LexDanaLexDanabeta
Inventor

Hideyuki Takenaga

Inventor
Urawa, JP

Overview

2→
Patents
1989–1990
Patent span
Human necessities
Primary field (CPC A)

Patents· 2 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
4,946,862'Thiophene derivative and process for preparing the same'19904,857,543'Thiophene derivative and process for preparing the same'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–1990Patents assigned to TANABE SEIYAKU CO (2)· patent assignee history
1989–1990Based in Urawa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TANABE SEIYAKU CO21989–1990
Locations
LocationPatentsSpan
Urawa, JP21989–1990