Inventor

Toshihiko Okada

Inventor
Nara, JP

Overview

6→
Patents
1978–2021
Patent span
Chemistry
Primary field (CPC C)

Patents· 6 as inventor

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

C07Dprimary
C07DHeterocyclic compounds31%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations15%
B23KSoldering or unsoldering15%
C07CAcyclic or carbocyclic compounds15%
C07JSteroids15%
C21DModifying the physical structure of ferrous metals8%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978–1994Patents assigned to SHIONOGI & CO (4)· patent assignee history
1978–1994Based in Nara, JP· patent location history
2021Patents assigned to NIPPON STEEL & SUMITOMO METAL CORP (2)· patent assignee history
2021Patents assigned to NIPPON STEEL CORP (2)· patent assignee history
2021Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SHIONOGI & CO41978–1994
NIPPON STEEL & SUMITOMO METAL CORP22021
NIPPON STEEL CORP22021
Locations
LocationPatentsSpan
Nara, JP41978–1994
Tokyo, JP22021