Inventor · disambiguated record
Toshio Nagasawa
Also filed as: NAGASAWA TOSHIO
31 granted patents·2 pending applications·338 citations·filing 1976–2023
97Inventor score
Files withRENESAS ELECTRONICS CORP9RENESAS TECH CORP8HOSOKAWA KYOICHI4UBE INDUSTRIES4NAGASAWA TOSHIO2
Top patents by PatentIndex Score
33 records- 0196US7436070B2Semiconductor deviceRENESAS TECH CORP·Filed 2005·Granted Oct 14, 2008·46 cites·9 claims
- 0296US7245116B2Power supply device and switching power supply deviceRENESAS TECH CORP·Filed 2005·Granted Jul 17, 2007·37 cites·13 claims
- 0395US7514908B2Switching power supply device and a semiconductor integrated circuitRENESAS TECH CORP·Filed 2005·Granted Apr 7, 2009·40 cites·34 claims
- 0495US7408388B2Switching power supply device, semiconductor integrated circuit device and power supply deviceRENESAS TECH CORP·Filed 2006·Granted Aug 5, 2008·24 cites·13 claims
- 0592US8063620B2Switching power supply device and semiconductor integrated circuitHOSOKAWA KYOICHI·Filed 2011·Granted Nov 22, 2011·9 cites·10 claims
- 0690US7863756B2Semiconductor deviceRENESAS ELECTRONICS CORP·Filed 2008·Granted Jan 4, 2011·14 cites·10 claims
- 0789US8076767B2Semiconductor deviceUNO TOMOAKI·Filed 2010·Granted Dec 13, 2011·8 cites·16 claims
- 0888US4518353AVacuum sintering furnaceCHUGAI RO KOGYO KAISHA LTD·Filed 1984·Granted May 21, 1985·28 cites·4 claims
- 0987US8497666B2Semiconductor device and power source deviceNAGASAWA TOSHIO·Filed 2010·Granted Jul 30, 2013·11 cites·17 claims
- 1085US7342391B2Power supply device and switching power supply deviceRENESAS TECH CORP·Filed 2007·Granted Mar 11, 2008·10 cites·13 claims
- 1182US7777462B2Power supply unitRENESAS TECH CORP·Filed 2008·Granted Aug 17, 2010·16 cites·17 claims
- 1277US8482345B2Semiconductor deviceUNO TOMOAKI·Filed 2011·Granted Jul 9, 2013·3 cites·18 claims
- 1377US7345340B2Semiconductor integrated circuit and a semiconductor deviceRENESAS TECH CORP·Filed 2005·Granted Mar 18, 2008·10 cites·5 claims
- 1476US9369045B2Switching power supply device and a semiconductor integrated circuitRENESAS ELECTRONICS CORP·Filed 2013·Granted Jun 14, 2016·2 cites·6 claims
- 1575US4323607AHeat shrinkable coversUBE INDUSTRIES·Filed 1979·Granted Apr 6, 1982·30 cites·14 claims
- 1673US8305060B2Switching power supply device and a semiconductor integrated circuitHOSOKAWA KYOICHI·Filed 2011·Granted Nov 6, 2012·2 cites·10 claims
- 1772US7859326B2Switching power supply device, semiconductor intergrated circuit device and power supply deviceRENESAS ELECTRONICS CORP·Filed 2008·Granted Dec 28, 2010·5 cites·9 claims
- 1868US7986133B2Power supply unitRENESAS ELECTRONICS CORP·Filed 2010·Granted Jul 26, 2011·4 cites·6 claims
- 1966US9054583B2Power-supply apparatusRENESAS ELECTRONICS CORP·Filed 2013·Granted Jun 9, 2015·2 cites·12 claims
- 2066US7550959B2Power supply device and switching power supply deviceRENESAS TECH CORP·Filed 2008·Granted Jun 23, 2009·2 cites·4 claims
- 2165US12166478B2Semiconductor integrated circuitTOSHIBA KK·Filed 2023·Granted Dec 10, 2024·0 cites·16 claims
- 2261US9685865B2Power-supply apparatus having a high-side transistor and a low-side transistorRENESAS ELECTRONICS CORP·Filed 2015·Granted Jun 20, 2017·1 cites·13 claims
- 2357US8072246B2Switching power supply device, semiconductor integrated circuit device and power supply deviceNAGASAWA TOSHIO·Filed 2010·Granted Dec 6, 2011·1 cites·9 claims
- 2456US4370548AElectrical heating elementUBE INDUSTRIES·Filed 1980·Granted Jan 25, 1983·14 cites·8 claims
- 2555US2009267587A1Power supply device and switching power supply deviceRENEAS TECHNOLOGY CORP·Filed 2009·Application pending·0 cites
- 2652US7902799B2Switching power supply device and semiconductor integrated circuitRENESAS ELECTRONICS CORP·Filed 2009·Granted Mar 8, 2011·1 cites·7 claims
- 2751US8604764B2Switching power supply device and a semiconductor integrated circuitHOSOKAWA KYOICHI·Filed 2012·Granted Dec 10, 2013·0 cites·2 claims
- 2850US8471541B2Switching power supply device and a semiconductor integrated circuitHOSOKAWA KYOICHI·Filed 2012·Granted Jun 25, 2013·0 cites·6 claims
- 2945US4412125AHeat-shrinkable coverUBE INDUSTRIES·Filed 1982·Granted Oct 25, 1983·9 cites·13 claims
- 3044US10886842B2Power supply circuit and control method for power supply circuitTOSHIBA KK·Filed 2019·Granted Jan 5, 2021·0 cites·14 claims
- 3143US4078111AProcess of extrusion-coating the central core with an insulator of high pressure-processed polyethyleneUBE INDUSTRIES·Filed 1976·Granted Mar 7, 1978·9 cites·6 claims
- 3240US9276462B2Voltage regulator controller and system including voltage regulator controllerRENESAS ELECTRONICS CORP·Filed 2013·Granted Mar 1, 2016·0 cites·18 claims
- 3340US2014032942A1Voltage regulator, semiconductor device, and data processing systemRENESAS ELECTRONICS CORP·Filed 2013·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →