Inventor
KUBO HIROTOSHI
JP20 patents
⚠️ This page may combine multiple inventors who share the name “KUBO HIROTOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SANYO ELECTRIC CO
18 patentsUS5972741AOct 26, 1999
Method of manufacturing semiconductor device
SANYO ELECTRIC CO108 citations95
US7521306B2Apr 21, 2009
Semiconductor device and a method of fabricating the same
SANYO ELECTRIC CO21 citations91
US6828626B2Dec 7, 2004
Semiconductor device with vertical transistors
SANYO ELECTRIC CO17 citations91
US6395604B1May 28, 2002
Method of fabricating semiconductor device
SANYO ELECTRIC CO32 citations91
US6137135AOct 24, 2000
Semiconductor device and method of fabricating the same
SANYO ELECTRIC CO27 citations91
US5970344AOct 19, 1999
Method of manufacturing semiconductor device having gate electrodes formed in trench structure before formation of source layers
SANYO ELECTRIC CO17 citations83
US7397128B2Jul 8, 2008
Semiconductor device and method of manufacturing the same
SANYO ELECTRIC CO11 citations79
US6429078B2Aug 6, 2002
Method of manufacturing insulating-gate semiconductor device
SANYO ELECTRIC CO10 citations73
US6576955B2Jun 10, 2003
Insulated gate field effect semiconductor device
SANYO ELECTRIC CO6 citations62
US7629644B2Dec 8, 2009
Insulated gate-type semiconductor device and manufacturing method of the same
SANYO ELECTRIC CO3 citations61
US6967139B2Nov 22, 2005
Method of manufacturing semiconductor device
SANYO ELECTRIC CO2 citations61
US7320916B2Jan 22, 2008
Manufacturing method of semiconductor device
SANYO ELECTRIC CO4 citations60
US7230300B2Jun 12, 2007
Semiconductor device with peripheral trench
SANYO ELECTRIC CO6 citations60
US7439137B2Oct 21, 2008
Method for manufacturing semiconductor device
SANYO ELECTRIC CO4 citations59
US6939776B2Sep 6, 2005
Semiconductor device and a method of fabricating the same
SANYO ELECTRIC CO0 citations50
US6818492B2Nov 16, 2004
Semiconductor device and manufacturing method thereof
SANYO ELECTRIC CO1 citations46
US6537899B2Mar 25, 2003
Semiconductor device and a method of fabricating the same
SANYO ELECTRIC CO0 citations40
US7413954B2Aug 19, 2008
Insulated gate semiconductor device and manufacturing method of the same
SANYO ELECTRIC CO0 citations36