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Inventor

Takumi Takahashi

Inventor
Ushiku, JP

Overview

5→
Patents
1991–2001
Patent span
Chemistry
Primary field (CPC C)

Patents· 5 as inventor

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

C07Dprimary
C07DHeterocyclic compounds45%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations27%
C07CAcyclic or carbocyclic compounds18%
Y02PClimate change mitigation technologies in the production or processing of goods9%
PatentTitleYear
6,177,454'Amide derivatives and medicinal compositions thereof'20016,048,884'Amide derivatives and medicinal compositions thereof'20005,643,931'Bisoxadiazolidine derivative'19975,508,296'Bisheterocyclic derivative or salt thereof'19964,987,132'Saturated heterocyclic carboxamide derivatives'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991–2001Patents assigned to YAMANOUCHI PHARMA CO LTD (5)· patent assignee history
1991Based in Tokyo, JP· patent location history
1996–1997Based in Ibaraki, JP· patent location history
2000–2001Based in Ushiku, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
YAMANOUCHI PHARMA CO LTD51991–2001
Locations
LocationPatentsSpan
Ushiku, JP22000–2001
Ibaraki, JP21996–1997
Tokyo, JP11991