Inventor
SHIGEHISA AOYAGI
Inventor
JP
Overview
Patents· 16 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H02Mprimary
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems27%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters22%
H02KDynamo-electric machines10%
B62DMotor vehicles7%
H05KPrinted circuits7%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h107%
B60LPropulsion of electrically-propelled vehicles5%
H01LSemiconductor devices5%
Y02TClimate change mitigation technologies related to transportation5%
B60TVehicle brake control systems or parts thereof2%
PatentTitleYear
12,581,947Power semiconductor device, power conversion device, and electric system202612,581,625Power conversion device202612,562,657Inverter control device, hybrid system, electromechanical integrated unit, electric vehicle system, and inverter control method202612,542,471Inverter integrated motor202612,537,406Rotating electric machine202612,513,826Power semiconductor device202512,512,709Rotating electric machine202512,506,419—202512,491,774Motor control device, electromechanical integrated unit, boost converter system, electric vehicle system, and motor control method202512,463,576Inverter control device and inverter control method202511,831,265Motor control device202311,611,292Power conversion device202311,451,179Motor control device and brake control device202211,325,641Control device for electric power steering apparatus and electric power steering apparatus202211,290,036Control device202211,228,271Control device for three-phase synchronous motor and electric power steering device using the same2022Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2022–2026Patents assigned to HITACHI ASTEMO LTD (16)· patent assignee history
2022Patents assigned to HITACHI AUTOMOTIVE SYSTEMS LTD (4)· patent assignee history
2022–2026Based in JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI ASTEMO LTD | 16 | 2022–2026 |
| HITACHI AUTOMOTIVE SYSTEMS LTD | 4 | 2022 |
Locations
| Location | Patents | Span |
|---|---|---|
| JP | 16 | 2022–2026 |