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Inventor

Toyomi Matsumoto

Inventor
Minowa, JP

Overview

3→
Patents
1990–1999
Patent span
Human necessities
Primary field (CPC A)

Patents· 3 as inventor

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

A61Pprimary
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations50%
C07DHeterocyclic compounds50%
PatentTitleYear
5,880,283'8-alkoxyquinolonecarboxylic acid hydrate with excellent stability and process for producing the same'19995,077,302'Urea derivatives'19914,952,591'Anti-ulcer urea derivatives'1990

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990–1999Patents assigned to KYORIN SEIYAKU KK (3)· patent assignee history
1990–1991Based in Minowa, JP· patent location history
1999Based in Kamiina-gun, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KYORIN SEIYAKU KK31990–1999
Locations
LocationPatentsSpan
Minowa, JP21990–1991
Kamiina-gun, JP11999