Inventor

Akio Ishii

Inventor

Shizuoka, JP

Overview

1989–1998

Patent span

Chemistry

Primary field (CPC C)

Patents· 29 as inventor

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

C07Dprimary

C07DHeterocyclic compounds60%

A61PSpecific therapeutic activity of chemical compounds or medicinal preparations21%

C07CAcyclic or carbocyclic compounds13%

A61KPreparations for medical, dental or toiletry purposes4%

F16BDevices for fastening or securing constructional elements or machine parts together, e.g. nails, bolts, circlips, clamps, clips or wedges2%

PatentTitleYear

5,756,735'Xanthine derivatives'1998 5,587,378'Therapeutic agent for Parkinson\'s disease'1996 5,543,415'Antidepressants'1996 5,525,607'Xanthine compounds'1996 5,523,464'Benzenesulfonamide derivatives'1996 5,484,920'Therapeutic agent for Parkinson\'s disease'1996 5,447,933'Xanthine derivatives'1995 5,413,997'Triphenylmethane derivatives'1995 5,374,634'Pyridine derivatives'1994 5,336,769'Xanthine derivatives'1994 5,319,085'Quinoline derivative having serotonin-3 receptor antagonizing activity'1994 5,302,602'Tricyclic thromboxane A.sub.2 antagonists'1994 5,302,596'Tricyclic compounds as TXA.sub.2 antagonists'1994 5,290,782'Xanthine derivatives'1994 5,248,684'Certain 2-oxo-quinoline carboxylates or corresponding carboxamides useful as anti-emetics and suppressants of migraine'1993 5,242,931'Tricyclic compounds as TXA.sub.2 antagonists'1993 5,239,083'Indole derivatives which inhibit steroid 5.alpha. reductase'1993 5,173,492's-Triazolo(3,4-I)purine derivatives'1992 5,155,115'Thienopyridine derivatives'1992 5,143,922'Tricyclic thromboxane A.sub.2 antagonists'1992 5,118,701'Tricyclic compounds as TXA.sub.2 antagonists'1992 5,112,867'Triphenylmethane derivatives'1992 5,068,236'Xanthine derivatives'1991 5,010,104'Tricyclic compounds'1991 5,010,087'Tricyclic compounds and TXA.sub.2 antagonistic compositions thereof'1991 4,999,363'Tricyclic compounds'1991 4,994,463'Tricyclic thromboxane A.sub.2 antagonists'1991 4,971,964'Pyridine derivatives'1990 4,882,351'Tricyclic compounds'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989Patents assigned to ROUSSEL UCLAF (1)· patent assignee history

1989–1996Based in Shizuoka, JP· patent location history

1990–1998Patents assigned to KYOWA HAKKO KOGYO KK (27)· patent assignee history

1992Patents assigned to KYOWA HAKKO GOGYO CO LTD (1)· patent assignee history

1994–1998Based in Sunto-gun, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
KYOWA HAKKO KOGYO KK	27	1990–1998
KYOWA HAKKO GOGYO CO LTD	1	1992
ROUSSEL UCLAF	1	1989

Locations

Location	Patents	Span
Shizuoka, JP	26	1989–1996
Sunto-gun, JP	3	1994–1998