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Inventor

Masamichi Shimizu

Inventor
Funabashi, JP

Overview

4→
Patents
1976–2006
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 compounds33%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations17%
C01BNon-metallic elements17%
C07CAcyclic or carbocyclic compounds17%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium17%
PatentTitleYear
7,064,209'Process for producing optically active oxoheptenoic acid ester'20064,250,156'Process for preparing carbonyl sulfide'19814,084,061'Process for producing benzyl sodium, phenylacetic acid and derivative thereof'19783,954,729'Process for preparing a thiolcarbamate'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1981Patents assigned to IHARA CHEMICAL IND CO (3)· patent assignee history
1976Based in Shizuoka, JP· patent location history
1978Based in Kashiwa, JP· patent location history
1981Based in Abiko, JP· patent location history
2006Patents assigned to SANKYO CHEM IND LTD (1)· patent assignee history
2006Based in Funabashi, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
IHARA CHEMICAL IND CO31976–1981
SANKYO CHEM IND LTD12006
Locations
LocationPatentsSpan
Funabashi, JP12006
Abiko, JP11981
Kashiwa, JP11978
Shizuoka, JP11976