Inventor

Kensei Yoshikawa

Inventor

Kitamoto, JP

Overview

10→

Patents

1980–1996

Patent span

Chemistry

Primary field (CPC C)

Patents· 10 as inventor

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

C07Cprimary

C07CAcyclic or carbocyclic compounds35%

C07DHeterocyclic compounds30%

A61PSpecific therapeutic activity of chemical compounds or medicinal preparations15%

A01NPreservation of bodies of humans or animals or plants or parts thereof5%

A61KPreparations for medical, dental or toiletry purposes5%

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium5%

C25BElectrolytic or electrophoretic processes for the production of compounds or non-metals5%

PatentTitleYear

5,521,311'5-aminoacetylaminosulfonanilide compounds'1996 5,449,826'5-amino-2-phenoxysulfonanilide compound'1995 5,374,764'5-aminosulfonanilide compounds'1994 4,937,360'N-substituted amide derivatives useful for treating liver diseases'1990 4,885,367'Sulfonanilide compounds'1989 4,557,871'Novel styrene derivatives of the general formula'1985 4,436,939'Process for producing 1-(p-prenylphenyl)ethanol'1984 4,433,160'Process for producing .alpha.-arylalkanoic acid ester'1984 4,420,631'Esters of the carboxylic acid'1983 4,189,607'Anilionotropone derivatives'1980

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1980–1996Patents assigned to TAISHO PHARMACEUTICAL CO LTD (10)· patent assignee history

1980–1984Based in Kitamoto, JP· patent location history

1984Patents assigned to KURARAY CO (1)· patent assignee history

1985Based in Saitama, JP· patent location history

1989–1994Based in Urawa, JP· patent location history

1990Patents assigned to INST MATERIA MEDICA CHINESE (1)· patent assignee history

1995–1996Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
TAISHO PHARMACEUTICAL CO LTD	10	1980–1996
INST MATERIA MEDICA CHINESE	1	1990
KURARAY CO	1	1984

Locations

Location	Patents	Span
Kitamoto, JP	4	1980–1984
Urawa, JP	3	1989–1994
Tokyo, JP	2	1995–1996
Saitama, JP	1	1985