Inventor
Katsuya Oyama
Inventor
Hitachinaka, JP
Overview
Patents· 20 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F02Dprimary
F02DControlling combustion engines18%
G06FElectric digital data processing10%
F02PIgnition, other than compression ignition, for internal-combustion engines6%
G01DMeasuring not specially adapted for a specific variable6%
G05BControl or regulating systems in general6%
H03KPulse technique6%
H03MCoding6%
B60TVehicle brake control systems or parts thereof4%
B62DMotor vehicles4%
F02NStarting of combustion engines4%
PatentTitleYear
11,079,730Control device comprising a processor and an IC202110,982,412Hydraulic system for working machine and the working machine202110,197,037Control device201910,002,699Electromagnetic coil driving control device20189,719,481'Control device'20178,165,743'Controller for inverter'20127,969,229'On-chip redundancy high-reliable system and method of controlling the same'20117,680,228'Communication system, real-time control device, and information processing system'20107,480,549'Electrical control unit for an automobile'20097,456,603'Phase detection circuit, resolver/digital converter using the circuit, and control system using the converter'20087,423,403'Motor control system'20087,263,416'Electrical control unit for an automobile'20077,146,265'Control device with time measuring function'20067,057,378'Power supply unit'20067,009,535'Resolver/digital converter and control apparatus using the same'20066,972,700'Resolver/digital converter and control apparatus using the same'20056,880,530'Fuel supply system'20056,684,862'Controller for internal combustion engine having fuel injection system'20046,373,671'Apparatus with an over-current shutdown means and an over-temperature shutdown means'20026,029,630'Engine control device having an arrangement for limiting interrupt processing'2000Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2000–2012Patents assigned to HITACHI LTD (15)· patent assignee history
2000Patents assigned to HITACHI CAR ENG CO LTD (1)· patent assignee history
2000–2021Based in Hitachinaka, JP· patent location history
2006Based in Chiyoda-ku, JP· patent location history
2012Patents assigned to OYAMA KATSUYA (1)· patent assignee history
2017–2021Patents assigned to HITACHI AUTOMOTIVE SYSTEMS LTD (4)· patent assignee history
2021Patents assigned to KUBOTA KK (1)· patent assignee history
2021Based in Osaka, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI LTD | 15 | 2000–2012 |
| HITACHI AUTOMOTIVE SYSTEMS LTD | 4 | 2017–2021 |
| HITACHI CAR ENG CO LTD | 1 | 2000 |
| KUBOTA KK | 1 | 2021 |
| OYAMA KATSUYAself | 1 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hitachinaka, JP | 18 | 2000–2021 |
| Osaka, JP | 1 | 2021 |
| Chiyoda-ku, JP | 1 | 2006 |