Assignee
TOYO ELECTRIC MFG CO LTD
JP·29 granted patents·1 pending application·518 citations·filing 1977–2022
Top patents by PatentIndex Score
30 records- 0194US5418376AStatic induction semiconductor device with a distributed main electrode structure and static induction semiconductor device with a static induction main electrode shorted structureTOYO ELECTRIC MFG CO LTD·Filed 1994·Granted May 23, 1995·134 cites·20 claims
- 0278US6891300B2Rotor of induction starting synchronous motorTOYO ELECTRIC MFG CO LTD·Filed 2003·Granted May 10, 2005·30 cites·2 claims
- 0378US5324966AMOS-controlled thyristorTOYO ELECTRIC MFG CO LTD·Filed 1993·Granted Jun 28, 1994·46 cites·2 claims
- 0477US5969469AMiniature lamp assembly utilizing lampbase having lower projectionTOYO ELECTRIC MFG CO LTD·Filed 1997·Granted Oct 19, 1999·36 cites·6 claims
- 0577US5545905AStatic induction semiconductor device with a static induction schottky shorted structureTOYO ELECTRIC MFG CO LTD·Filed 1994·Granted Aug 13, 1996·43 cites·16 claims
- 0676US10298094B2Fan cooled motor with dust cleaning ventTOYO ELECTRIC MFG CO LTD·Filed 2012·Granted May 21, 2019·5 cites·6 claims
- 0776US6048074AMiniature lamp assembly having external interlocking deviceTOYO ELECTRIC MFG CO LTD·Filed 1998·Granted Apr 11, 2000·33 cites·14 claims
- 0873US4745997AOffset detecting device for trolley-assisted vehiclesTOYO ELECTRIC MFG CO LTD·Filed 1987·Granted May 24, 1988·35 cites·4 claims
- 0967US10036464B2Railway vehicle gear device of parallel cardan drive systemTOYO ELECTRIC MFG CO LTD·Filed 2014·Granted Jul 31, 2018·2 cites·6 claims
- 1062US5665987AInsulated gate static induction thyristor with a split gate type shorted cathode structureTOYO ELECTRIC MFG CO LTD·Filed 1995·Granted Sep 9, 1997·26 cites·19 claims
- 1161US4654679AStatic induction thyristor with stepped-doping gate regionTOYO ELECTRIC MFG CO LTD·Filed 1984·Granted Mar 31, 1987·16 cites·6 claims
- 1260US9786462B2Master controllerTOYO ELECTRIC MFG CO LTD·Filed 2015·Granted Oct 10, 2017·1 cites·4 claims
- 1360US4528745AMethod for the formation of buried gates of a semiconductor device utilizing etch and refill techniquesTOYO ELECTRIC MFG CO LTD·Filed 1983·Granted Jul 16, 1985·22 cites·7 claims
- 1458US11215533B2Load motor for chassis dynamometer apparatusTOYO ELECTRIC MFG CO LTD·Filed 2018·Granted Jan 4, 2022·1 cites·5 claims
- 1557US2025321150A1Chassis dynamometer apparatusTOYO ELECTRIC MFG CO LTD·Filed 2022·Application pending·0 cites
- 1654US4585910AHook device for locking pantographTOYO ELECTRIC MFG CO LTD·Filed 1983·Granted Apr 29, 1986·12 cites·6 claims
- 1751US7489047B2Electric power generating apparatus for decentralized power supplyTOYO ELECTRIC MFG CO LTD·Filed 2004·Granted Feb 10, 2009·7 cites·20 claims
- 1850US8047720B2Bearing device for main electric motor for vehicleTOYO ELECTRIC MFG CO LTD·Filed 2007·Granted Nov 1, 2011·2 cites·4 claims
- 1947US4462070ADC-DC Converter provided with an AC linkTOYO ELECTRIC MFG CO LTD·Filed 1982·Granted Jul 24, 1984·8 cites·3 claims
- 2044US11770057B2Method of preheating unfinished statorTOYO ELECTRIC MFG CO LTD·Filed 2020·Granted Sep 26, 2023·0 cites·2 claims
- 2143US5461242AInsulated gate static induction thyristor with a split gate type shorted cathode structureTOYO ELECTRIC MFG CO LTD·Filed 1993·Granted Oct 24, 1995·11 cites·14 claims
- 2242US4694125ACollector device for trolley-assisted vehiclesTOYO ELECTRIC MFG CO LTD·Filed 1986·Granted Sep 15, 1987·10 cites·6 claims
- 2341US5077487ADriver circuit for a large capacity switching elementTOYO ELECTRIC MFG CO LTD·Filed 1990·Granted Dec 31, 1991·7 cites·4 claims
- 2441US4160925AQuadruple frequency converterTOYO ELECTRIC MFG CO LTD·Filed 1977·Granted Jul 10, 1979·8 cites·4 claims
- 2537US4367521APWM Inverter deviceTOYO ELECTRIC MFG CO LTD·Filed 1980·Granted Jan 4, 1983·6 cites·5 claims
- 2633US5059887AStep-up and step-down chopper deviceTOYO ELECTRIC MFG CO LTD·Filed 1990·Granted Oct 22, 1991·11 cites·2 claims
- 2732US4366533APWM Inverter deviceTOYO ELECTRIC MFG CO LTD·Filed 1980·Granted Dec 28, 1982·5 cites·5 claims
- 2828US11313766B2Pedestal for chassis dynamometerTOYO ELECTRIC MFG CO LTD·Filed 2018·Granted Apr 26, 2022·0 cites·6 claims
- 2921US4155114ATreble frequency converterTOYO ELECTRIC MFG CO LTD·Filed 1978·Granted May 15, 1979·1 cites·3 claims
- 3018US9876427B2DC/DC power conversion device with first and second loadsTOYO ELECTRIC MFG CO LTD·Filed 2015·Granted Jan 23, 2018·0 cites·4 claims
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