Inventor
NITTA TETSUYA
JP42 patents
⚠️ This page may combine multiple inventors who share the name “NITTA TETSUYA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITSUBISHI ELECTRIC CORP
17 patentsUS6821824B2Nov 23, 2004
Semiconductor device and method of manufacturing the same
MITSUBISHI ELECTRIC CORP53 citations96
US6307246B1Oct 23, 2001
Semiconductor resurf devices formed by oblique trench implantation
MITSUBISHI ELECTRIC CORP194 citations96
US6518144B2Feb 11, 2003
Semiconductor device having trenches and process for same
MITSUBISHI ELECTRIC CORP42 citations92
US7105387B2Sep 12, 2006
Semiconductor device and manufacturing method for the same
MITSUBISHI ELECTRIC CORP13 citations84
US6949798B2Sep 27, 2005
Semiconductor device
MITSUBISHI ELECTRIC CORP9 citations74
US11239329B2Feb 1, 2022
Semiconductor device
MITSUBISHI ELECTRIC CORP0 citations62
US12328887B2Jun 10, 2025
Semiconductor device and method of manufacturing semiconductor device
MITSUBISHI ELECTRIC CORP0 citations51
US12154976B2Nov 26, 2024
Semiconductor device and method of manufacturing semiconductor device
MITSUBISHI ELECTRIC CORP0 citations51
US11777021B2Oct 3, 2023
Semiconductor device
MITSUBISHI ELECTRIC CORP0 citations51
US11621321B2Apr 4, 2023
Semiconductor device
MITSUBISHI ELECTRIC CORP0 citations51
US11462615B2Oct 4, 2022
Semiconductor device
MITSUBISHI ELECTRIC CORP0 citations51
US11322604B2May 3, 2022
Semiconductor device and manufacturing method thereof
MITSUBISHI ELECTRIC CORP0 citations51
US12501635B2Dec 16, 2025
Semiconductor device
MITSUBISHI ELECTRIC CORP0 citations50
US12009360B2Jun 11, 2024
Semiconductor device and method for manufacturing the same
MITSUBISHI ELECTRIC CORP0 citations50
US11875990B2Jan 16, 2024
Semiconductor device including IGBT, boundary, and diode regions
MITSUBISHI ELECTRIC CORP0 citations50
US11569225B2Jan 31, 2023
Semiconductor device
MITSUBISHI ELECTRIC CORP0 citations50
US11908954B2Feb 20, 2024
Semiconductor device with insulated gate bipolar transistor region and diode region provided on semiconductor substrate and adjacent to each other
MITSUBISHI ELECTRIC CORP0 citations49
RENESAS ELECTRONICS CORP
13 patentsUS8692352B2Apr 8, 2014
Semiconductor device and method for manufacturing the same
RENESAS ELECTRONICS CORP12 citations91
US8357989B2Jan 22, 2013
Semiconductor device and method for manufacturing the same
RENESAS ELECTRONICS CORP23 citations91
US10249708B2Apr 2, 2019
Semiconductor device
RENESAS ELECTRONICS CORP3 citations73
US9881868B2Jan 30, 2018
Semiconductor device
RENESAS ELECTRONICS CORP3 citations72
US8030730B2Oct 4, 2011
Semiconductor device and manufacturing method thereof
RENESAS ELECTRONICS CORP4 citations62
USRE48450EFeb 23, 2021
Semiconductor device and method for manufacturing the same
RENESAS ELECTRONICS CORP0 citations61
USRE46773EApr 3, 2018
Semiconductor device and method for manufacturing the same
RENESAS ELECTRONICS CORP1 citations61
US8344458B2Jan 1, 2013
Semiconductor device
RENESAS ELECTRONICS CORP3 citations60
US10128359B2Nov 13, 2018
Semiconductor device with improved short circuit capability
RENESAS ELECTRONICS CORP1 citations52
US9806147B2Oct 31, 2017
Semiconductor device
RENESAS ELECTRONICS CORP0 citations52
US9583604B2Feb 28, 2017
Semiconductor device with improved short circuit capability
RENESAS ELECTRONICS CORP1 citations52
US9972679B2May 15, 2018
Semiconductor device
RENESAS ELECTRONICS CORP1 citations50
US9356135B2May 31, 2016
Semiconductor device and method of manufacturing the same
RENESAS ELECTRONICS CORP0 citations41
TSUDAKOMA IND CO LTD
4 patentsUS7418889B2Sep 2, 2008
Index table assembly
TSUDAKOMA IND CO LTD17 citations92
US7530293B2May 12, 2009
Index table assembly
TSUDAKOMA IND CO LTD5 citations63
US7942080B2May 17, 2011
Index table assembly
TSUDAKOMA IND CO LTD1 citations52
US11986915B2May 21, 2024
Rotary table device
TSUDAKOMA IND CO LTD0 citations47
RENESAS TECH CORP
3 patentsUS7339236B2Mar 4, 2008
Semiconductor device, driver circuit and manufacturing method of semiconductor device
RENESAS TECH CORP11 citations83
US7541248B2Jun 2, 2009
Integrated semiconductor device and method of manufacturing thereof
RENESAS TECH CORP3 citations63
US7186623B2Mar 6, 2007
Integrated semiconductor device and method of manufacturing thereof
RENESAS TECH CORP3 citations63