Inventor
Koji Saga
Inventor
Ebina, JP
Overview
Patents· 16 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F04Cprimary
F04CRotary-piston, or oscillating-piston, positive-displacement machines for liquids70%
F01CRotary-piston or oscillating-piston machines or engines13%
F01MLubricating of machines or engines in general9%
F04BPositive-displacement machines for liquids4%
F05CIndexing scheme relating to materials, material properties or material characteristics for machines, engines or pumps other than non-positive-displacement machines or engines4%
PatentTitleYear
10,161,398Variable displacement oil pump201810,060,433Variable vane displacement pump utilizing a control valve and a switching valve20189,903,367'Variable displacement oil pump'20189,556,867'Vane pump'20179,534,596'Variable displacement pump'20179,494,153'Variable displacement oil pump'20169,494,152'Variable vane displacement pump utilizing a control valve and a switching valve'20169,243,632'Variable displacement oil pump'20169,206,690'Variable displacement pump'20159,109,596'Variable displacement pump'20159,046,100'Variable vane pump with communication groove in the cam ring'20159,004,882'Variable displacement vane pump having multiple dampening springs'20158,613,610'Variable displacement pump'20138,342,815'Oil pump'20138,186,969'Variable displacement pump'20128,142,173'Variable displacement vane pump'2012Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2012–2016Patents assigned to SAGA KOJI (8)· patent assignee history
2012–2015Patents assigned to WATANABE YASUSHI (6)· patent assignee history
2012–2015Patents assigned to OHNISHI HIDEAKI (4)· patent assignee history
2012–2013Patents assigned to HITACHI LTD (3)· patent assignee history
2012–2018Based in Ebina, JP· patent location history
2013–2018Patents assigned to HITACHI AUTOMOTIVE SYSTEMS LTD (13)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI AUTOMOTIVE SYSTEMS LTD | 13 | 2013–2018 |
| SAGA KOJIself | 8 | 2012–2016 |
| WATANABE YASUSHI | 6 | 2012–2015 |
| OHNISHI HIDEAKI | 4 | 2012–2015 |
| HITACHI LTD | 3 | 2012–2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Ebina, JP | 16 | 2012–2018 |