LexDanaLexDanabeta
Inventor

Keiichi Ito

Inventor
Kawaguchi, JP

Overview

2→
Patents
1980–2003
Patent span
Chemistry
Primary field (CPC C)

Patents· 2 as inventor

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

A61Pprimary
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations33%
C07CAcyclic or carbocyclic compounds33%
C07DHeterocyclic compounds33%
PatentTitleYear
6,670,360'Optically active pyrrolopyridazine derivatives'20034,197,410'N-[(N-Nitrosoalkylamino)methyl]carbamic acid esters for generating diazoalkanes'1980

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1980Patents assigned to WAKO PURE CHEM IND LTD (1)· patent assignee history
1980Based in Shizuoka, JP· patent location history
2003Patents assigned to SANKYO CO (1)· patent assignee history
2003Patents assigned to UBE INDUSTRIES (1)· patent assignee history
2003Based in Kawaguchi, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SANKYO CO12003
UBE INDUSTRIES12003
WAKO PURE CHEM IND LTD11980
Locations
LocationPatentsSpan
Kawaguchi, JP12003
Shizuoka, JP11980