Inventor

Tsunemasa Irie

Inventor
Takarazuka, JP

Overview

3→
Patents
1983–1998
Patent span
Chemistry
Primary field (CPC C)

Patents· 3 as inventor

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

A61Kprimary
A61KPreparations for medical, dental or toiletry purposes20%
A61MDevices for introducing media into, or onto, the body20%
C07CAcyclic or carbocyclic compounds20%
C07DHeterocyclic compounds20%
C07KPeptides20%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1983Patents assigned to SUMITOMO CHEMICAL CO (1)· patent assignee history
1983Based in Hyogo, JP· patent location history
1998Patents assigned to MASAHIKO YAMAMOTO (1)· patent assignee history
1998Patents assigned to OJIKA KOSEI (1)· patent assignee history
1998Patents assigned to SUMITOMO PHARMA (1)· patent assignee history
1998Patents assigned to SUMITOMO PHARMACEUTICAL COMPAN (1)· patent assignee history
1998Based in Takarazuka, JP· patent location history
1998Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MASAHIKO YAMAMOTO11998
OJIKA KOSEI11998
SUMITOMO CHEMICAL CO11983
SUMITOMO PHARMA11998
SUMITOMO PHARMACEUTICAL COMPAN11998
Locations
LocationPatentsSpan
Takarazuka, JP11998
Tokyo, JP11998
Hyogo, JP11983