Inventor
KACHI TETSU
JP20 patents
⚠️ This page may combine multiple inventors who share the name “KACHI TETSU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOYODA GOSEI KK
5 patentsUS6649943B2Nov 18, 2003
Group III nitride compound semiconductor light-emitting element
TOYODA GOSEI KK33 citations92
US5889806AMar 30, 1999
Group III nitride compound semiconductor laser diodes
TOYODA GOSEI KK39 citations92
US6960485B2Nov 1, 2005
Light-emitting device using a group III nitride compound semiconductor and a method of manufacture
TOYODA GOSEI KK21 citations90
US7897987B2Mar 1, 2011
Light-emitting device including light-emitting diode and stacked light-emitting phosphor layers
TOYODA GOSEI KK7 citations82
US7342364B2Mar 11, 2008
Light source
TOYODA GOSEI KK0 citations52
TOYOTA MOTOR CO LTD
4 patentsUS7777252B2Aug 17, 2010
III-V hemt devices
TOYOTA MOTOR CO LTD78 citations97
US9735260B2Aug 15, 2017
III-V HEMT devices
TOYOTA MOTOR CO LTD2 citations73
US8008749B2Aug 30, 2011
Semiconductor device having vertical electrodes structure
TOYOTA MOTOR CO LTD6 citations63
US7800130B2Sep 21, 2010
Semiconductor devices
TOYOTA MOTOR CO LTD2 citations63
TOYOTA CHUO KENKYUSHO KK
4 patentsUS7211839B2May 1, 2007
Group III nitride semiconductor device
TOYOTA CHUO KENKYUSHO KK49 citations92
US7084432B2Aug 1, 2006
Nitride semiconductor light emitting diode
TOYOTA CHUO KENKYUSHO KK20 citations92
US6936484B2Aug 30, 2005
Method of manufacturing semiconductor device and semiconductor device
TOYOTA CHUO KENKYUSHO KK14 citations82
US9337267B2May 10, 2016
Semiconductor device
TOYOTA CHUO KENKYUSHO KK0 citations39
SUGIMOTO MASAHIRO
4 patentsUS8188514B2May 29, 2012
Transistor
SUGIMOTO MASAHIRO6 citations71
US8222675B2Jul 17, 2012
Nitride semiconductor device including gate insulating portion containing AIN
SUGIMOTO MASAHIRO5 citations61
US8110870B2Feb 7, 2012
Semiconductor device
SUGIMOTO MASAHIRO3 citations61
US9184271B2Nov 10, 2015
III-V HEMT devices
SUGIMOTO MASAHIRO0 citations51