Inventor
KACHI TSUYOSHI
JP44 patents
⚠️ This page may combine multiple inventors who share the name “KACHI TSUYOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RENESAS ELECTRONICS CORP
21 patentsUS9209249B2Dec 8, 2015
Semiconductor device and method of manufacturing the same
RENESAS ELECTRONICS CORP7 citations84
US7977739B2Jul 12, 2011
Semiconductor device and manufacturing method for semiconductor device
RENESAS ELECTRONICS CORP8 citations84
US7968939B2Jun 28, 2011
Semiconductor device and method of manufacturing the same
RENESAS ELECTRONICS CORP8 citations84
US9142555B2Sep 22, 2015
Semiconductor device
RENESAS ELECTRONICS CORP7 citations81
US9406787B2Aug 2, 2016
Semiconductor device including an IGBT as a power transistor
RENESAS ELECTRONICS CORP8 citations79
US7847347B2Dec 7, 2010
Semiconductor device and method of manufacturing the same
RENESAS ELECTRONICS CORP5 citations74
US7825480B2Nov 2, 2010
Power semiconductor device and manufacturing method of the same
RENESAS ELECTRONICS CORP7 citations74
US10381435B2Aug 13, 2019
Semiconductor device and manufacturing method therefor
RENESAS ELECTRONICS CORP2 citations71
US10164087B2Dec 25, 2018
Semiconductor device and method of manufacturing same
RENESAS ELECTRONICS CORP2 citations71
US10749026B2Aug 18, 2020
Semiconductor device and method of manufacturing the semiconductor device
RENESAS ELECTRONICS CORP1 citations62
US10615251B2Apr 7, 2020
Semiconductor device and manufacturing method thereof
RENESAS ELECTRONICS CORP1 citations62
US9397156B2Jul 19, 2016
Semiconductor device and method of manufacturing the same
RENESAS ELECTRONICS CORP1 citations52
US9166017B2Oct 20, 2015
Method of manufacturing semiconductor device and semiconductor device
RENESAS ELECTRONICS CORP1 citations52
US8937350B2Jan 20, 2015
Semiconductor device and method of manufacturing the same
RENESAS ELECTRONICS CORP0 citations52
US8659078B2Feb 25, 2014
Semiconductor device and method of manufacturing the same
RENESAS ELECTRONICS CORP0 citations52
US11152353B2Oct 19, 2021
Semiconductor device and method of manufacturing the same
RENESAS ELECTRONICS CORP0 citations51
US11296219B2Apr 5, 2022
Semiconductor device and method of manufacturing the same
RENESAS ELECTRONICS CORP0 citations50
US9397160B2Jul 19, 2016
Semiconductor device
RENESAS ELECTRONICS CORP0 citations49
US9231082B2Jan 5, 2016
Power semiconductor device having gate electrode coupling portions for etchant control
RENESAS ELECTRONICS CORP0 citations48
US9780187B2Oct 3, 2017
Semiconductor device including an IGBT as a power transistor and a method of manufacturing the same
RENESAS ELECTRONICS CORP1 citations47
US10727105B2Jul 28, 2020
Semiconductor device and manufacturing method therefor
RENESAS ELECTRONICS CORP0 citations39
TOSHIBA KK
12 patentsUS11522058B2Dec 6, 2022
Semiconductor device with field plate electrode
TOSHIBA KK5 citations73
US11239357B2Feb 1, 2022
Semiconductor device
TOSHIBA KK4 citations73
US12519074B2Jan 6, 2026
Semiconductor chip and semiconductor device
TOSHIBA KK0 citations62
US11776999B2Oct 3, 2023
Semiconductor device
TOSHIBA KK0 citations52
US11715773B2Aug 1, 2023
Semiconductor device
TOSHIBA KK0 citations52
US11411104B2Aug 9, 2022
Semiconductor device
TOSHIBA KK0 citations52
US12453166B2Oct 21, 2025
Semiconductor device
TOSHIBA KK0 citations51
US12183820B2Dec 31, 2024
Semiconductor device
TOSHIBA KK0 citations51
US11777028B2Oct 3, 2023
Semiconductor device
TOSHIBA KK0 citations51
US12432967B2Sep 30, 2025
Semiconductor device and manufacturing method thereof
TOSHIBA KK0 citations50
US12107159B2Oct 1, 2024
Semiconductor device
TOSHIBA KK0 citations50
US11908912B2Feb 20, 2024
Semiconductor device
TOSHIBA KK0 citations45
RENESAS TECH CORP
3 patentsUS7544568B2Jun 9, 2009
Semiconductor device and method of manufacturing the same
RENESAS TECH CORP30 citations96
US7679136B2Mar 16, 2010
Semiconductor device and manufacturing method of the same
RENESAS TECH CORP23 citations92
US7759730B2Jul 20, 2010
Semiconductor device and method of manufacturing the same
RENESAS TECH CORP4 citations74
HITACHI LTD
3 patentsUS6861304B2Mar 1, 2005
Semiconductor integrated circuit device and method of manufacturing thereof
HITACHI LTD16 citations83
US6831316B1Dec 14, 2004
Semiconductor memory device and method of manufacturing the same
HITACHI LTD11 citations74
US6774536B2Aug 10, 2004
Surface acoustic wave device
HITACHI LTD8 citations73