Inventor
Eiichi Ohtsu
Inventor
Mito, JP
Overview
Patents· 12 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B60Lprimary
B60LPropulsion of electrically-propelled vehicles18%
Y02TClimate change mitigation technologies related to transportation18%
B60HArrangements of heating, cooling, ventilating or other air-treating devices specially adapted for passenger or goods spaces of vehicles12%
G05DSystems for controlling or regulating non-electric variables9%
F24FAir-conditioning6%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters6%
B60TVehicle brake control systems or parts thereof3%
F01NGas-flow silencers or exhaust apparatus for machines or engines in general3%
F02DControlling combustion engines3%
F02NStarting of combustion engines3%
PatentTitleYear
10,950,643Imaging device, method for manufacturing imaging device, and electronic device20217,617,673'Controller for internal combustion engine'20096,255,798'Control apparatus for electric vehicle'20016,194,865'Control method and system for electric rotary machine'20016,046,553'Electrical vehicle control device having fail-safe'20006,020,696'Control device and method for controlling synchronous motor of electric vehicle'20005,877,601'Control system for electric vehicle and control method therefor in which an inverter relay is controlled at the time of its re-closing after being disconnected'19995,476,310'Braking apparatus for electric vehicle'19955,167,127'Car air conditioner'19924,877,081'Air-conditioning apparatus for automobiles'19894,865,119'Air conditioner system for automotive vehicles'19894,364,428'Automatic air-conditioning apparatus'1982Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1982–2009Patents assigned to HITACHI LTD (11)· patent assignee history
1982–1989Based in Katsuta, JP· patent location history
1992–2000Based in Ibaraki, JP· patent location history
1995–2009Based in Mito, JP· patent location history
2000–2001Patents assigned to HITACHI CAR ENG CO LTD (2)· patent assignee history
2000Patents assigned to NISSAN MOTOR (2)· patent assignee history
2021Patents assigned to SONY SEMICONDUCTOR SOLUTIONS CORP (1)· patent assignee history
2021Based in Kanagawa, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI LTD | 11 | 1982–2009 |
| HITACHI CAR ENG CO LTD | 2 | 2000–2001 |
| NISSAN MOTOR | 2 | 2000 |
| SONY SEMICONDUCTOR SOLUTIONS CORP | 1 | 2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| Mito, JP | 5 | 1995–2009 |
| Ibaraki, JP | 3 | 1992–2000 |
| Katsuta, JP | 3 | 1982–1989 |
| Kanagawa, JP | 1 | 2021 |