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Inventor

Yasuo Fujimura

Inventor
Saitama, JP

Overview

3→
Patents
1976–1991
Patent span
Chemistry
Primary field (CPC C)

Patents· 3 as inventor

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

C07Dprimary
C07DHeterocyclic compounds75%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations25%
PatentTitleYear
5,019,574'3,4-diaminoquinoline and 3,4-diamino-5,6,7,8-tetrahydroquinoline compounds useful for improving psychoneural function'19914,409,234'Pyrazoloindazole derivatives and bronchodilating composition'19833,994,890'1-Aminoalkyl, 3-phenyl indazoles'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1991Patents assigned to CHUGAI PHARMACEUTICAL CO LTD (3)· patent assignee history
1976Based in Tokyo, JP· patent location history
1983–1991Based in Saitama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CHUGAI PHARMACEUTICAL CO LTD31976–1991
Locations
LocationPatentsSpan
Saitama, JP21983–1991
Tokyo, JP11976