Inventor
SOEJIMA NARUMASA
JP44 patents
⚠️ This page may combine multiple inventors who share the name “SOEJIMA NARUMASA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOYOTA MOTOR CO LTD
12 patentsUS7777252B2Aug 17, 2010
III-V hemt devices
TOYOTA MOTOR CO LTD78 citations97
US9954096B2Apr 24, 2018
Switching device and method of manufacturing the same
TOYOTA MOTOR CO LTD5 citations73
US9853139B2Dec 26, 2017
Semiconductor device and method for manufacturing the semiconductor device
TOYOTA MOTOR CO LTD4 citations73
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
US10290707B2May 14, 2019
Semiconductor device
TOYOTA MOTOR CO LTD1 citations61
US10388527B2Aug 20, 2019
Method of manufacturing semiconductor device
TOYOTA MOTOR CO LTD1 citations59
US10522627B2Dec 31, 2019
Semiconductor device
TOYOTA MOTOR CO LTD0 citations41
US9899469B2Feb 20, 2018
Semiconductor device and manufacturing method thereof
TOYOTA MOTOR CO LTD0 citations41
US10177236B2Jan 8, 2019
Method of manufacturing semiconductor device
TOYOTA MOTOR CO LTD0 citations39
US9281364B2Mar 8, 2016
Semiconductor device and method of manufacturing the same
TOYOTA MOTOR CO LTD0 citations33
DENSO CORP
10 patentsUS9818860B2Nov 14, 2017
Silicon carbide semiconductor device and method for producing the same
DENSO CORP4 citations73
US9793376B2Oct 17, 2017
Silicon carbide semiconductor device and method of manufacturing the same
DENSO CORP5 citations73
US9543428B2Jan 10, 2017
Silicon carbide semiconductor device and method for producing the same
DENSO CORP4 citations73
US9337298B2May 10, 2016
Silicon carbide semiconductor device and method for producing the same
DENSO CORP4 citations72
US11171231B2Nov 9, 2021
Silicon carbide semiconductor device and method for manufacturing the same
DENSO CORP1 citations56
US9608104B2Mar 28, 2017
Silicon carbide semiconductor device and method for manufacturing same
DENSO CORP1 citations52
US11107691B2Aug 31, 2021
Method of manufacturing semiconductor device
DENSO CORP0 citations51
US9673288B2Jun 6, 2017
Silicon carbide semiconductor device including conductivity layer in trench
DENSO CORP1 citations51
US9515160B2Dec 6, 2016
Silicon carbide semiconductor device and method for producing the same
DENSO CORP0 citations51
US11967564B2Apr 23, 2024
Method for manufacturing semiconductor device
DENSO CORP0 citations45
FUJIWARA HIROKAZU
4 patentsUS8748975B2Jun 10, 2014
Switching element and manufacturing method thereof
FUJIWARA HIROKAZU7 citations83
US8440524B2May 14, 2013
Semiconductor device manufacturing method
FUJIWARA HIROKAZU14 citations83
US9201094B2Dec 1, 2015
Wafer examination device and wafer examination method
FUJIWARA HIROKAZU3 citations61
US9607836B2Mar 28, 2017
Semiconductor device and manufacturing method of semiconductor device
FUJIWARA HIROKAZU0 citations40
TAKAYA HIDEFUMI
3 patentsUS9257501B2Feb 9, 2016
Semiconductor device
TAKAYA HIDEFUMI1 citations51
US9276075B2Mar 1, 2016
Semiconductor device having vertical MOSFET structure that utilizes a trench-type gate electrode and method of producing the same
TAKAYA HIDEFUMI0 citations41
US8878290B2Nov 4, 2014
Semiconductor device
TAKAYA HIDEFUMI0 citations41