Inventor
Kiyoshi Yamamoto
Inventor
Iwakuni, JP
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Cprimary
C07CAcyclic or carbocyclic compounds50%
A61KPreparations for medical, dental or toiletry purposes13%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations13%
C07DHeterocyclic compounds13%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds13%
PatentTitleYear
9,676,720'Substituted biaryl compound'20174,354,037'Process for preparing benzenecarboxylic acids'19824,048,021'Method of purifying crude 2,6-naphthalenedicarboxylic acid dimethyl ester'19774,003,948'Process for preparing dimethyl 2,6-naphthalenedicarboxylate'19773,954,840'1,3,5,7-Naphthalenetetracarboxylic acids and process for preparation thereof'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1982Patents assigned to TEIJIN LTD (4)· patent assignee history
1976–1982Based in Iwakuni, JP· patent location history
2017Patents assigned to UBE INDUSTRIES (1)· patent assignee history
2017Based in Ube, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TEIJIN LTD | 4 | 1976–1982 |
| UBE INDUSTRIES | 1 | 2017 |
Locations
| Location | Patents | Span |
|---|---|---|
| Iwakuni, JP | 4 | 1976–1982 |
| Ube, JP | 1 | 2017 |