Inventor
KATO NAOHITO
JP16 patents
⚠️ This page may combine multiple inventors who share the name “KATO NAOHITO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIPPON DENSO CO
11 patentsUS5519245AMay 21, 1996
Insulated gate bipolar transistor with reverse conducting current
NIPPON DENSO CO128 citations97
US5723882AMar 3, 1998
Insulated gate field effect transistor having guard ring regions
NIPPON DENSO CO60 citations95
US5621234AApr 15, 1997
Vertical semiconductor device with breakdown voltage improvement region
NIPPON DENSO CO85 citations95
US5510634AApr 23, 1996
Insulated gate bipolar transistor
NIPPON DENSO CO60 citations95
US5464992ANov 7, 1995
Insulated gate bipolar transistor provided with a minority carrier extracting layer
NIPPON DENSO CO22 citations92
US5169793ADec 8, 1992
Method of making an insulated gate bipolar transistor having gate shield region
NIPPON DENSO CO33 citations92
US5475258ADec 12, 1995
Power semiconductor device with protective element
NIPPON DENSO CO24 citations88
US5973338AOct 26, 1999
Insulated gate type bipolar-transistor
NIPPON DENSO CO12 citations73
US4994880AFeb 19, 1991
Semiconductor device constituting bipolar transistor
NIPPON DENSO CO13 citations72
US5609145AMar 11, 1997
Internal combustion engine ignition system
NIPPON DENSO CO6 citations63
US5719412AFeb 17, 1998
Insulated gate bipolar transistor
NIPPON DENSO CO2 citations62
DENSO CORP
5 patentsUS7800174B2Sep 21, 2010
Power semiconductor switching-device and semiconductor power module using the device
DENSO CORP8 citations83
US6281546B1Aug 28, 2001
Insulated gate field effect transistor and manufacturing method of the same
DENSO CORP6 citations62
US7755295B2Jul 13, 2010
Vehicle head lamp device
DENSO CORP5 citations61
US6452219B1Sep 17, 2002
Insulated gate bipolar transistor and method of fabricating the same
DENSO CORP1 citations51
US9815400B2Nov 14, 2017
Headlight control device and headlight
DENSO CORP0 citations40