Inventor
Masahiro Kobessho
Inventor
Ichihara, JP
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C10Mprimary
C10MLubricating compositions36%
C10NIndexing scheme associated with subclass c10m relating to lubricating compositions36%
C21DModifying the physical structure of ferrous metals18%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium9%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1999–2019Patents assigned to IDEMITSU KOSAN CO (4)· patent assignee history
1999–2019Based in Ichihara, JP· patent location history
2011Patents assigned to TOYOTA MOTOR CO LTD (1)· patent assignee history
2011Based in Kanagawa, JP· patent location history
2017Based in Chiyoda-ku, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| IDEMITSU KOSAN CO | 4 | 1999–2019 |
| TOYOTA MOTOR CO LTD | 1 | 2011 |
Locations
| Location | Patents | Span |
|---|---|---|
| Ichihara, JP | 2 | 1999–2019 |
| Chiyoda-ku, JP | 1 | 2017 |
| Kanagawa, JP | 1 | 2011 |