Hitachi
Japan
11
2022-02-03
11
2023-08-22
These are the the leading inventors for applications assigned to Hitachi Power Semiconductor Device, Ltd.:
Hitachi Power Semiconductor Device, Ltd. based in Hitachi, JP has been assigned the rights to these inventions. The list includes both Pending Applications and Patent Grants:
Upper arm drive circuit having a reverse current prevention circuit disposed between a power supply of a power conversion device and a first capacitor and control method thereof
#2 | 2021-11-25 ✅ Patent 11,942,512 granted on 2024-03-26Semiconductor device and power conversion device
#3 | 2021-09-23 ✅ Patent 11,496,041 granted on 2022-11-08Gate drive device, gate drive method, power semiconductor module, and electric power conversion device
#4 | 2021-09-16 ✅ Patent 11,539,361 granted on 2022-12-27Semiconductor device signal transmission circuit for drive-control, method of controlling semiconductor device signal transmission circuit for drive-control, semiconductor device, power conversion device, and electric system for railway vehicle
#5 | 2021-05-13 ✅ Patent 11,652,023 granted on 2023-05-16Semiconductor device including a semiconductor element with a gate electrode on only one surface
#6 | 2021-03-25 ✅ Patent 11,296,212 granted on 2022-04-05Semiconductor device and power conversion device
#7 | 2021-02-25 ✅ Patent 11,282,937 granted on 2022-03-22Semiconductor device and power conversion device
#8 | 2020-12-17 ✅ Patent 10,916,643 granted on 2021-02-09Semiconductor device, method for controlling semiconductor device, and control circuit for semiconductor device
#9 | 2020-10-08 ✅ Patent 10,971,415 granted on 2021-04-06Semiconductor device, manufacturing method for semiconductor device, semiconductor module, and power conversion device
#10 | 2020-06-11 ✅ Patent 11,012,022 granted on 2021-05-18Inverter device and electric motor device using same
#11 | 2020-03-05 ✅ Patent 10,847,614 granted on 2020-11-24Semiconductor device having a stacked electrode with an electroless nickel plating layer
Also check out Hitachi Power Semiconductor Device, Ltd.'s (Hitachi, Japan) applicant profile with 18 patent applications submitted.
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