196'Method of producing bisphosphine oxide'2001 6,177,591'Optically active phosphine oxide carboxylic acid and method of producing the same'2001 6,121,494'Method of producing optically active vinyl phosphine oxide'2000 6,093,846'Process for preparing optically active 2-hydroxy-methyl-3-phenylpropionic acid'2000 6,069,270'Optical resolution method of (.+-.)-3,4-dihydroxybutanoic acid'2000 6,028,217'Optically active salts of 2-hydroxymethyl-3-phenylpropionic acid with cis-1-amino-2-indanol, .alpha.-methylbenzylamine, or 3-methyl-2-phenyl-1-butylamine'2000 5,852,209'Process for optically resolving 2-(3-benzoylphenyl) propionic acid'1998 5,830,386'Optically active compound, liquid crystal composition, device, display apparatus and display method'1998 5,792,869'Process for preparing optically active piperazine derivatives and Intermediates for preparation'1998 5,720,898'Mesomorphic compound, liquid crystal composition and liquid crystal device'1998 5,690,858'Mesomorphic compound, liquid crystal composition and liquid crystal device'1997 5,686,020'Mesomorphic compound, liquid crystal composition, liquid crystal device, display apparatus and display method'1997 5,556,998'Transition metal complex, process for the preparation of the same, and asymmetric hydrogenation catalyst comprising the same'1996 5,371,282'Process for optical resolution of (+)-cis-4-aminocyclopent-2-en-1-carboxylic acid derivative'1994 5,328,639'Fluoroalkane derivative, its composition and liquid crystal device using the same'1994 5,321,154'Optical resolution of (.+-.)-2-(4-isobutylphenyl)-propionic acid'1994 5,281,362'Optically active compound, liquid crystal composition, liquid crystal device, display apparatus and display method'1994 5,217,644'Mesomorphic compound, liquid crystal composition containing same, liquid crystal device using same and display apparatus'1993 5,194,177'Optically active compound, liquid crystal composition, liquid crystal device, display apparatus and display method'1993 5,191,112'Process for optical resolution of (.+-.)-2-(3-benzoyl)-phenylpropionic acid'1993 5,171,470'Bifunctional optically active liquid crystal intermediate compound, and process for preparing same'1992 5,126,071'Optically active compound, process for producing same and liquid crystal composition containing same'1992 5,098,600'Liquid crystal compound, liquid crystal composite including the compound and liquid crystal device utilizing the composite'1992 5,087,728'Process for producing carboxylic acids and esters thereof'1992 5,075,031'Mesomorphic compound and liquid crystal composition containing the same'1991 5,073,306'Optically active compound and liquid crystal composition containing same'1991 5,066,826'Process for racemization of optically active 4-phenylbutanoic acid esters'1991 5,021,593'Ruthenium-optically active phosphine complex'1991 4,999,130'Optically active compound, process for producing same and liquid crystal composition containing same'1991 4,978,666'Optically active piperazine derivative'1990 4,950,772'Method of racemization of optically active tetrahydrofuran-2-carboxylic acid'1990 4,918,213'Optically active compound and liquid crystal composition containing same'1990 4,917,817'Optical active compound, process for producing same and liquid crystal composition containing same'1990 4,904,822'Process for the optical resolution of (+)-2-hydroxy-4-phenylbutanoic acid'1990 4,904,410'Mesomorphic compound and liquid crystal composition containing same'1990 4,892,675'Optically active polymer and liquid crystal composition containing same'1990 4,873,018'Optically active compound, process for producing same and liquid crystal composition containing same'1989 4,867,903'Fluoroalkane derivative'1989 4,845,272'Process for the optical resolution of (.+-.)-cis or (.+-.)-trans-permethric acid'1989 4,798,680'Optically active compound, process for producing same and liquid crystal composition containing same'1989 4,621,151'Optical resolution of DL-cysteine'1986 4,376,213'Method for optical resolution of 2-(4-chlorophenyl)-3-methylbutanoic acid'1983 4,340,751'Method of optical resolution of (.+-.)-2-amino-1-butanol and/or (.+-.)-mandelic acid'1982

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1982–1998Patents assigned to NOHIRA HIROYUKI (4)· patent assignee history

1982–2001Based in Urawa, JP· patent location history

1986–2008Based in Saitama, JP· patent location history

1989–1998Patents assigned to CANON KK (21)· patent assignee history

1989–2000Patents assigned to KURARAY CO (5)· patent assignee history

1992–1998Based in Saitama-shi, JP· patent location history

2000–2003Patents assigned to NIPPON CHEMICAL IND (4)· patent assignee history

2000–2008Patents assigned to AJINOMOTO KK (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
CANON KK	21	1989–1998
KURARAY CO	5	1989–2000
NIPPON CHEMICAL IND	4	2000–2003
NOHIRA HIROYUKIself	4	1982–1998
AJINOMOTO KK	3	2000–2008

Locations

Location	Patents	Span
Urawa, JP	34	1982–2001
Saitama, JP	9	1986–2008
Saitama-shi, JP	2	1992–1998