Inventor
SUGAWARA TAKATO
JP28 patents
⚠️ This page may combine multiple inventors who share the name “SUGAWARA TAKATO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJI ELECTRIC CO LTD
23 patentsUS9537417B2Jan 3, 2017
Power supply control circuit and power source cut-off detection method
FUJI ELECTRIC CO LTD7 citations82
US9240727B2Jan 19, 2016
Switching power supply device control circuit having an overcurrent protection control circuit
FUJI ELECTRIC CO LTD10 citations82
US11632039B2Apr 18, 2023
Integrated circuit and power supply circuit
FUJI ELECTRIC CO LTD3 citations73
US11411499B2Aug 9, 2022
Integrated circuit and power supply circuit
FUJI ELECTRIC CO LTD2 citations73
US10033265B2Jul 24, 2018
Switching power supply
FUJI ELECTRIC CO LTD3 citations72
US9099925B2Aug 4, 2015
Switching power supply with circuit to control turn on timing of switching element
FUJI ELECTRIC CO LTD5 citations72
US12191761B2Jan 7, 2025
Integrated circuit and power supply circuit
FUJI ELECTRIC CO LTD0 citations62
US12068694B2Aug 20, 2024
Integrated circuit and power supply device
FUJI ELECTRIC CO LTD0 citations62
US9411346B2Aug 9, 2016
Integrated circuit and semiconductor device
FUJI ELECTRIC CO LTD2 citations62
US12101021B2Sep 24, 2024
Integrated circuit and power supply circuit
FUJI ELECTRIC CO LTD0 citations52
US11418122B2Aug 16, 2022
Integrated circuit and power supply circuit
FUJI ELECTRIC CO LTD0 citations52
US12368389B2Jul 22, 2025
Integrated circuit and power supply circuit
FUJI ELECTRIC CO LTD0 citations51
US12362652B2Jul 15, 2025
Integrated circuit and power supply circuit
FUJI ELECTRIC CO LTD0 citations51
US12316215B2May 27, 2025
Integrated circuit having amplitude-based switching control and power supply circuit containing the same
FUJI ELECTRIC CO LTD0 citations51
US11764663B2Sep 19, 2023
Integrated circuit and power supply circuit
FUJI ELECTRIC CO LTD0 citations51
US11632033B2Apr 18, 2023
Switching control circuit and power supply circuit
FUJI ELECTRIC CO LTD0 citations51
US10008949B2Jun 26, 2018
Switching power supply with an auxiliary supply voltage
FUJI ELECTRIC CO LTD1 citations51
US9876432B2Jan 23, 2018
Switching power supply device
FUJI ELECTRIC CO LTD1 citations51
US9716426B2Jul 25, 2017
Switching power supply circuit
FUJI ELECTRIC CO LTD1 citations51
US9667140B2May 30, 2017
Switching power supply circuit that avoids overheating during a short-circuit
FUJI ELECTRIC CO LTD1 citations51
US11159085B2Oct 26, 2021
Integrated circuit and switching circuit
FUJI ELECTRIC CO LTD0 citations50
US10897194B2Jan 19, 2021
Power factor improvement circuit and semiconductor apparatus
FUJI ELECTRIC CO LTD0 citations49
US10715027B2Jul 14, 2020
Driver circuit
FUJI ELECTRIC CO LTD0 citations41
SUGAWARA TAKATO
4 patentsUS8207713B2Jun 26, 2012
Switching power supply circuit
SUGAWARA TAKATO23 citations91
US8953348B2Feb 10, 2015
Switching power supply circuit and power factor controller
SUGAWARA TAKATO7 citations82
US8716996B2May 6, 2014
Switching control circuit and AC/DC converter using the same
SUGAWARA TAKATO2 citations61
US8638574B2Jan 28, 2014
Semiconductor control device for a switching regulator and a switching regulator using the semiconductor control device
SUGAWARA TAKATO3 citations61