Inventor · disambiguated record
Keiji Ikeda
Also filed as: IKEDA KEIJI
62 granted patents·22 pending applications·487 citations·filing 1996–2025
98Inventor score
Top patents by PatentIndex Score
84 records- 0198US9698272B1Transistor and semiconductor memory deviceTOSHIBA KK·Filed 2016·Granted Jul 4, 2017·161 cites·20 claims
- 0296US11430886B2Semiconductor device and semiconductor memory deviceKIOXIA CORP·Filed 2021·Granted Aug 30, 2022·3 cites·18 claims
- 0396US8394690B2Semiconductor device and fabrication method thereofIKEDA KEIJI·Filed 2012·Granted Mar 12, 2013·28 cites·12 claims
- 0495US10790396B2Semiconductor device and method for manufacturing the sameTOSHIBA MEMORY CORP·Filed 2018·Granted Sep 29, 2020·12 cites·17 claims
- 0595US10043808B1Semiconductor memoryTOSHIBA MEMORY CORP·Filed 2017·Granted Aug 7, 2018·21 cites·19 claims
- 0695US9786683B1Nonvolatile semiconductor memory device and method of manufacturing the sameTOSHIBA MEMORY CORP·Filed 2016·Granted Oct 10, 2017·15 cites·15 claims
- 0794US11569241B2Semiconductor deviceKIOXIA CORP·Filed 2021·Granted Jan 31, 2023·3 cites·6 claims
- 0894US9818757B2Semiconductor deviceTOSHIBA MEMORY CORP·Filed 2016·Granted Nov 14, 2017·12 cites·18 claims
- 0994US8242568B2Semiconductor device and fabrication method thereofIKEDA KEIJI·Filed 2010·Granted Aug 14, 2012·20 cites·8 claims
- 1092US11462542B2Semiconductor storage deviceKIOXIA CORP·Filed 2020·Granted Oct 4, 2022·3 cites·19 claims
- 1192US10714629B2Transistor, semiconductor memory device, and method of manufacturing transistorTOSHIBA MEMORY CORP·Filed 2018·Granted Jul 14, 2020·7 cites·13 claims
- 1292US10312239B2Semiconductor memory including semiconductor oxieTOSHIBA MEMORY CORP·Filed 2017·Granted Jun 4, 2019·13 cites·9 claims
- 1392US9806082B2Semiconductor 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 amplifierTOSHIBA MEMORY CORP·Filed 2016·Granted Oct 31, 2017·13 cites·17 claims
- 1490US10056150B2Non-volatile semiconductor memory deviceTOSHIBA MEMORY CORP·Filed 2017·Granted Aug 21, 2018·11 cites·18 claims
- 1588US7825493B2Field-effect transistor and method for fabricating the sameFUJITSU SEMICONDUCTOR LTD·Filed 2006·Granted Nov 2, 2010·11 cites·14 claims
- 1684US11024719B2Semiconductor device and production method thereofTOSHIBA MEMORY CORP·Filed 2019·Granted Jun 1, 2021·3 cites·26 claims
- 1784US10636479B2Semiconductor memory deviceTOSHIBA MEMORY CORP·Filed 2018·Granted Apr 28, 2020·6 cites·14 claims
- 1884US10497712B2Semiconductor memoryTOSHIBA MEMORY CORP·Filed 2018·Granted Dec 3, 2019·6 cites·19 claims
- 1983US8679961B2Method of manufacturing semiconductor device having pre-silicide nitrogen implantIKEDA KEIJI·Filed 2011·Granted Mar 25, 2014·6 cites·13 claims
- 2081US6489868B1Electromagnetic relayFUJITSU TAKAMISAWA COMPONENT·Filed 2000·Granted Dec 3, 2002·18 cites·4 claims
- 2180US9978441B2Semiconductor memory deviceTOSHIBA MEMORY CORP·Filed 2017·Granted May 22, 2018·5 cites·20 claims
- 2280US8492793B2Semiconductor device and method of manufacturing the sameIKEDA KEIJI·Filed 2010·Granted Jul 23, 2013·6 cites·10 claims
- 2379US10665587B2Semiconductor device and manufacturing method of the sameTOSHIBA KK·Filed 2018·Granted May 26, 2020·2 cites·7 claims
- 2477US10049720B2Dynamic random access memory (DRAM)TOSHIBA KK·Filed 2017·Granted Aug 14, 2018·4 cites·20 claims
- 2577US9721951B2Semiconductor device using Ge channel and manufacturing method thereofTOSHIBA KK·Filed 2014·Granted Aug 1, 2017·4 cites·9 claims
- 2674US10553601B2Semiconductor memory including semiconductor oxideTOSHIBA MEMORY CORP·Filed 2018·Granted Feb 4, 2020·3 cites·20 claims
- 2773US10608009B2Peripheral structure for NAND flash memory deviceTOSHIBA MEMORY CORP·Filed 2016·Granted Mar 31, 2020·2 cites·7 claims
- 2873US10431287B2Semiconductor memory device including a memory cell with first and second transistorsTOSHIBA MEMORY CORP·Filed 2017·Granted Oct 1, 2019·2 cites·13 claims
- 2970US7655516B2Semiconductor device and method of manufacturing the sameFUJITSU MICROELECTRONICS LTD·Filed 2007·Granted Feb 2, 2010·4 cites·16 claims
- 3069US10421842B2Preparation method of rubber composition for tire and production method of tireSUMITOMO RUBBER IND·Filed 2017·Granted Sep 24, 2019·0 cites·20 claims
- 3168US10950295B2Memory cell array having three-dimensional structureTOSHIBA MEMORY CORP·Filed 2019·Granted Mar 16, 2021·2 cites·16 claims
- 3268US10759925B2Preparation method of rubber composition for tire and production method of tireSUMITOMO RUBBER IND·Filed 2017·Granted Sep 1, 2020·0 cites·6 claims
- 3368US10192876B2Transistor, memory, and manufacturing method of transistorTOSHIBA MEMORY CORP·Filed 2017·Granted Jan 29, 2019·1 cites·12 claims
- 3468US10096641B2CMOS image sensorTOSHIBA KK·Filed 2016·Granted Oct 9, 2018·1 cites·10 claims
- 3567US11942545B2Semiconductor memory deviceKIOXIA CORP·Filed 2022·Granted Mar 26, 2024·0 cites·19 claims
- 3667US9837549B2Oxide semiconductor and semiconductor deviceTOSHIBA KK·Filed 2016·Granted Dec 5, 2017·1 cites·8 claims
- 3767US7019336B2Semiconductor device and method for manufacturing the sameFUJITSU LTD·Filed 2004·Granted Mar 28, 2006·13 cites·20 claims
- 3867US2025275130A1Semiconductor memory deviceKIOXIA CORP·Filed 2024·Application pending·0 cites
- 3966US6855987B2Semiconductor device with high mobility and high speedFUJITSU LTD·Filed 2003·Granted Feb 15, 2005·7 cites·13 claims
- 4064US2024324174A1Semiconductor memory deviceKIOXIA CORP·Filed 2024·Application pending·0 cites
- 4163US2025070024A1Semiconductor memory deviceKIOXIA CORP·Filed 2024·Application pending·0 cites
- 4263US2025301758A1Semiconductor device and semiconductor memory deviceKIOXIA CORP·Filed 2025·Application pending·0 cites
- 4360US2024312911A1Semiconductor memory deviceKIOXIA CORP·Filed 2024·Application pending·0 cites
- 4459US6936487B2Semiconductor device with ohmic electrode formed on compound semiconductor having wide band gap and its manufacture methodFUJITSU LTD·Filed 2003·Granted Aug 30, 2005·7 cites·12 claims
- 4559US2024260253A1Semiconductor memory deviceKIOXIA CORP·Filed 2024·Application pending·0 cites
- 4658US6853275B2Electromagnetic relayFUJITSU TAKAMISAWA COMPONENT·Filed 2002·Granted Feb 8, 2005·6 cites·4 claims
- 4758US6699921B2Rubber composition for tire and tire using the sameSUMITOMO RUBBER IND·Filed 2001·Granted Mar 2, 2004·13 cites·3 claims
- 4857US10421854B2Preparation method of rubber composition for tire and production method of tireSUMITOMO RUBBER IND·Filed 2017·Granted Sep 24, 2019·0 cites·20 claims
- 4956US2023301065A1Semiconductor memory device and method of producing the sameKIOXIA CORP·Filed 2022·Application pending·0 cites
- 5055US7316959B2Semiconductor device and method for fabricating the sameFUJITSU LTD·Filed 2004·Granted Jan 8, 2008·3 cites·5 claims
Showing the top 50 of 84 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Keiji Ikeda files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →