Inventor · disambiguated record
Ken Oowada
Also filed as: OOWADA KEN
67 granted patents·6 pending applications·692 citations·filing 2005–2023
99Inventor score
Files withSANDISK TECHNOLOGIES LLC31SANDISK TECHNOLOGIES INC22SANDISK CORP9WESTERN DIGITAL TECH INC3DONG YINGDA2
Top patents by PatentIndex Score
73 records- 0199US11322483B1Three-dimensional memory device containing a shared word line driver across different tiers and methods for making the sameSANDISK TECHNOLOGIES LLC·Filed 2020·Granted May 3, 2022·16 cites·20 claims
- 0298US11024393B1Read operation for non-volatile memory with compensation for adjacent wordlineSANDISK TECHNOLOGIES LLC·Filed 2020·Granted Jun 1, 2021·18 cites·20 claims
- 0398US11004525B1Modulation of programming voltage during cyclingSANDISK TECHNOLOGIES LLC·Filed 2020·Granted May 11, 2021·13 cites·20 claims
- 0497US10971231B1Adaptive VPASS for 3D flash memory with pair string structureSANDISK TECHNOLOGIES LLC·Filed 2020·Granted Apr 6, 2021·8 cites·20 claims
- 0597US7355889B2Method for programming non-volatile memory with reduced program disturb using modified pass voltagesSANDISK CORP·Filed 2005·Granted Apr 8, 2008·64 cites·21 claims
- 0696US11094715B2Three-dimensional memory device including different height memory stack structures and methods of making the sameSANDISK TECHNOLOGIES LLC·Filed 2020·Granted Aug 17, 2021·3 cites·14 claims
- 0796US11049580B1Modulation of programming voltage during cyclingSANDISK TECHNOLOGIES LLC·Filed 2020·Granted Jun 29, 2021·6 cites·20 claims
- 0896US8472257B2Nonvolatile memory and method for improved programming with reduced verifyDONG YINGDA·Filed 2011·Granted Jun 25, 2013·32 cites·20 claims
- 0996US8130551B2Extra dummy erase pulses after shallow erase-verify to avoid sensing deep erased threshold voltageOOWADA KEN·Filed 2010·Granted Mar 6, 2012·53 cites·20 claims
- 1096US7295478B2Selective application of program inhibit schemes in non-volatile memorySANDISK CORP·Filed 2005·Granted Nov 13, 2007·47 cites·51 claims
- 1195US9214240B2Dynamic erase depth for improved endurance of non-volatile memorySANDISK TECHNOLOGIES INC·Filed 2014·Granted Dec 15, 2015·20 cites·20 claims
- 1294US8908441B1Double verify method in multi-pass programming to suppress read noiseSANDISK TECHNOLOGIES INC·Filed 2013·Granted Dec 9, 2014·20 cites·20 claims
- 1394US8902668B1Double verify method with soft programming to suppress read noiseSANDISK TECHNOLOGIES INC·Filed 2013·Granted Dec 2, 2014·21 cites·22 claims
- 1494US7355888B2Apparatus for programming non-volatile memory with reduced program disturb using modified pass voltagesSANDISK CORP·Filed 2005·Granted Apr 8, 2008·38 cites·21 claims
- 1593US12046302B2Edge word line concurrent programming with verify for memory apparatus with on-pitch semi-circle drain side select gate technologySANDISK TECHNOLOGIES LLC·Filed 2021·Granted Jul 23, 2024·3 cites·20 claims
- 1693US8953386B2Dynamic bit line bias for programming non-volatile memorySANDISK TECHNOLOGIES INC·Filed 2012·Granted Feb 10, 2015·14 cites·20 claims
- 1793US8787088B2Optimized erase operation for non-volatile memory with partially programmed blockDUTTA DEEPANSHU·Filed 2012·Granted Jul 22, 2014·18 cites·20 claims
- 1893US8218366B2Programming non-volatile storage including reducing impact from other memory cellsDONG YINGDA·Filed 2010·Granted Jul 10, 2012·17 cites·26 claims
- 1992US8958249B2Partitioned erase and erase verification in non-volatile memorySANDISK TECHNOLOGIES INC·Filed 2014·Granted Feb 17, 2015·13 cites·18 claims
- 2092US8885420B2Erase for non-volatile storageSANDISK TECHNOLOGIES INC·Filed 2013·Granted Nov 11, 2014·15 cites·22 claims
- 2192US8885416B2Bit line current trip point modulation for reading nonvolatile storage elementsSANDISK TECHNOLOGIES INC·Filed 2013·Granted Nov 11, 2014·13 cites·29 claims
- 2292US8582381B2Temperature based compensation during verify operations for non-volatile storageOOWADA KEN·Filed 2012·Granted Nov 12, 2013·17 cites·16 claims
- 2391US8743615B2Read compensation for partially programmed blocks of non-volatile storageLEE DANA·Filed 2011·Granted Jun 3, 2014·16 cites·29 claims
- 2491US7447086B2Selective program voltage ramp rates in non-volatile memorySANDISK CORP·Filed 2007·Granted Nov 4, 2008·22 cites·16 claims
- 2590US9548130B2Non-volatile memory with prior state sensingSANDISK TECHNOLOGIES INC·Filed 2015·Granted Jan 17, 2017·10 cites·21 claims
- 2690US8929142B2Programming select gate transistors and memory cells using dynamic verify levelSANDISK TECHNOLOGIES INC·Filed 2013·Granted Jan 6, 2015·11 cites·24 claims
- 2790US8218367B2Verification process for non-volatile storageHEMINK GERRIT JAN·Filed 2011·Granted Jul 10, 2012·10 cites·26 claims
- 2888US9013928B1Dynamic bit line bias for programming non-volatile memorySANDISK TECHNOLOGIES INC·Filed 2014·Granted Apr 21, 2015·9 cites·20 claims
- 2988US8913432B2Programming select gate transistors and memory cells using dynamic verify levelSANDISK TECHNOLOGIES INC·Filed 2014·Granted Dec 16, 2014·9 cites·30 claims
- 3088US7460404B1Boosting for non-volatile storage using channel isolation switchingSANDISK CORP·Filed 2007·Granted Dec 2, 2008·20 cites·33 claims
- 3187US11342029B2Non-volatile memory with switchable erase methodsSANDISK TECHNOLOGIES LLC·Filed 2020·Granted May 24, 2022·2 cites·18 claims
- 3287US11342006B2Buried source line structure for boosting read schemeSANDISK TECHNOLOGIES LLC·Filed 2019·Granted May 24, 2022·3 cites·17 claims
- 3387US7978527B2Verification process for non-volatile storageSANDISK TECHNOLOGIES INC·Filed 2008·Granted Jul 12, 2011·13 cites·28 claims
- 3486US10741579B2Three-dimensional memory device including different height memory stack structures and methods of making the sameSANDISK TECHNOLOGIES LLC·Filed 2018·Granted Aug 11, 2020·3 cites·20 claims
- 3585US9543023B2Partial block erase for block programming in non-volatile memorySANDISK TECHNOLOGIES INC·Filed 2015·Granted Jan 10, 2017·9 cites·23 claims
- 3685US9123424B2Optimizing pass voltage and initial program voltage based on performance of non-volatile memorySANDISK TECHNOLOGIES INC·Filed 2013·Granted Sep 1, 2015·10 cites·20 claims
- 3785US7995394B2Program voltage compensation with word line bias change to suppress charge trapping in memorySANDISK TECHNOLOGIES INC·Filed 2009·Granted Aug 9, 2011·16 cites·20 claims
- 3882US11501821B2Three-dimensional memory device containing a shared word line driver across different tiers and methods for making the sameSANDISK TECHNOLOGIES LLC·Filed 2020·Granted Nov 15, 2022·1 cites·2 claims
- 3982US8811091B2Non-volatile memory and method with improved first pass programmingLI YAN·Filed 2011·Granted Aug 19, 2014·8 cites·16 claims
- 4081US8755234B2Temperature based compensation during verify operations for non-volatile storageSANDISK TECHNOLOGIES INC·Filed 2013·Granted Jun 17, 2014·6 cites·10 claims
- 4180US11551781B1Programming memory cells with concurrent storage of multi-level data as single-level data for power loss protectionSANDISK TECHNOLOGIES LLC·Filed 2021·Granted Jan 10, 2023·1 cites·20 claims
- 4279US7511995B2Self-boosting system with suppression of high lateral electric fieldsSANDISK CORP·Filed 2006·Granted Mar 31, 2009·10 cites·18 claims
- 4377US10978156B2Concurrent programming of multiple cells for non-volatile memory devicesSANDISK TECHNOLOGIES LLC·Filed 2018·Granted Apr 13, 2021·3 cites·21 claims
- 4477US10978152B1Adaptive VPASS for 3D flash memory with pair string structureSANDISK TECHNOLOGIES LLC·Filed 2019·Granted Apr 13, 2021·3 cites·20 claims
- 4575US8942047B2Bit line current trip point modulation for reading nonvolatile storage elementsSANDISK TECHNOLOGIES INC·Filed 2014·Granted Jan 27, 2015·4 cites·18 claims
- 4673US11397635B2Block quality classification at testing for non-volatile memory, and multiple bad block flags for product diversitySANDISK TECHNOLOGIES LLC·Filed 2019·Granted Jul 26, 2022·1 cites·18 claims
- 4773US7463522B2Non-volatile storage with boosting using channel isolation switchingSANDISK CORP·Filed 2007·Granted Dec 9, 2008·8 cites·33 claims
- 4870US10756106B2Three-dimensional memory device with locally modulated threshold voltages at drain select levels and methods of making the sameSANDISK TECHNOLOGIES LLC·Filed 2018·Granted Aug 25, 2020·1 cites·8 claims
- 4970US9865352B2Program sequencingSANDISK TECHNOLOGIES INC·Filed 2016·Granted Jan 9, 2018·3 cites·18 claims
- 5068USRE46264EVerification process for non-volatile storageSANDISK TECHNOLOGIES INC·Filed 2014·Granted Jan 3, 2017·2 cites·32 claims
Showing the top 50 of 73 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →