Inventor
HISAMOTO YOSHIAKI
JP11 patents
⚠️ This page may combine multiple inventors who share the name “HISAMOTO YOSHIAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITSUBISHI ELECTRIC CORP
7 patentsUS6580121B2Jun 17, 2003
Power semiconductor device containing at least one zener diode provided in chip periphery portion
MITSUBISHI ELECTRIC CORP20 citations91
US8017974B2Sep 13, 2011
Semiconductor device with increased withstand voltage
MITSUBISHI ELECTRIC CORP7 citations82
US5545573AAug 13, 1996
Method of fabricating insulated gate semiconductor device
MITSUBISHI ELECTRIC CORP18 citations73
US5246877ASep 21, 1993
Method of manufacturing a semiconductor device having a polycrystalline electrode region
MITSUBISHI ELECTRIC CORP17 citations73
US7180106B2Feb 20, 2007
Semiconductor device having enhanced di/dt tolerance and dV/dt tolerance
MITSUBISHI ELECTRIC CORP5 citations72
US5321295AJun 14, 1994
Insulated gate bipolar transistor and method of fabricating the same
MITSUBISHI ELECTRIC CORP15 citations72
US4609933ASep 2, 1986
Gate turn-off thyristor having P+ gate and emitter
MITSUBISHI ELECTRIC CORP3 citations60