Assignee
KYOSAN ELECTRIC MFG
JP·67 granted patents·7 pending applications·186 citations·filing 1984–2024
Top patents by PatentIndex Score
74 records- 0189US9070537B2High-frequency power supply device and reflected wave power control methodKYOSAN ELECTRIC MFG·Filed 2013·Granted Jun 30, 2015·13 cites·12 claims
- 0287US8385096B2Unbalanced voltage compensation method, unbalanced voltage compensator, three-phase converter control method, and controller of three-phase converterKYOSAN ELECTRIC MFG·Filed 2010·Granted Feb 26, 2013·11 cites·25 claims
- 0382US9621064B2Arc quenching circuit for a power supply in a plasma generatorKYOSAN ELECTRIC MFG·Filed 2013·Granted Apr 11, 2017·6 cites·4 claims
- 0478US9590565B2Class-D amplifierKYOSAN ELECTRIC MFG·Filed 2013·Granted Mar 7, 2017·6 cites·4 claims
- 0578US6211749B1Impedance matching deviceKYOSAN ELECTRIC MFG·Filed 1999·Granted Apr 3, 2001·37 cites·19 claims
- 0677US9216749B2Occupancy detection device and occupancy detection methodKYOSAN ELECTRIC MFG·Filed 2013·Granted Dec 22, 2015·7 cites·7 claims
- 0777US7751211B2Instantaneous voltage-drop compensation circuit, power conversion apparatus, instantaneous voltage-drop compensation method and computer readable medium storing instantaneous voltage-drop compensation programKYOSAN ELECTRIC MFG·Filed 2007·Granted Jul 6, 2010·20 cites·16 claims
- 0876US9450519B2DC power source, and DC power source control methodKYOSAN ELECTRIC MFG·Filed 2013·Granted Sep 20, 2016·4 cites·9 claims
- 0971US6777881B2Power supply apparatus for generating plasmaKYOSAN ELECTRIC MFG·Filed 2002·Granted Aug 17, 2004·28 cites·8 claims
- 1070US9699878B2Unignited plasma state discrimination device and unignited plasma state discrimination methodKYOSAN ELECTRIC MFG·Filed 2013·Granted Jul 4, 2017·3 cites·8 claims
- 1170US9451687B2High-frequency power supply device, and plasma ignition methodKYOSAN ELECTRIC MFG·Filed 2014·Granted Sep 20, 2016·3 cites·6 claims
- 1269US11799373B2DC pulse power supply deviceKYOSAN ELECTRIC MFG·Filed 2019·Granted Oct 24, 2023·1 cites·8 claims
- 1369US9162689B2Estimated train occupancy range determination device, onboard system, and estimated train occupancy range determination methodKYOSAN ELECTRIC MFG·Filed 2013·Granted Oct 20, 2015·4 cites·7 claims
- 1469US9072159B2High-frequency power supply device and ignition voltage selection methodKYOSAN ELECTRIC MFG·Filed 2013·Granted Jun 30, 2015·3 cites·10 claims
- 1569US6760234B2DC power supply apparatus for a plasma generating apparatusKYOSAN ELECTRIC MFG·Filed 2002·Granted Jul 6, 2004·24 cites·7 claims
- 1667US10723374B2Train control systemKYOSAN ELECTRIC MFG·Filed 2018·Granted Jul 28, 2020·1 cites·4 claims
- 1767US10562551B2Ground apparatus and ground apparatus system for train platform door opening and closing synchronization through ground apparatus communication networkingKYOSAN ELECTRIC MFG·Filed 2018·Granted Feb 18, 2020·1 cites·11 claims
- 1866US10038435B2High-frequency-isolation gate driver circuit and gate circuit driving methodKYOSAN ELECTRIC MFG·Filed 2015·Granted Jul 31, 2018·2 cites·17 claims
- 1965US11852665B2Pulsed high frequency monitorKYOSAN ELECTRIC MFG·Filed 2020·Granted Dec 26, 2023·0 cites·8 claims
- 2064US10737703B2Gap fillerKYOSAN ELECTRIC MFG·Filed 2018·Granted Aug 11, 2020·1 cites·8 claims
- 2163US10886850B2Power supply device and method for controlling power supply deviceKYOSAN ELECTRIC MFG·Filed 2017·Granted Jan 5, 2021·1 cites·4 claims
- 2262US11352036B2Terminal protection apparatus and terminal protection methodKYOSAN ELECTRIC MFG·Filed 2019·Granted Jun 7, 2022·1 cites·14 claims
- 2361US10978950B2Power supply device and method for controlling power supply deviceKYOSAN ELECTRIC MFG·Filed 2017·Granted Apr 13, 2021·1 cites·12 claims
- 2459US2024343282A1Ground system and relay control methodKYOSAN ELECTRIC MFG·Filed 2024·Application pending·0 cites
- 2558US12438540B2Switching moduleKYOSAN ELECTRIC MFG·Filed 2021·Granted Oct 7, 2025·0 cites·5 claims
- 2657US12526672B2Frequency determination method and frequency determination apparatusKYOSAN ELECTRIC MFG·Filed 2023·Granted Jan 13, 2026·0 cites·9 claims
- 2755US11881777B2DC pulse power supply deviceKYOSAN ELECTRIC MFG·Filed 2019·Granted Jan 23, 2024·0 cites·11 claims
- 2854US12355367B2Wideband RF power supply and control methodKYOSAN ELECTRIC MFG·Filed 2021·Granted Jul 8, 2025·0 cites·14 claims
- 2953US12567812B2High-frequency power supply device and output control method thereforKYOSAN ELECTRIC MFG·Filed 2020·Granted Mar 3, 2026·0 cites·10 claims
- 3053US12323074B2RF band power supply device and pulse width modulation control methodKYOSAN ELECTRIC MFG·Filed 2021·Granted Jun 3, 2025·0 cites·10 claims
- 3152US12489356B2Power conversion device with current-auxiliary circuitKYOSAN ELECTRIC MFG·Filed 2022·Granted Dec 2, 2025·0 cites·10 claims
- 3252US12020840B2ReactorKYOSAN ELECTRIC MFG·Filed 2019·Granted Jun 25, 2024·0 cites·15 claims
- 3352US2026081573A1Radio-frequency power supply deviceKYOSAN ELECTRIC MFG·Filed 2023·Application pending·0 cites
- 3451US12040158B2High-frequency power supply device and output control method thereforKYOSAN ELECTRIC MFG·Filed 2021·Granted Jul 16, 2024·0 cites·8 claims
- 3550US11764666B2DC pulse power supply device and frequency control method for DC pulse power supply deviceKYOSAN ELECTRIC MFG·Filed 2019·Granted Sep 19, 2023·0 cites·9 claims
- 3650US11205954B2DC/DC converter and control method for DC/DC converterKYOSAN ELECTRIC MFG·Filed 2018·Granted Dec 21, 2021·0 cites·10 claims
- 3749US12537721B2Learning model generation method, inference apparatus, and wireless train control systemKYOSAN ELECTRIC MFG·Filed 2022·Granted Jan 27, 2026·0 cites·9 claims
- 3849US12534116B2Maintenance apparatus, maintenance system, and maintenance methodKYOSAN ELECTRIC MFG·Filed 2022·Granted Jan 27, 2026·0 cites·7 claims
- 3949US10647334B2Gap fillerKYOSAN ELECTRIC MFG·Filed 2018·Granted May 12, 2020·0 cites·8 claims
- 4049US2025119108A1High frequency amplifierKYOSAN ELECTRIC MFG·Filed 2022·Application pending·0 cites
- 4148US11929668B2DC pulse power supply device and magnetic saturation reset method for DC pulse power supply deviceKYOSAN ELECTRIC MFG·Filed 2019·Granted Mar 12, 2024·0 cites·8 claims
- 4248US11884313B2Railroad equipment state determination apparatus and railroad equipment state determination methodKYOSAN ELECTRIC MFG·Filed 2020·Granted Jan 30, 2024·0 cites·12 claims
- 4348US11677385B2DC pulse power supply device and duty control method for DC pulse power supply deviceKYOSAN ELECTRIC MFG·Filed 2019·Granted Jun 13, 2023·0 cites·8 claims
- 4448US10759451B2Gap fillerKYOSAN ELECTRIC MFG·Filed 2018·Granted Sep 1, 2020·0 cites·7 claims
- 4548US2024291399A1Rf band power supply device and pulse width modulation control methodKYOSAN ELECTRIC MFG·Filed 2022·Application pending·0 cites
- 4648US2025007142A1Nonreciprocal circuit elementKYOSAN ELECTRIC MFG·Filed 2022·Application pending·0 cites
- 4747US2025030384A1High-frequency power supplyKYOSAN ELECTRIC MFG·Filed 2022·Application pending·0 cites
- 4846US12014899B2High-frequency power supply device and output control method thereforKYOSAN ELECTRIC MFG·Filed 2021·Granted Jun 18, 2024·0 cites·6 claims
- 4946US10594220B2Power supply device and method for controlling power supply deviceKYOSAN ELECTRIC MFG·Filed 2017·Granted Mar 17, 2020·0 cites·7 claims
- 5045US11180169B2Onboard system, ground system, and information transmission systemKYOSAN ELECTRIC MFG·Filed 2018·Granted Nov 23, 2021·0 cites·12 claims
Showing the top 50 of 74 patent records by PatentIndex Score.
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