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Inventor

Youichi Kawashima

Inventor
Kyoto, JP

Overview

4→
Patents
1991–1992
Patent span
Chemistry
Primary field (CPC C)

Patents· 4 as inventor

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

C07Dprimary
C07DHeterocyclic compounds67%
A61KPreparations for medical, dental or toiletry purposes17%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations17%
PatentTitleYear
5,128,467'Cyclic sulfur-containing compounds'19925,082,836'Compositions and methods of use of cyclic sulfur-containing compounds'19925,041,435'Cyclic sulfur-containing compounds'19915,034,230'Anti-allergic ophthalmics'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991–1992Patents assigned to SANTEN PHARMACEUTICAL CO LTD (4)· patent assignee history
1991–1992Based in Kyoto, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SANTEN PHARMACEUTICAL CO LTD41991–1992
Locations
LocationPatentsSpan
Kyoto, JP41991–1992