Inventor
KUWAHARA MASASHI
JP24 patents
⚠️ This page may combine multiple inventors who share the name “KUWAHARA MASASHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOSHIBA KK
6 patentsUS5821580AOct 13, 1998
MOS device having a trench gate structure
TOSHIBA KK47 citations92
US5444271AAug 22, 1995
Conductivity-modulated semiconductor device with high breakdown voltage
TOSHIBA KK30 citations92
US5331184AJul 19, 1994
Insulated gate bipolar transistor having high breakdown voltage
TOSHIBA KK20 citations92
US5124772AJun 23, 1992
Insulated gate bipolar transistor with a shortened carrier lifetime region
TOSHIBA KK34 citations91
US6060744AMay 9, 2000
Semiconductor device with a main current cell region and a current detecting cell region
TOSHIBA KK38 citations90
US4764802AAug 16, 1988
Semiconductor devices
TOSHIBA KK9 citations73