Inventor · disambiguated record
Shun Fukushima
Also filed as: FUKUSHIMA SHUN
20 granted patents·5 pending applications·43 citations·filing 2015–2025
91Inventor score
Files withROHM CO LTD25
Top patents by PatentIndex Score
25 records- 0191US10892681B2DC-DC converter operable to perform current-mode control output feedback controlROHM CO LTD·Filed 2018·Granted Jan 12, 2021·8 cites·4 claims
- 0291US10651846B2Driver circuit and switching regulatorROHM CO LTD·Filed 2019·Granted May 12, 2020·9 cites·18 claims
- 0389US10879811B2Switching power supply device and semiconductor deviceROHM CO LTD·Filed 2019·Granted Dec 29, 2020·8 cites·16 claims
- 0488US11196343B2DC-DC converterROHM CO LTD·Filed 2020·Granted Dec 7, 2021·2 cites·11 claims
- 0584US11996766B2Power supply deviceROHM CO LTD·Filed 2020·Granted May 28, 2024·2 cites·10 claims
- 0684US9685858B2DC/DC converter, control circuit and control method thereof, and electronic apparatusROHM CO LTD·Filed 2015·Granted Jun 20, 2017·6 cites·23 claims
- 0783US12015349B2Switching circuit, DC/DC converter, and control circuit thereofROHM CO LTD·Filed 2022·Granted Jun 18, 2024·1 cites·8 claims
- 0882US12081125B2Control circuit of DC/DC converter, power supply circuit, and electronic deviceROHM CO LTD·Filed 2022·Granted Sep 3, 2024·1 cites·16 claims
- 0978US11482933B2Switching power supply deviceROHM CO LTD·Filed 2021·Granted Oct 25, 2022·1 cites·10 claims
- 1071US2025364886A1Power supply controller and switching power supplyROHM CO LTD·Filed 2025·Application pending·0 cites
- 1169US11050348B2Semiconductor deviceROHM CO LTD·Filed 2019·Granted Jun 29, 2021·1 cites·15 claims
- 1266US10594305B2OscillatorROHM CO LTD·Filed 2018·Granted Mar 17, 2020·2 cites·14 claims
- 1365US10910026B2Clock generation circuit, switching power supply device, and semiconductor deviceROHM CO LTD·Filed 2020·Granted Feb 2, 2021·0 cites·7 claims
- 1464US10320292B2Phase compensation circuit and DC/DC converter using the sameROHM CO LTD·Filed 2017·Granted Jun 11, 2019·1 cites·23 claims
- 1562US10643678B2Clock generation circuit, switching power supply device, and semiconductor deviceROHM CO LTD·Filed 2019·Granted May 5, 2020·1 cites·11 claims
- 1655US12166419B2Control circuit of boost DC-DC converter, power supply circuit, and electronic deviceROHM CO LTD·Filed 2022·Granted Dec 10, 2024·0 cites·19 claims
- 1755US2025023451A1Power supply controller and switching power supplyROHM CO LTD·Filed 2024·Application pending·0 cites
- 1853US12149164B2Control circuit and power supply circuit of DC/DC converter, and electronic equipmentROHM CO LTD·Filed 2022·Granted Nov 19, 2024·0 cites·11 claims
- 1950US11463003B2Power supply control device to discharge an output voltage at a time of enable instantaneous interruptionROHM CO LTD·Filed 2020·Granted Oct 4, 2022·0 cites·8 claims
- 2047US2023130933A1Switching circuit, dc/dc converter, and control circuit of dc/dc converterROHM CO LTD·Filed 2022·Application pending·0 cites
- 2146US11368093B2Switching power supply deviceROHM CO LTD·Filed 2020·Granted Jun 21, 2022·0 cites·18 claims
- 2245US2022239228A1Control circuit and control method of dc/dc converter, power management circuitROHM CO LTD·Filed 2022·Application pending·0 cites
- 2343US11527297B2Semiconductor device and memory abnormality determination systemROHM CO LTD·Filed 2020·Granted Dec 13, 2022·0 cites·11 claims
- 2443US2024146244A1Semiconductor integrated circuitROHM CO LTD·Filed 2023·Application pending·0 cites
- 2541US10965206B2Step-up/down DC-DC converterROHM CO LTD·Filed 2018·Granted Mar 30, 2021·0 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →