LexDanaLexDanabeta
Inventor

Takeshi Hayano

Inventor
Tokyo, JP

Overview

3→
Patents
1989–1996
Patent span
Chemistry
Primary field (CPC C)

Patents· 3 as inventor

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

C07Dprimary
C07DHeterocyclic compounds60%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations20%
Y02PClimate change mitigation technologies in the production or processing of goods20%
PatentTitleYear
5,583,218'Carbapenem derivatives'19965,559,224'Carbepenem derivatives'19964,833,242'Cephalosporin derivatives and salts thereof'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–1996Patents assigned to DAIICHI SEIYAKU CO (3)· patent assignee history
1989–1996Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DAIICHI SEIYAKU CO31989–1996
Locations
LocationPatentsSpan
Tokyo, JP31989–1996