Inventor
Haruyuki Obata
Inventor
Susono, JP
Overview
Patents· 10 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F02Bprimary
F02BInternal-combustion piston engines17%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof17%
F01LCyclically operating valves for machines or engines13%
F02DControlling combustion engines13%
Y02TClimate change mitigation technologies related to transportation13%
Y10TTechnical subjects covered by former us classification13%
F01MLubricating of machines or engines in general4%
F02FCylinders, pistons or casings, for combustion engines4%
F16KValves4%
PatentTitleYear
5,469,818'Variable valve timing control device for an engine'19955,215,046'Rotational phase difference adjusting means'19935,209,194'Variable valve timing apparatus'19934,513,945'Electromagnetic reed valve'19854,466,414'Supercharged internal combustion engine'19844,434,775'Apparatus for controlling pressurized air supply to engines'19844,432,324'Air-fuel ratio control device of an internal combustion engine'19844,383,512'Air-fuel ratio control device of an internal combustion engine'19834,345,573'Blow-gas treating and controlling system'19824,341,190'Air-fuel ratio control device of an internal combustion engine'1982Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1982–1995Patents assigned to TOYOTA MOTOR CO LTD (8)· patent assignee history
1982–1985Based in Susono, JP· patent location history
1984–1993Patents assigned to NIPPON DENSO CO (6)· patent assignee history
1993–1995Based in Toyota, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TOYOTA MOTOR CO LTD | 8 | 1982–1995 |
| NIPPON DENSO CO | 6 | 1984–1993 |
Locations
| Location | Patents | Span |
|---|---|---|
| Susono, JP | 7 | 1982–1985 |
| Toyota, JP | 3 | 1993–1995 |