Inventor
SHIROYAMA HIRONOBU
JP8 patents
⚠️ This page may combine multiple inventors who share the name “SHIROYAMA HIRONOBU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJI ELECTRIC CO LTD
5 patentsUS6657877B2Dec 2, 2003
Power supply circuit
FUJI ELECTRIC CO LTD45 citations90
US9537417B2Jan 3, 2017
Power supply control circuit and power source cut-off detection method
FUJI ELECTRIC CO LTD7 citations82
US11233448B2Jan 25, 2022
Switching control circuit and switching control method
FUJI ELECTRIC CO LTD2 citations71
US12062976B2Aug 13, 2024
Power supply circuit and power supply device
FUJI ELECTRIC CO LTD0 citations50
US12438473B2Oct 7, 2025
Control circuit and power factor correction circuit
FUJI ELECTRIC CO LTD0 citations49