Inventor
Toshifumi Hayami
Inventor
Kariya, JP
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F02Dprimary
F02DControlling combustion engines28%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof17%
F02BInternal-combustion piston engines11%
F02FCylinders, pistons or casings, for combustion engines11%
Y02TClimate change mitigation technologies related to transportation11%
B60WConjoint control of vehicle sub-units of different type or different function6%
F01PCooling of machines or engines in general6%
G01FMeasuring volume, volume flow, mass flow or liquid level6%
G07CTime or attendance registers6%
PatentTitleYear
10,309,294Engine201910,280,831Engine201910,113,500Fuel-pressure controller for direct injection engine20189,818,241'Malfunction diagnosing apparatus for vehicle'20177,207,297'Internal combustion engine cooling system'20075,629,473'Oxygen concentration detection device'19975,320,077'Fuel control system for internal combustion engine'19945,289,809'Internal combustion engine control apparatus'19945,273,020'Fuel vapor purging control system for automotive vehicle'1993Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1993–1997Patents assigned to NIPPON DENSO CO (4)· patent assignee history
1993–2019Based in Kariya, JP· patent location history
2007–2019Patents assigned to DENSO CORP (5)· patent assignee history
2017–2018Patents assigned to HAYAMI TOSHIFUMI (2)· patent assignee history
2017Patents assigned to MURAKAMI YOSHIFUMI (1)· patent assignee history
2019Patents assigned to MAZDA MOTOR (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DENSO CORP | 5 | 2007–2019 |
| NIPPON DENSO CO | 4 | 1993–1997 |
| HAYAMI TOSHIFUMIself | 2 | 2017–2018 |
| MAZDA MOTOR | 2 | 2019 |
| MURAKAMI YOSHIFUMI | 1 | 2017 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kariya, JP | 9 | 1993–2019 |