Inventor

Hiroshi Matsukubo

Inventor

Okaya, JP

Overview

6→

Patents

1984–1992

Patent span

Chemistry

Primary field (CPC C)

Patents· 6 as inventor

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

C07Dprimary

C07DHeterocyclic compounds63%

A61PSpecific therapeutic activity of chemical compounds or medicinal preparations25%

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium13%

PatentTitleYear

5,157,117'(6,7)-substituted-8-alkoxy-1-cyclopropyl-1,4-dihydro -4-oxo-3-quinolinecarboxylic acid-03,04) bis (acyloxy-0) borate and the salt thereof, and the preparing method of the same'1992 5,077,302'Urea derivatives'1991 4,952,591'Anti-ulcer urea derivatives'1990 4,764,608'Process for the manufacture of spiro-linked pyrrolidine-2,5-dione derivatives'1988 4,749,789'Process for the manufacture of spiro-linked pyrrolidine 2,5-diones'1988 4,472,579'Process for the preparation of quinoline carboxylic acid derivatives'1984

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1984–1992Patents assigned to KYORIN SEIYAKU KK (6)· patent assignee history

1984Based in Nagano, JP· patent location history

1988–1992Based in Okaya, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
KYORIN SEIYAKU KK	6	1984–1992

Locations

Location	Patents	Span
Okaya, JP	5	1988–1992
Nagano, JP	1	1984