Inventor
IKEDA KEIJI
JP63 patents
⚠️ This page may combine multiple inventors who share the name “IKEDA KEIJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOSHIBA MEMORY CORP
19 patentsUS10043808B1Aug 7, 2018
Semiconductor memory
TOSHIBA MEMORY CORP21 citations94
US10790396B2Sep 29, 2020
Semiconductor device and method for manufacturing the same
TOSHIBA MEMORY CORP12 citations86
US10714629B2Jul 14, 2020
Transistor, semiconductor memory device, and method of manufacturing transistor
TOSHIBA MEMORY CORP7 citations84
US10312239B2Jun 4, 2019
Semiconductor memory including semiconductor oxie
TOSHIBA MEMORY CORP13 citations84
US10056150B2Aug 21, 2018
Non-volatile semiconductor memory device
TOSHIBA MEMORY CORP11 citations84
US9818757B2Nov 14, 2017
Semiconductor device
TOSHIBA MEMORY CORP12 citations84
US9806082B2Oct 31, 2017
Semiconductor memory device including a sense amplifier on a semiconductor substrate, a memory cell including a capacitor and a transistor including conductive lines electrically connected to the sense amplifier
TOSHIBA MEMORY CORP13 citations84
US9786683B1Oct 10, 2017
Nonvolatile semiconductor memory device and method of manufacturing the same
TOSHIBA MEMORY CORP15 citations84
US10950295B2Mar 16, 2021
Memory cell array having three-dimensional structure
TOSHIBA MEMORY CORP2 citations73
US10636479B2Apr 28, 2020
Semiconductor memory device
TOSHIBA MEMORY CORP6 citations73
US10608009B2Mar 31, 2020
Peripheral structure for NAND flash memory device
TOSHIBA MEMORY CORP2 citations73
US10553601B2Feb 4, 2020
Semiconductor memory including semiconductor oxide
TOSHIBA MEMORY CORP3 citations73
US10497712B2Dec 3, 2019
Semiconductor memory
TOSHIBA MEMORY CORP6 citations73
US10431287B2Oct 1, 2019
Semiconductor memory device including a memory cell with first and second transistors
TOSHIBA MEMORY CORP2 citations73
US9978441B2May 22, 2018
Semiconductor memory device
TOSHIBA MEMORY CORP5 citations73
US11024719B2Jun 1, 2021
Semiconductor device and production method thereof
TOSHIBA MEMORY CORP3 citations72
US10950735B2Mar 16, 2021
Semiconductor device
TOSHIBA MEMORY CORP0 citations62
US10192876B2Jan 29, 2019
Transistor, memory, and manufacturing method of transistor
TOSHIBA MEMORY CORP1 citations62
US10332581B2Jun 25, 2019
Semiconductor memory device
TOSHIBA MEMORY CORP0 citations52
KIOXIA CORP
8 patentsUS11462542B2Oct 4, 2022
Semiconductor storage device
KIOXIA CORP3 citations73
US11430886B2Aug 30, 2022
Semiconductor device and semiconductor memory device
KIOXIA CORP3 citations73
US11569241B2Jan 31, 2023
Semiconductor device
KIOXIA CORP3 citations72
US11942545B2Mar 26, 2024
Semiconductor memory device
KIOXIA CORP0 citations63
US12354697B2Jul 8, 2025
Semiconductor memory device
KIOXIA CORP0 citations52
US12354696B2Jul 8, 2025
Semiconductor memory device
KIOXIA CORP0 citations52
US12089395B2Sep 10, 2024
Semiconductor device and semiconductor memory device
KIOXIA CORP0 citations52
US11374130B2Jun 28, 2022
Semiconductor device and semiconductor memory device
KIOXIA CORP0 citations52
TOSHIBA KK
6 patentsUS9698272B1Jul 4, 2017
Transistor and semiconductor memory device
TOSHIBA KK161 citations99
US10665587B2May 26, 2020
Semiconductor device and manufacturing method of the same
TOSHIBA KK2 citations73
US10049720B2Aug 14, 2018
Dynamic random access memory (DRAM)
TOSHIBA KK4 citations73
US9721951B2Aug 1, 2017
Semiconductor device using Ge channel and manufacturing method thereof
TOSHIBA KK4 citations69
US10096641B2Oct 9, 2018
CMOS image sensor
TOSHIBA KK1 citations52
US9997496B2Jun 12, 2018
Semiconductor integrated circuit
TOSHIBA KK0 citations52
FUJITSU LTD
5 patentsUS7019336B2Mar 28, 2006
Semiconductor device and method for manufacturing the same
FUJITSU LTD13 citations83
US6936487B2Aug 30, 2005
Semiconductor device with ohmic electrode formed on compound semiconductor having wide band gap and its manufacture method
FUJITSU LTD7 citations74
US6855987B2Feb 15, 2005
Semiconductor device with high mobility and high speed
FUJITSU LTD7 citations74
US7316959B2Jan 8, 2008
Semiconductor device and method for fabricating the same
FUJITSU LTD3 citations63
US6803613B2Oct 12, 2004
Semiconductor device and manufacturing method of the same
FUJITSU LTD3 citations63
IKEDA KEIJI
4 patentsUS8394690B2Mar 12, 2013
Semiconductor device and fabrication method thereof
IKEDA KEIJI28 citations92
US8242568B2Aug 14, 2012
Semiconductor device and fabrication method thereof
IKEDA KEIJI20 citations92
US8679961B2Mar 25, 2014
Method of manufacturing semiconductor device having pre-silicide nitrogen implant
IKEDA KEIJI6 citations73
US8492793B2Jul 23, 2013
Semiconductor device and method of manufacturing the same
IKEDA KEIJI6 citations73
FUJITSU TAKAMISAWA COMPONENT
4 patentsUS6489868B1Dec 3, 2002
Electromagnetic relay
FUJITSU TAKAMISAWA COMPONENT18 citations92
US6853275B2Feb 8, 2005
Electromagnetic relay
FUJITSU TAKAMISAWA COMPONENT6 citations73
US6831533B2Dec 14, 2004
Electromagnetic relay
FUJITSU TAKAMISAWA COMPONENT5 citations73
US6756868B2Jun 29, 2004
Electromagnetic relay
FUJITSU TAKAMISAWA COMPONENT2 citations62
FUJITSU SEMICONDUCTOR LTD
1 patentSUMITOMO RUBBER IND
1 patentSEIKO KABUSHIKI KAISHA HATTORI
1 patentFUJITSU MICROELECTRONICS LTD
1 patentShowing the top 50 of 63 patents by PatentIndex Score.