Inventor

Yasuhiro Tsujii

Inventor

Kusatsu, JP

Overview

18→

Patents

1977–1992

Patent span

Chemistry

Primary field (CPC C)

Patents· 18 as inventor

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

C07Dprimary

C07DHeterocyclic compounds57%

C07CAcyclic or carbocyclic compounds17%

A01NPreservation of bodies of humans or animals or plants or parts thereof13%

B01JChemical or physical processes, e.g. catalysis or colloid chemistry4%

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium4%

E04BGeneral building constructions4%

PatentTitleYear

5,168,113'Mercapto-substituted pyridine compounds'1992 5,128,474'Mercapto-substituted pyridine compounds, aminocarbonyl-substituted pyridinesulfinic acid compounds and process for preparing the same'1992 4,929,729'Process for producing 2-amino-4,6-dichloropyrimidine'1990 4,762,928'Amino-trifluoromethylpyridine compound'1988 4,736,050'Process for preparing a S-substituted phosphoro-chloridothiolate'1988 4,563,529'Process for producing trifluoromethylpyridines'1986 4,490,534'Process for producing 3-chloro-5-trifluoromethylpyridines'1984 4,417,055'Process for producing a .beta.-trifluoromethylpyridine'1983 4,406,841'Process for producing 2,6-difluorobenzonitrile'1983 4,347,390'Process for producing 1-bromo-3,5-dichlorobenzene'1982 4,288,599'Process for producing pyridine derivatives having a trifluoromethyl group at .beta.-position thereof'1981 4,266,064'Process for producing chloro .beta.-trifluoromethylpyridines'1981 4,230,642'Process for producing 3,5-dichloro-.alpha.-methylstyrene'1980 4,138,436'Process for producing 3,5-dichloroaniline from 1-bromo-2,4-dichlorobenzene'1979 4,115,102'Pyridyl compound, herbicidal composition containing the same and method of use thereof'1978 4,092,151'Herbicidal compound, herbicidal composition containing the same and method of use thereof'1978 4,083,714'Alkoxyalkyl esters of substituted pyridyloxyphenoxy-2-propanoic acids, herbicidal composition containing the same and method of use thereof'1978 4,046,553'Herbicidal compound, herbicidal composition containing the same and method of use thereof'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–1992Patents assigned to ISHIHARA MINING & CHEMICAL CO (16)· patent assignee history

1977–1992Based in Kusatsu, JP· patent location history

1980Patents assigned to ISHIHARA SANGYO KAISHA (1)· patent assignee history

1981–1986Based in Moriyama, JP· patent location history

1992Patents assigned to AWAZU TAKAO (1)· patent assignee history

1992Patents assigned to HAGA TAKAHIRO (1)· patent assignee history

1992Patents assigned to ISOGAI TATSUO (1)· patent assignee history

1992Based in Shiga, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
ISHIHARA MINING & CHEMICAL CO	16	1977–1992
AWAZU TAKAO	1	1992
HAGA TAKAHIRO	1	1992
ISHIHARA SANGYO KAISHA	1	1980
ISOGAI TATSUO	1	1992

Locations

Location	Patents	Span
Kusatsu, JP	11	1977–1992
Moriyama, JP	6	1981–1986
Shiga, JP	1	1992