Inventor
Yoshiichi Kumagai
Inventor
Kanagawa, JP
Overview
Patents· 1 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B01Jprimary
B01JChemical or physical processes, e.g. catalysis or colloid chemistry33%
C07CAcyclic or carbocyclic compounds33%
F28DHeat-exchange apparatus, not provided for in another subclass, in which the heat-exchange media do not come into direct contact33%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1997Patents assigned to MITSUBISHI OIL CO (1)· patent assignee history
1997Based in Kanagawa, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MITSUBISHI OIL CO | 1 | 1997 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kanagawa, JP | 1 | 1997 |