Inventor
Shinichi Umekawa
Inventor
Sagamihara, JP
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H10Dprimary
H10DInorganic electric semiconductor devices50%
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 systems17%
H03KPulse technique17%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1017%
PatentTitleYear
7,629,672'Semiconductor devices and manufacturing method thereof'20097,091,554'Semiconductor device'20066,936,893'Power semiconductor device'20056,594,131'Over current protection circuit of semiconductor switching device'20036,417,532'Power semiconductor module for use in power conversion units with downsizing requirements'2002Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2002–2009Patents assigned to TOSHIBA KK (5)· patent assignee history
2002–2005Based in Sagamihara, JP· patent location history
2006Based in Kanagawa, JP· patent location history
2009Patents assigned to TOYOTA MOTOR CO LTD (1)· patent assignee history
2009Based in Himeji, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TOSHIBA KK | 5 | 2002–2009 |
| TOYOTA MOTOR CO LTD | 1 | 2009 |
Locations
| Location | Patents | Span |
|---|---|---|
| Sagamihara, JP | 3 | 2002–2005 |
| Himeji, JP | 1 | 2009 |
| Kanagawa, JP | 1 | 2006 |