Inventor
ENDOH TETSUO
JP116 patents
⚠️ This page may combine multiple inventors who share the name “ENDOH TETSUO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOSHIBA KK
21 patentsUS6014330AJan 11, 2000
Non-volatile semiconductor memory device
TOSHIBA KK120 citations99
US5946231AAug 31, 1999
Non-volatile semiconductor memory device
TOSHIBA KK129 citations99
US5774397AJun 30, 1998
Non-volatile semiconductor memory device and method of programming a non-volatile memory cell to a predetermined state
TOSHIBA KK1,150 citations99
US5602789AFeb 11, 1997
Electrically erasable and programmable non-volatile and multi-level memory systemn with write-verify controller
TOSHIBA KK284 citations99
US5555204ASep 10, 1996
Non-volatile semiconductor memory device
TOSHIBA KK203 citations99
US5469444ANov 21, 1995
Electrically erasable and programmable non-volatile memory system with write-verify controller using two reference levels
TOSHIBA KK174 citations99
US5386422AJan 31, 1995
Electrically erasable and programmable non-volatile memory system with write-verify controller using two reference levels
TOSHIBA KK293 citations99
US5321699AJun 14, 1994
Electrically erasable and programmable non-volatile memory system with write-verify controller using two reference levels
TOSHIBA KK171 citations99
US6188611B1Feb 13, 2001
Non-volatile semiconductor memory device
TOSHIBA KK79 citations96
US5895949AApr 20, 1999
Semiconductor device having inversion inducing gate
TOSHIBA KK88 citations96
US5677556AOct 14, 1997
Semiconductor device having inversion inducing gate
TOSHIBA KK65 citations96
US5523980AJun 4, 1996
Semiconductor memory device
TOSHIBA KK99 citations96
US5596523AJan 21, 1997
Electrically erasable programmable read-only memory with an array of one-transistor memory cells
TOSHIBA KK18 citations93
US5483484AJan 9, 1996
Electrically erasable programmable read-only memory with an array of one-transistor memory cells
TOSHIBA KK41 citations93
US5355332AOct 11, 1994
Electrically erasable programmable read-only memory with an array of one-transistor memory cells
TOSHIBA KK30 citations93
US5088060AFeb 11, 1992
Electrically erasable programmable read-only memory with NAND memory cell structure
TOSHIBA KK37 citations93
US4996669AFeb 26, 1991
Electrically erasable programmable read-only memory with NAND memory cell structure
TOSHIBA KK47 citations93
US5824583AOct 20, 1998
Non-volatile semiconductor memory and method of manufacturing the same
TOSHIBA KK26 citations92
US5323039AJun 21, 1994
Non-volatile semiconductor memory and method of manufacturing the same
TOSHIBA KK20 citations92
US5179427AJan 12, 1993
Non-volatile semiconductor memory device with voltage stabilizing electrode
TOSHIBA KK32 citations92
US5597748AJan 28, 1997
Method of manufacturing NAND type EEPROM
TOSHIBA KK6 citations74
UNIV TOHOKU
16 patentsUS9466363B2Oct 11, 2016
Integrated circuit
UNIV TOHOKU9 citations84
US9941468B2Apr 10, 2018
Magnetoresistance effect element and magnetic memory device
UNIV TOHOKU9 citations78
US11705176B2Jul 18, 2023
Storage circuit provided with variable resistance type elements, and its test device
UNIV TOHOKU5 citations75
US11417378B2Aug 16, 2022
Integrated circuit device
UNIV TOHOKU3 citations73
US10665282B2May 26, 2020
Memory circuit provided with variable-resistance element
UNIV TOHOKU5 citations73
US10586580B2Mar 10, 2020
Magnetic tunnel junction element and magnetic memory
UNIV TOHOKU2 citations73
US11563169B2Jan 24, 2023
Magnetic tunnel junction element and magnetic memory
UNIV TOHOKU2 citations72
US9928906B2Mar 27, 2018
Data-write device for resistance-change memory element
UNIV TOHOKU2 citations72
US10643701B2May 5, 2020
Memory device and memory system
UNIV TOHOKU4 citations70
US12520732B2Jan 6, 2026
Tunnel junction laminated film, magnetic memory element, and magnetic memory
UNIV TOHOKU0 citations63
US12236988B2Feb 25, 2025
Magnetic laminated film, magnetic memory element, magnetic memory, and artificial intelligence system
UNIV TOHOKU0 citations63
US11690299B2Jun 27, 2023
Magnetoresistance effect element and magnetic memory
UNIV TOHOKU1 citations63
US11610614B2Mar 21, 2023
Magnetoresistive element, magnetic memory device, and writing and reading method for magnetic memory device
UNIV TOHOKU1 citations63
US11081641B2Aug 3, 2021
Magnetoresistance effect element, magnetic memory, and method for manufacturing magnetoresistance effect element
UNIV TOHOKU1 citations63
US10749107B2Aug 18, 2020
Method of manufacturing magnetic tunnel coupling element
UNIV TOHOKU1 citations63
US11770981B2Sep 26, 2023
Magnetoresistive element and magnetic memory
UNIV TOHOKU1 citations62
MASUOKA FUJIO
3 patentsUS6727544B2Apr 27, 2004
Semiconductor memory including cell(s) with both charge storage layer(s) and control gate laterally surrounding island-like semiconductor layer
MASUOKA FUJIO148 citations99
US6870215B2Mar 22, 2005
Semiconductor memory and its production process
MASUOKA FUJIO99 citations95
US6593231B2Jul 15, 2003
Process of manufacturing electron microscopic sample and process of analyzing semiconductor device
MASUOKA FUJIO17 citations84
SHARP KK
3 patentsUS6933556B2Aug 23, 2005
Semiconductor memory with gate at least partially located in recess defined in vertically oriented semiconductor layer
SHARP KK88 citations98
US7135726B2Nov 14, 2006
Semiconductor memory and its production process
SHARP KK31 citations92
US7141506B2Nov 28, 2006
Method for evaluating dependence of properties of semiconductor substrate on plane orientation and semiconductor device using the same
SHARP KK11 citations84
SK HYNIX INC
2 patentsENDOH TETSUO
2 patentsFUJIO MASUOKA
1 patentNEC CORP
1 patentSHARP SEMICONDUCTOR INNOVATION CORP
1 patentShowing the top 50 of 116 patents by PatentIndex Score.