Inventor
Tadashi Miyasaka
Inventor
Nagano, JP
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H03Kprimary
H03KPulse technique40%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1020%
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 systems13%
H10DInorganic electric semiconductor devices13%
B23KSoldering or unsoldering7%
H05KPrinted circuits7%
PatentTitleYear
6,914,325'Power semiconductor module'20056,905,063'Method of manufacturing semiconductor device'20056,690,087'Power semiconductor module ceramic substrate with upper and lower plates attached to a metal base'20045,561,393'Control device of semiconductor power device'19965,500,619'Semiconductor device'19965,459,339'Double gate semiconductor device and control device thereof'19955,343,098'Snubber circuit for a power semiconductor device'19945,287,023'Reverse-bias control circuit for a voltage-driven switching element'19944,949,213'Drive circuit for use with voltage-drive semiconductor device'1990Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1990–2005Patents assigned to FUJI ELECTRIC CO LTD (9)· patent assignee history
1990Based in Kanagawa, JP· patent location history
1994–2005Based in Nagano, JP· patent location history
1994Based in Matumoto, JP· patent location history
1995–1996Based in Kawasaki, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| FUJI ELECTRIC CO LTD | 9 | 1990–2005 |
Locations
| Location | Patents | Span |
|---|---|---|
| Nagano, JP | 4 | 1994–2005 |
| Kawasaki, JP | 3 | 1995–1996 |
| Matumoto, JP | 1 | 1994 |
| Kanagawa, JP | 1 | 1990 |