Inventor
SHINJI KAWAHARA
Inventor
JP
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Lprimary
H01LSemiconductor devices15%
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 systems10%
H10DInorganic electric semiconductor devices10%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1010%
B60LPropulsion of electrically-propelled vehicles5%
F04BPositive-displacement machines for liquids5%
F04CRotary-piston, or oscillating-piston, positive-displacement machines for liquids5%
F25BRefrigeration machines, plants or systems5%
G01RMeasuring electric variables5%
G11CStatic stores5%
PatentTitleYear
12,567,816Vehicle on-board power conversion device202612,424,911Motor-driven compressor with noise reduction unit202511,404,547Semiconductor device with conductive members that extend from a semiconductor portion to an upper surface of a semiconductor layer202211,257,829Semiconductor device202211,177,408Light detection device2021Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2021–2022Patents assigned to TOSHIBA ELECTRONIC DEVICES & STORAGE CORP (3)· patent assignee history
2021–2022Patents assigned to TOSHIBA KK (3)· patent assignee history
2021–2026Based in JP· patent location history
2025–2026Patents assigned to TOYOTA JIDOSHOKKI KK (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TOSHIBA ELECTRONIC DEVICES & STORAGE CORP | 3 | 2021–2022 |
| TOSHIBA KK | 3 | 2021–2022 |
| TOYOTA JIDOSHOKKI KK | 2 | 2025–2026 |
Locations
| Location | Patents | Span |
|---|---|---|
| JP | 5 | 2021–2026 |