Inventor

Eiko Imamiya

Inventor
Osaka, JP

Overview

4→
Patents
1978–1992
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.

C07Cprimary
C07CAcyclic or carbocyclic compounds60%
C07DHeterocyclic compounds40%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978–1992Patents assigned to TAKEDA CHEMICAL INDUSTRIES LTD (4)· patent assignee history
1978Based in Tondabayashi, JP· patent location history
1990–1992Based in Osaka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TAKEDA CHEMICAL INDUSTRIES LTD41978–1992
Locations
LocationPatentsSpan
Osaka, JP21990–1992
Tondabayashi, JP21978