Inventor
Michio Shiga
Inventor
Hiratsuka, JP
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C10Mprimary
C10MLubricating compositions44%
C10NIndexing scheme associated with subclass c10m relating to lubricating compositions44%
C07DHeterocyclic compounds11%
PatentTitleYear
8,497,232'Friction modifier and transmission oil'20137,407,917'Lubricating oil composition for automatic transmissions'20085,607,907'Multipurpose functional fluid for agricultural machinery or construction machinery'19974,057,504'Method of preparing overbased lubricating oil additives'1977Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1977Patents assigned to KARONITE CHEM CO LTD (1)· patent assignee history
1977Based in Fujisawa, JP· patent location history
1997–2013Based in Hiratsuka, JP· patent location history
2008Patents assigned to CHEVRON ORONITE CO (1)· patent assignee history
2013Patents assigned to CHEVRON JAPAN LTD (1)· patent assignee history
2013Patents assigned to FUCHI MASAMI (1)· patent assignee history
2013Patents assigned to NAKAGAWA TAKAHIRO (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CHEVRON JAPAN LTD | 1 | 2013 |
| CHEVRON ORONITE CO | 1 | 2008 |
| FUCHI MASAMI | 1 | 2013 |
| KARONITE CHEM CO LTD | 1 | 1977 |
| NAKAGAWA TAKAHIRO | 1 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hiratsuka, JP | 3 | 1997–2013 |
| Fujisawa, JP | 1 | 1977 |