Inventor
TOMATSU YUTAKA
JP15 patents
⚠️ This page may combine multiple inventors who share the name “TOMATSU YUTAKA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DENSO CORP
11 patentsUS6469345B2Oct 22, 2002
Semiconductor device and method for manufacturing the same
DENSO CORP55 citations96
US6278155B1Aug 21, 2001
P-channel MOSFET semiconductor device having a low on resistance
DENSO CORP17 citations92
US6114207ASep 5, 2000
Method of producing a semiconductor device
DENSO CORP20 citations92
US5877527AMar 2, 1999
Semiconductor device and method of producing the same
DENSO CORP28 citations92
US6809348B1Oct 26, 2004
Semiconductor device and method for manufacturing the same
DENSO CORP19 citations91
US7800174B2Sep 21, 2010
Power semiconductor switching-device and semiconductor power module using the device
DENSO CORP8 citations83
US7354829B2Apr 8, 2008
Trench-gate transistor with ono gate dielectric and fabrication process therefor
DENSO CORP7 citations73
US6451645B1Sep 17, 2002
Method for manufacturing semiconductor device with power semiconductor element and diode
DENSO CORP12 citations73
US5998268ADec 7, 1999
Manufacturing method of semiconductor device with a groove
DENSO CORP10 citations72
US6765266B2Jul 20, 2004
Semiconductor device with peripheral portion for withstanding surge voltage
DENSO CORP3 citations62
US9634095B2Apr 25, 2017
Semiconductor device and method for manufacturing the same
DENSO CORP1 citations46
NIPPON DENSO CO
3 patentsUS5798550AAug 25, 1998
Vertical type semiconductor device and gate structure
NIPPON DENSO CO17 citations83
US5747851AMay 5, 1998
Semiconductor device with reduced breakdown voltage between the gate electrode and semiconductor surface
NIPPON DENSO CO19 citations83
US5550067AAug 27, 1996
Method for producing semiconductor device having DMOS and NMOS elements formed in the same substrate
NIPPON DENSO CO20 citations83