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Inventor

Bunji Shimizu

Inventor
Hiromachi, JP

Overview

4→
Patents
1977–1981
Patent span
Chemistry
Primary field (CPC C)

Patents· 4 as inventor

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

C07Dprimary
C07DHeterocyclic compounds38%
Y02PClimate change mitigation technologies in the production or processing of goods38%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations13%
C07HSugars13%
PatentTitleYear
4,248,999'5-Fluorouracil derivatives and process for preparing thereof'19814,126,745'7-Methoxycephalosporin derivatives'19784,051,129'Process for preparing 7-methoxycephalosporin compounds'19774,007,177'Cephalosporin derivatives'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–1981Patents assigned to SANKYO CO (4)· patent assignee history
1977–1981Based in Hiromachi, JP· patent location history
1977Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SANKYO CO41977–1981
Locations
LocationPatentsSpan
Hiromachi, JP31977–1981
Tokyo, JP11977