Inventor
MATSUDA TADASHI
JP19 patents
⚠️ This page may combine multiple inventors who share the name “MATSUDA TADASHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOSHIBA KK
9 patentsUS6936893B2Aug 30, 2005
Power semiconductor device
TOSHIBA KK27 citations92
US5485022AJan 16, 1996
High switching speed IGBT
TOSHIBA KK33 citations92
US5350934ASep 27, 1994
Conductivity modulation type insulated gate field effect transistor
TOSHIBA KK37 citations92
US5347158ASep 13, 1994
Semiconductor device having a particular terminal arrangement
TOSHIBA KK50 citations92
US6818940B2Nov 16, 2004
Insulated gate bipolar transistor having trench gates of rectangular upper surfaces with different widths
TOSHIBA KK7 citations73
US6777783B2Aug 17, 2004
Insulated gate bipolar transistor
TOSHIBA KK10 citations73
US7038273B2May 2, 2006
Semiconductor device
TOSHIBA KK4 citations62
US6798025B2Sep 28, 2004
Insulated gate bipolar transistor
TOSHIBA KK2 citations62
US7454395B2Nov 18, 2008
Information processing apparatus and program for displaying tree diagram
TOSHIBA KK0 citations41
FUJITSU LTD
6 patentsUS4528575AJul 9, 1985
Ink jet printing head
FUJITSU LTD195 citations98
US4491851AJan 1, 1985
Method and circuit for driving an ink jet printer
FUJITSU LTD39 citations92
US4251825AFeb 17, 1981
Non-impact printer using a modulated light beam
FUJITSU LTD20 citations81
US4625221ANov 25, 1986
Apparatus for ejecting droplets of ink
FUJITSU LTD11 citations73
US4410234AOct 18, 1983
Timing pulse generator for scanning apparatus
FUJITSU LTD14 citations73
US4398816AAug 16, 1983
Electrophotographic copying printer
FUJITSU LTD14 citations73