Inventor

Yoshimasa Oiji

Inventor
Shizuoka, JP

Overview

13→
Patents
1978–1991
Patent span
Chemistry
Primary field (CPC C)

Patents· 13 as inventor

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

C07Dprimary
C07DHeterocyclic compounds50%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations25%
A61KPreparations for medical, dental or toiletry purposes8%
C07CAcyclic or carbocyclic compounds8%
Y02PClimate change mitigation technologies in the production or processing of goods8%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978–1991Patents assigned to KYOWA HAKKO KOGYO KK (13)· patent assignee history
1978–1979Based in Sakai, JP· patent location history
1981–1991Based in Shizuoka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KYOWA HAKKO KOGYO KK131978–1991
Locations
LocationPatentsSpan
Shizuoka, JP111981–1991
Sakai, JP21978–1979