Inventor
HIROTA MASAYOSHI
JP11 patents
⚠️ This page may combine multiple inventors who share the name “HIROTA MASAYOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO ELECTRIC INDUSTRIES
7 patentsUS9660517B2May 23, 2017
DC-AC conversion device, control circuit controlling operation of DC-AC conversion device, and control method for controlling operation of DC-AC conversion device
SUMITOMO ELECTRIC INDUSTRIES4 citations71
US11721472B2Aug 8, 2023
Coil component, circuit board, and power supply device
SUMITOMO ELECTRIC INDUSTRIES3 citations69
US10250121B2Apr 2, 2019
Converter and control circuit
SUMITOMO ELECTRIC INDUSTRIES1 citations60
US11799372B2Oct 24, 2023
Driving apparatus and driving method for semiconductor switch, power conversion apparatus, and vehicle
SUMITOMO ELECTRIC INDUSTRIES0 citations59
US10811953B2Oct 20, 2020
Power supply device
SUMITOMO ELECTRIC INDUSTRIES1 citations59
US10224818B2Mar 5, 2019
Power conversion apparatus and control method for power conversion apparatus
SUMITOMO ELECTRIC INDUSTRIES1 citations59
US10811976B2Oct 20, 2020
Electronic circuit device
SUMITOMO ELECTRIC INDUSTRIES0 citations40
AUTONETWORKS TECHNOLOGIES LTD
4 patentsUS12484201B2Nov 25, 2025
Electric device with immersed electronic components and elongated busbar forming an upward flow
AUTONETWORKS TECHNOLOGIES LTD0 citations50
US12556103B2Feb 17, 2026
Conversion device
AUTONETWORKS TECHNOLOGIES LTD0 citations49
US11894714B2Feb 6, 2024
Power source system
AUTONETWORKS TECHNOLOGIES LTD0 citations49
US12291110B2May 6, 2025
Power source system
AUTONETWORKS TECHNOLOGIES LTD0 citations43