Inventor
YAMAMOTO AKIHISA
JP30 patents
⚠️ This page may combine multiple inventors who share the name “YAMAMOTO AKIHISA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITSUBISHI ELECTRIC CORP
24 patentsUS6891707B2May 10, 2005
Semiconductor protection circuit
MITSUBISHI ELECTRIC CORP21 citations92
US6842064B2Jan 11, 2005
Overcurrent protection and masking circuitry for protection against an overcurrent condition
MITSUBISHI ELECTRIC CORP22 citations92
US6720819B1Apr 13, 2004
Driver circuit for semiconductor switching device
MITSUBISHI ELECTRIC CORP25 citations92
US6639295B2Oct 28, 2003
Semiconductor device
MITSUBISHI ELECTRIC CORP22 citations92
US7235857B2Jun 26, 2007
Power semiconductor device
MITSUBISHI ELECTRIC CORP14 citations84
US6529062B2Mar 4, 2003
Power module
MITSUBISHI ELECTRIC CORP15 citations83
US7535128B2May 19, 2009
Temperature detector
MITSUBISHI ELECTRIC CORP7 citations74
US6459598B1Oct 1, 2002
Inverter device
MITSUBISHI ELECTRIC CORP10 citations73
US10389227B2Aug 20, 2019
Semiconductor device drive circuit and inverter device with desaturation detection
MITSUBISHI ELECTRIC CORP4 citations72
US10374599B2Aug 6, 2019
Delay-time correction circuit, semiconductor-device drive circuit, and semiconductor device
MITSUBISHI ELECTRIC CORP2 citations72
US10298223B2May 21, 2019
Semiconductor device driving circuit
MITSUBISHI ELECTRIC CORP4 citations72
US11711010B2Jul 25, 2023
Drive circuit and inverter device
MITSUBISHI ELECTRIC CORP2 citations67
US10411691B2Sep 10, 2019
Semiconductor device driving circuit
MITSUBISHI ELECTRIC CORP1 citations62
US12512834B2Dec 30, 2025
Semiconductor device
MITSUBISHI ELECTRIC CORP0 citations59
US11424738B2Aug 23, 2022
Driving circuit
MITSUBISHI ELECTRIC CORP0 citations59
US11410946B2Aug 9, 2022
Semiconductor apparatus
MITSUBISHI ELECTRIC CORP0 citations51
US10291220B2May 14, 2019
Level shift circuit and drive circuit
MITSUBISHI ELECTRIC CORP0 citations51
US10062650B2Aug 28, 2018
Semiconductor device, and semiconductor chip having chip identification information
MITSUBISHI ELECTRIC CORP1 citations51
US11855614B2Dec 26, 2023
Semiconductor device
MITSUBISHI ELECTRIC CORP0 citations49
US11658652B2May 23, 2023
Semiconductor device
MITSUBISHI ELECTRIC CORP0 citations49
US10148264B2Dec 4, 2018
Semiconductor device drive circuit
MITSUBISHI ELECTRIC CORP0 citations41
US10116310B2Oct 30, 2018
Level shift circuit, integrated circuit, and power semiconductor module
MITSUBISHI ELECTRIC CORP0 citations41
US9755637B2Sep 5, 2017
Drive circuit for semiconductor element and semiconductor device
MITSUBISHI ELECTRIC CORP0 citations41
US10784856B2Sep 22, 2020
Semiconductor device
MITSUBISHI ELECTRIC CORP0 citations40