Inventor
Ryuichi Masumori
Inventor
Tokyo, JP
Overview
Patents· 3 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C10Mprimary
C10MLubricating compositions60%
C10NIndexing scheme associated with subclass c10m relating to lubricating compositions40%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2001Patents assigned to NTN TOYO BEARING CO LTD (1)· patent assignee history
2001Patents assigned to SHOWA SHELL SEKIYU (1)· patent assignee history
2001–2002Based in Tokyo, JP· patent location history
2002Patents assigned to SHELL OIL CO (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SHELL OIL CO | 2 | 2002 |
| NTN TOYO BEARING CO LTD | 1 | 2001 |
| SHOWA SHELL SEKIYU | 1 | 2001 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 3 | 2001–2002 |