Inventor
Seigo Yukutake
Inventor
Hitachinaka, JP
Overview
Patents· 6 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 systems25%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters25%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1017%
G01RMeasuring electric variables8%
H02HEmergency protective circuit arrangements8%
H10DInorganic electric semiconductor devices8%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h108%
PatentTitleYear
10,516,332Induced voltage suppression device, motor system, and power conversion system201910,498,283Motor drive device201910,396,702Motor drive control device201910,230,320Motor drive device20197,561,429'Power converter unit'20096,445,055'Semiconductor integrated circuit device and manufacturing method thereof'2002Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2002–2009Patents assigned to HITACHI LTD (2)· patent assignee history
2002Patents assigned to HITACHI ULSI SYS CO LTD (1)· patent assignee history
2002–2019Based in Hitachinaka, JP· patent location history
2019Patents assigned to HITACHI AUTOMOTIVE SYSTEMS LTD (3)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI AUTOMOTIVE SYSTEMS LTD | 3 | 2019 |
| HITACHI LTD | 2 | 2002–2009 |
| HITACHI ULSI SYS CO LTD | 1 | 2002 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hitachinaka, JP | 6 | 2002–2019 |