Inventor
Shoichi Furuhata
Inventor
Nagano, JP
Overview
Patents· 17 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H10Dprimary
H10DInorganic electric semiconductor devices27%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1027%
H03KPulse technique17%
H03FAmplifiers10%
F02PIgnition, other than compression ignition, for internal-combustion engines7%
F02DControlling combustion engines3%
H02HEmergency protective circuit arrangements3%
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 systems3%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications3%
PatentTitleYear
7,948,725'Composite integrated semiconductor device'20117,352,548'Composite integrated semiconductor device'20087,042,063'Semiconductor wafer, semiconductor device, and process for manufacturing the semiconductor device'20066,462,382'MOS type semiconductor apparatus'20026,336,448'Ignition semiconductor device'20026,229,180'MOS type semiconductor apparatus'20015,973,359'MOS type semiconductor device'19995,970,964'Circuit device for igniting internal combustion engine and semiconductor device for igniting internal combustion engine'19995,621,601'Over-current protection apparatus for transistor'19975,521,421'Semiconductor device'19965,341,004'Semiconductor switching device with reduced switching loss'19945,233,503'Pressure-contact type semiconductor device'19935,227,964'Switching power supply with overcurrent protection circuit'19935,202,619'Control circuit for a switching transistor'19935,091,664'Insulated gate bipolar transistor circuit with overcurrent protection'19924,825,279'Semiconductor device'19894,740,722'Composite semiconductor device'1988Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1988–2008Patents assigned to FUJI ELECTRIC CO LTD (15)· patent assignee history
1988–1999Based in Kanagawa, JP· patent location history
1989–2002Based in Kawasaki, JP· patent location history
1996–2011Based in Nagano, JP· patent location history
2006Patents assigned to FUJI ELEC DEVICE TECH CO LTD (1)· patent assignee history
2011Patents assigned to FUJI ELECTRIC SYSTEMS CO LTD (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| FUJI ELECTRIC CO LTD | 15 | 1988–2008 |
| FUJI ELEC DEVICE TECH CO LTD | 1 | 2006 |
| FUJI ELECTRIC SYSTEMS CO LTD | 1 | 2011 |
Locations
| Location | Patents | Span |
|---|---|---|
| Nagano, JP | 8 | 1996–2011 |
| Kawasaki, JP | 5 | 1989–2002 |
| Kanagawa, JP | 4 | 1988–1999 |