Inventor · disambiguated record
Toshiyuki Zaitsu
Also filed as: ZAITSU TOSHIYUKI
27 granted patents·4 pending applications·795 citations·filing 1993–2025
96Inventor score
Top patents by PatentIndex Score
31 records- 0197US6888728B2Switching power supply unitTDK CORP·Filed 2003·Granted May 3, 2005·208 cites·14 claims
- 0295US6650552B2Switching power supply unit with series connected converter circuitsTDK CORP·Filed 2002·Granted Nov 18, 2003·115 cites·5 claims
- 0392US6683797B2Multi-stage DC—DC converterTDK CORP·Filed 2003·Granted Jan 27, 2004·90 cites·16 claims
- 0490US10944293B2Noncontact power supply apparatusOMRON TATEISI ELECTRONICS CO·Filed 2017·Granted Mar 9, 2021·8 cites·2 claims
- 0587US5768111AConverter comprising a piezoelectric transformer and a switching stage of a resonant frequency different from that of the transformerNEC CORP·Filed 1996·Granted Jun 16, 1998·91 cites·20 claims
- 0682US5329200APiezoelectric transformer converter for power useNEC CORP·Filed 1993·Granted Jul 12, 1994·62 cites·3 claims
- 0781US5341061APiezoelectric transformer circuit using a piezoelectric transformer unit of a thickness extensional vibration modeNEC CORP·Filed 1993·Granted Aug 23, 1994·34 cites·8 claims
- 0878US5969954AAC/DC converter with a piezoelectric transformerNEC CORP·Filed 1998·Granted Oct 19, 1999·55 cites·22 claims
- 0976US2025364901A1Rectifier circuitROHM CO LTD·Filed 2025·Application pending·0 cites
- 1076US2025364900A1Rectifier circuitROHM CO LTD·Filed 2025·Application pending·0 cites
- 1174US5805432AResonant DC-DC converter capable of controlling by pulse width modulationNEC CORP·Filed 1996·Granted Sep 8, 1998·61 cites·20 claims
- 1267US10797528B2Non-contact feeding deviceOMRON TATEISI ELECTRONICS CO·Filed 2019·Granted Oct 6, 2020·1 cites·4 claims
- 1366US11171516B2Noncontact power supply apparatusOMRON TATEISI ELECTRONICS CO·Filed 2019·Granted Nov 9, 2021·1 cites·4 claims
- 1466US6535407B1DC/DC converter having a piezoelectric transformer and rectification-smoothing circuitNEC CORP·Filed 1998·Granted Mar 18, 2003·34 cites·6 claims
- 1566US5739622AConverter wherein a piezoelectric transformer input signal is frequency modulated by a pulse width modulated signalNEC CORP·Filed 1996·Granted Apr 14, 1998·35 cites·40 claims
- 1657US11967892B2DC power supply device and servo DC power supply systemOMRON TATEISI ELECTRONICS CO·Filed 2020·Granted Apr 23, 2024·0 cites·4 claims
- 1753US11750129B2Servo DC power supply system and motor control deviceOMRON TATEISI ELECTRONICS CO·Filed 2020·Granted Sep 5, 2023·0 cites·3 claims
- 1847US12040627B2Non-contact power feeding deviceOMRON TATEISI ELECTRONICS CO·Filed 2020·Granted Jul 16, 2024·0 cites·2 claims
- 1946US11329513B2Contactless power transmission apparatusOMRON TATEISI ELECTRONICS CO·Filed 2019·Granted May 10, 2022·0 cites·4 claims
- 2046US11108273B2Contactless power transmission apparatus with stable bidirectional power transmissionOMRON TATEISI ELECTRONICS CO·Filed 2019·Granted Aug 31, 2021·0 cites·1 claims
- 2146US11081906B2Contactless power transmission apparatusOMRON TATEISI ELECTRONICS CO·Filed 2019·Granted Aug 3, 2021·0 cites·2 claims
- 2245US12057710B2System and methods of a non-contact feeding device providing constant output voltage to a power receiving deviceOMRON TATEISI ELECTRONICS CO·Filed 2019·Granted Aug 6, 2024·0 cites·1 claims
- 2345US11139693B2Contactless power transmission apparatusOMRON TATEISI ELECTRONICS CO·Filed 2019·Granted Oct 5, 2021·0 cites·15 claims
- 2443US11245291B2Non-contact power supply device capable of performing constant voltage output operationOMRON TATEISI ELECTRONICS CO·Filed 2018·Granted Feb 8, 2022·0 cites·7 claims
- 2543US11190058B2Non-contact power supply device and method for abnormal stopOMRON TATEISI ELECTRONICS CO·Filed 2018·Granted Nov 30, 2021·0 cites·8 claims
- 2643US11128173B2Noncontact power supply apparatusOMRON TATEISI ELECTRONICS CO·Filed 2017·Granted Sep 21, 2021·0 cites·4 claims
- 2743US11121587B2Non-contact power supply device capable of performing constant voltage output operationOMRON TATEISI ELECTRONICS CO·Filed 2018·Granted Sep 14, 2021·0 cites·12 claims
- 2842US2022004676A1Design assistance device, design assistance method, and design assistance programOMRON TATEISI ELECTRONICS CO·Filed 2020·Application pending·0 cites
- 2941US11095160B2Non-contact power supply deviceOMRON TATEISI ELECTRONICS CO·Filed 2018·Granted Aug 17, 2021·0 cites·8 claims
- 3041US10984945B2Transformer and resonant circuit having sameOMRON TATEISI ELECTRONICS CO·Filed 2016·Granted Apr 20, 2021·0 cites·16 claims
- 3140US2019341809A1Non-contact power supply deviceOMRON TATEISI ELECTRONICS CO·Filed 2017·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →