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Inventor

Heitaro Obara

Inventor
Sendai, JP

Overview

6→
Patents
1976–2004
Patent span
Human necessities
Primary field (CPC A)

Patents· 6 as inventor

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

C07Cprimary
C07CAcyclic or carbocyclic compounds36%
A01NPreservation of bodies of humans or animals or plants or parts thereof18%
A61KPreparations for medical, dental or toiletry purposes18%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations18%
C07DHeterocyclic compounds9%
PatentTitleYear
6,713,492'N-acyloxylated cycloalkyl compounds, composition containing the same and methods of use therefor'20046,121,305'Bipyrazole derivative, and medicine or reagent comprising the same as active component'20005,519,160'Alkyl 3-(substituted or unsubstituted benzylidene)-1-alkyl-2-oxocyclopentanecarboxylate derivatives, process for preparing the same'19964,537,999'Process for a production of dinitrophenyl ethers'19854,319,919'Herbicidal composition'19823,932,538'Process for producing pyrogallol and derivatives thereof'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976Based in Yonezawa, JP· patent location history
1982Patents assigned to KAKEN CHEMICAL CO (1)· patent assignee history
1982Based in Shiogama, JP· patent location history
1985Patents assigned to CHISSO CORP (1)· patent assignee history
1985Patents assigned to KAKEN PHARMA CO LTD (1)· patent assignee history
1985Based in Miyagi, JP· patent location history
1996Patents assigned to KUREHA CHEMICAL IND CO LTD (1)· patent assignee history
1996–2004Based in Sendai, JP· patent location history
2000–2004Patents assigned to DAIICHI RADIOISOTOPE LAB (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DAIICHI RADIOISOTOPE LAB22000–2004
CHISSO CORP11985
KAKEN CHEMICAL CO11982
KAKEN PHARMA CO LTD11985
KUREHA CHEMICAL IND CO LTD11996
Locations
LocationPatentsSpan
Sendai, JP31996–2004
Miyagi, JP11985
Shiogama, JP11982
Yonezawa, JP11976