Inventor
Nobuhisa Ohkawa
Inventor
Toyota, JP
Overview
Patents· 16 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F02Dprimary
F02DControlling combustion engines30%
Y02TClimate change mitigation technologies related to transportation25%
F01LCyclically operating valves for machines or engines23%
F02BInternal-combustion piston engines21%
G01FMeasuring volume, volume flow, mass flow or liquid level2%
PatentTitleYear
5,715,779'Abnormality detecting apparatus for internal combustion engine'19985,678,515'Valve timing control apparatus with a disallowing means'19975,664,528'Valve timing control apparatus with a restricting means'19975,664,529'Valve timing control apparatus with an initializing means'19975,628,286'Valve timing control apparatus for engine'19975,626,109'Valve timing control apparatus for engine'19975,626,108'Abnormality detecting apparatus for internal combustion engine'19975,623,896'Valve timing control apparatus for engine'19975,590,632'Apparatus for computing the amount of intake air in internal combustion engine'19975,537,961'Valve timing control apparatus for engine'19965,529,034'Valve timing control apparatus for engine'19965,494,008'Valve timing control apparatus for engine'19964,571,683'Learning control system of air-fuel ratio in electronic control engine'19864,513,710'Engine idling rotational speed control device'19854,484,552'Engine idling rotational speed control device'19844,462,375'Method and apparatus for controlling fuel supply of an internal combustion engine'1984Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1984–1998Patents assigned to TOYOTA MOTOR CO LTD (16)· patent assignee history
1984–1998Based in Toyota, JP· patent location history
1984–1985Based in Aichi, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TOYOTA MOTOR CO LTD | 16 | 1984–1998 |
Locations
| Location | Patents | Span |
|---|---|---|
| Toyota, JP | 14 | 1984–1998 |
| Aichi, JP | 2 | 1984–1985 |