Inventor

Ken-ichi Hirose

Inventor
Settsu, JP

Overview

3→
Patents
1987–1991
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.

C07Cprimary
C07CAcyclic or carbocyclic compounds29%
C07DHeterocyclic compounds29%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry14%
C07BGeneral methods of organic chemistry14%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium14%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987–1991Patents assigned to SUMITOMO CHEMICAL CO (2)· patent assignee history
1987–1989Based in Settsu, JP· patent location history
1989Patents assigned to KOEI CHEMICAL CO (1)· patent assignee history
1991Based in Osaka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SUMITOMO CHEMICAL CO21987–1991
KOEI CHEMICAL CO11989
Locations
LocationPatentsSpan
Settsu, JP21987–1989
Osaka, JP11991