Inventor
KAZUAKI TOBARI
Inventor
JP
Overview
Patents· 15 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H02Pprimary
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters45%
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 systems24%
G05BControl or regulating systems in general9%
B60LPropulsion of electrically-propelled vehicles6%
Y02TClimate change mitigation technologies related to transportation6%
B21BRolling of metal3%
B62DMotor vehicles3%
H02HEmergency protective circuit arrangements3%
PatentTitleYear
12,592,657Synchronous machine control device, synchronous machine control method, and electric vehicle202612,445,074Synchronous machine control device, synchronous machine control method, and electric vehicle202512,341,448Power conversion device202512,341,447Power conversion device202512,334,847Power converter apparatus202512,308,771Motor control device202511,831,262Motor control device202311,777,427Motor control device and automatic adjustment method for same202311,575,338Power conversion device202311,437,944Power conversion device202211,424,707Power conversion apparatus202211,303,236Induction motor overheat monitoring method, induction motor monitoring device, and induction motor control system202211,273,712AC electric motor control device202211,239,784Motor drive device, controller, and electric vehicle system202211,196,377Motor drive system2021Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2021–2026Patents assigned to HITACHI ASTEMO LTD (4)· patent assignee history
2021–2022Patents assigned to HITACHI AUTOMOTIVE SYSTEMS LTD (2)· patent assignee history
2021–2026Based in JP· patent location history
2022–2025Patents assigned to HITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD (11)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD | 11 | 2022–2025 |
| HITACHI ASTEMO LTD | 4 | 2021–2026 |
| HITACHI AUTOMOTIVE SYSTEMS LTD | 2 | 2021–2022 |
Locations
| Location | Patents | Span |
|---|---|---|
| JP | 15 | 2021–2026 |