Inventor
NAKAMURA KAZUTOSHI
JP87 patents
⚠️ This page may combine multiple inventors who share the name “NAKAMURA KAZUTOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOSHIBA KK
35 patentsUS6353252B1Mar 5, 2002
High breakdown voltage semiconductor device having trenched film connected to electrodes
TOSHIBA KK260 citations99
US6297534B1Oct 2, 2001
Power semiconductor device
TOSHIBA KK122 citations98
US6614089B2Sep 2, 2003
Field effect transistor
TOSHIBA KK64 citations96
US6614077B2Sep 2, 2003
Semiconductor device improved in ESD reliability
TOSHIBA KK65 citations96
US7138698B2Nov 21, 2006
Semiconductor device including power MOS field-effect transistor and driver circuit driving thereof
TOSHIBA KK16 citations93
US6605844B2Aug 12, 2003
Semiconductor device
TOSHIBA KK31 citations93
US6563193B1May 13, 2003
Semiconductor device
TOSHIBA KK22 citations93
US6380566B1Apr 30, 2002
Semiconductor device having FET structure with high breakdown voltage
TOSHIBA KK44 citations93
US7893744B2Feb 22, 2011
Semiconductor device
TOSHIBA KK13 citations92
US7061060B2Jun 13, 2006
Offset-gate-type semiconductor device
TOSHIBA KK19 citations92
US6552389B2Apr 22, 2003
Offset-gate-type semiconductor device
TOSHIBA KK19 citations92
US7675757B2Mar 9, 2010
DC-DC converter
TOSHIBA KK18 citations84
US7557545B2Jul 7, 2009
Electric power unit operating in continuous and discontinuous conduction modes and control method therefor
TOSHIBA KK19 citations84
US7253473B2Aug 7, 2007
Semiconductor device and method of manufacturing the same
TOSHIBA KK10 citations84
US6977414B2Dec 20, 2005
Semiconductor device
TOSHIBA KK15 citations84
US6914294B2Jul 5, 2005
Semiconductor device
TOSHIBA KK15 citations84
US6864533B2Mar 8, 2005
MOS field effect transistor with reduced on-resistance
TOSHIBA KK20 citations84
US7432579B2Oct 7, 2008
Semiconductor device with horizontal MOSFET and Schottky barrier diode provided on single substrate
TOSHIBA KK8 citations74
US7115946B2Oct 3, 2006
MOS transistor having an offset region
TOSHIBA KK7 citations74
US7067876B2Jun 27, 2006
Semiconductor device
TOSHIBA KK9 citations74
US6878992B2Apr 12, 2005
Vertical-type power MOSFET with a gate formed in a trench
TOSHIBA KK8 citations74
US10418470B2Sep 17, 2019
Semiconductor device having IGBT portion and diode portion
TOSHIBA KK4 citations73
US9876011B2Jan 23, 2018
Semiconductor device
TOSHIBA KK3 citations73
US9761582B2Sep 12, 2017
Semiconductor device and method of manufacturing semiconductor device
TOSHIBA KK6 citations73
US9620631B2Apr 11, 2017
Power semiconductor device
TOSHIBA KK6 citations73
US7973580B2Jul 5, 2011
Semiconductor device
TOSHIBA KK4 citations73
US9324815B2Apr 26, 2016
Semiconductor device
TOSHIBA KK3 citations72
US9214535B2Dec 15, 2015
Semiconductor device
TOSHIBA KK6 citations72
US9054152B2Jun 9, 2015
Semiconductor device
TOSHIBA KK2 citations63
US7923807B2Apr 12, 2011
Semiconductor device having an insulator including an inductive load driving circuit
TOSHIBA KK4 citations63
US7906808B2Mar 15, 2011
Semiconductor device
TOSHIBA KK3 citations63
US7719053B2May 18, 2010
Semiconductor device having increased gate-source capacity provided by protruding electrode disposed between gate electrodes formed in a trench
TOSHIBA KK6 citations63
US7663186B2Feb 16, 2010
Semiconductor device
TOSHIBA KK4 citations63
US7579669B2Aug 25, 2009
Semiconductor device including power MOS field-effect transistor and driver circuit driving thereof
TOSHIBA KK3 citations63
US7554160B2Jun 30, 2009
Semiconductor device
TOSHIBA KK6 citations63
BROTHER IND LTD
11 patentsUS11740583B2Aug 29, 2023
Image forming apparatus
BROTHER IND LTD2 citations73
US11249438B2Feb 15, 2022
Image forming apparatus
BROTHER IND LTD2 citations73
US11762312B2Sep 19, 2023
Developing cartridge including movable plate for moving holder holding electrical contact surface
BROTHER IND LTD3 citations72
US12411447B2Sep 9, 2025
Sheet conveyance device and image forming apparatus
BROTHER IND LTD1 citations64
US12210300B2Jan 28, 2025
Developing cartridge including movable plate for moving holder holding electrical contact surface
BROTHER IND LTD1 citations63
US12072006B2Aug 27, 2024
Developing device
BROTHER IND LTD0 citations63
US11448289B2Sep 20, 2022
Developing device
BROTHER IND LTD0 citations63
US11401121B2Aug 2, 2022
Sheet tray and image forming device
BROTHER IND LTD0 citations63
US11028903B2Jun 8, 2021
Developing device
BROTHER IND LTD0 citations63
US10841444B2Nov 17, 2020
Image reading apparatus
BROTHER IND LTD1 citations63
US12578676B2Mar 17, 2026
Image forming apparatus including developing guide for guiding attachment and detachment of developing cartridge to and from main body housing
BROTHER IND LTD0 citations62
NAKAMURA KAZUTOSHI
3 patentsHAMAGUCHI MASANORI
1 patentShowing the top 50 of 87 patents by PatentIndex Score.