Inventor
YAMAJI MASAHARU
JP50 patents
⚠️ This page may combine multiple inventors who share the name “YAMAJI MASAHARU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJI ELECTRIC CO LTD
41 patentsUS9412732B2Aug 9, 2016
Semiconductor device
FUJI ELECTRIC CO LTD10 citations84
US10547304B2Jan 28, 2020
Semiconductor integrated circuit for driving switching device with integrated negative voltage clamp diode
FUJI ELECTRIC CO LTD2 citations73
US10217861B2Feb 26, 2019
High voltage integrated circuit with high voltage junction termination region
FUJI ELECTRIC CO LTD2 citations73
US10217765B2Feb 26, 2019
Semiconductor integrated circuit
FUJI ELECTRIC CO LTD2 citations73
US10135445B2Nov 20, 2018
Semiconductor integrated circuit device
FUJI ELECTRIC CO LTD2 citations73
US10043872B2Aug 7, 2018
Semiconductor device
FUJI ELECTRIC CO LTD3 citations73
US10002961B2Jun 19, 2018
Semiconductor device suppressing current leakage in a bootstrap diode
FUJI ELECTRIC CO LTD3 citations73
US9608072B2Mar 28, 2017
Semiconductor device
FUJI ELECTRIC CO LTD2 citations73
US9443966B2Sep 13, 2016
High breakdown voltage semiconductor device
FUJI ELECTRIC CO LTD4 citations73
US8860172B2Oct 14, 2014
High voltage semiconductor device
FUJI ELECTRIC CO LTD4 citations73
US8633563B2Jan 21, 2014
High-voltage integrated circuit device
FUJI ELECTRIC CO LTD5 citations73
US10727180B2Jul 28, 2020
Resistive element and method of manufacturing the resistive element
FUJI ELECTRIC CO LTD4 citations72
US9136326B2Sep 15, 2015
Semiconductor device with increased ESD resistance and manufacturing method thereof
FUJI ELECTRIC CO LTD2 citations63
US8368141B2Feb 5, 2013
High breakdown voltage semiconductor device and high voltage integrated circuit
FUJI ELECTRIC CO LTD2 citations63
US11233052B2Jan 25, 2022
Method of manufacturing semiconductor integrated circuit
FUJI ELECTRIC CO LTD0 citations62
US11171201B2Nov 9, 2021
Semiconductor integrated circuit having a first buried layer and a second buried layer
FUJI ELECTRIC CO LTD0 citations62
US11146268B2Oct 12, 2021
High voltage integrated circuit
FUJI ELECTRIC CO LTD1 citations62
US10396167B2Aug 27, 2019
Semiconductor device
FUJI ELECTRIC CO LTD1 citations62
US10367056B2Jul 30, 2019
Semiconductor device
FUJI ELECTRIC CO LTD1 citations62
US10192870B2Jan 29, 2019
Semiconductor device
FUJI ELECTRIC CO LTD1 citations62
US9117797B2Aug 25, 2015
High-voltage semiconductor device
FUJI ELECTRIC CO LTD2 citations62
US12261117B2Mar 25, 2025
Semiconductor device and method of manufacturing the same
FUJI ELECTRIC CO LTD0 citations61
US10566412B2Feb 18, 2020
High voltage junction field effect transistor (JFET) with spiral voltage divider
FUJI ELECTRIC CO LTD1 citations61
US12310099B2May 20, 2025
Semiconductor device
FUJI ELECTRIC CO LTD0 citations52
US12302614B2May 13, 2025
Semiconductor device
FUJI ELECTRIC CO LTD0 citations52
US11562995B2Jan 24, 2023
Semiconductor integrated circuit
FUJI ELECTRIC CO LTD0 citations52
US11373997B2Jun 28, 2022
High voltage integrated circuit device employing element separation method using high voltage junction
FUJI ELECTRIC CO LTD0 citations52
US11189685B2Nov 30, 2021
Resistance element and manufacturing method of resistance element
FUJI ELECTRIC CO LTD0 citations52
US10825812B2Nov 3, 2020
Semiconductor integrated circuit
FUJI ELECTRIC CO LTD0 citations52
US10566410B2Feb 18, 2020
High breakdown voltage passive element
FUJI ELECTRIC CO LTD0 citations52
US10224390B2Mar 5, 2019
High breakdown voltage passive element and high breakdown voltage passive element manufacturing method
FUJI ELECTRIC CO LTD0 citations52
US9773878B2Sep 26, 2017
Semiconductor device and manufacturing method thereof
FUJI ELECTRIC CO LTD1 citations52
US9762048B2Sep 12, 2017
Semiconductor device
FUJI ELECTRIC CO LTD1 citations52
US9722019B2Aug 1, 2017
High voltage integrated circuit device
FUJI ELECTRIC CO LTD1 citations52
US9711659B2Jul 18, 2017
Semiconductor device
FUJI ELECTRIC CO LTD1 citations51
US9293525B2Mar 22, 2016
Semiconductor device and method of manufacturing semiconductor device
FUJI ELECTRIC CO LTD1 citations50
US10658504B2May 19, 2020
Semiconductor integrated circuit device
FUJI ELECTRIC CO LTD0 citations42
US9478543B2Oct 25, 2016
Semiconductor integrated circuit
FUJI ELECTRIC CO LTD0 citations42
US9385125B2Jul 5, 2016
Semiconductor integrated circuit device
FUJI ELECTRIC CO LTD0 citations42
US10121783B2Nov 6, 2018
Semiconductor integrated circuit and semiconductor module
FUJI ELECTRIC CO LTD0 citations40
US9537486B2Jan 3, 2017
Semiconductor device and power conversion device using the same
FUJI ELECTRIC CO LTD0 citations40
YAMAJI MASAHARU
7 patentsUS8269305B2Sep 18, 2012
High-voltage semiconductor device
YAMAJI MASAHARU6 citations72
US8674729B2Mar 18, 2014
High voltage semiconductor device and driving circuit
YAMAJI MASAHARU2 citations62
US8507998B2Aug 13, 2013
Semiconductor device
YAMAJI MASAHARU2 citations62
US8148785B2Apr 3, 2012
Semiconductor device
YAMAJI MASAHARU2 citations62
US8704328B2Apr 22, 2014
High-voltage integrated circuit device
YAMAJI MASAHARU1 citations51
US8546889B2Oct 1, 2013
Semiconductor device and driving circuit
YAMAJI MASAHARU1 citations51
US8242572B2Aug 14, 2012
Semiconductor apparatus
YAMAJI MASAHARU0 citations41