Inventor
HANAOKA KOUMEI
JP4 patents
⚠️ This page may combine multiple inventors who share the name “HANAOKA KOUMEI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
2 patentsUS6144046ANov 7, 2000
Power inverter having series connection of semiconductor devices each having an inverse parallel connection of an insulated gate bipolar transistor and a diode
HITACHI LTD10 citations72
US5701018ADec 23, 1997
Semiconductor device having parallel connection of an insulated gate bipolar transistor and a diode
HITACHI LTD4 citations61