Inventor · disambiguated record
Toshio Sunaga
Also filed as: SUNAGA TOSHIO
47 granted patents·2 pending applications·542 citations·filing 1992–2021
98Inventor score
Files withIBM41JIANGSU ADVANCED MEMORY TECH CO LTD3SUNAGA TOSHIO2HITACHI GLOBAL STORAGE TECH1PU LEJAN1
Top patents by PatentIndex Score
49 records- 0190US6826076B2Non-volatile memory deviceIBM·Filed 2002·Granted Nov 30, 2004·41 cites·14 claims
- 0286US7123498B2Non-volatile memory deviceIBM·Filed 2004·Granted Oct 17, 2006·30 cites·15 claims
- 0385US6085300ADRAM system with simultaneous burst read and writeIBM·Filed 1997·Granted Jul 4, 2000·60 cites·6 claims
- 0484US7414908B2Magnetic memory deviceIBM·Filed 2004·Granted Aug 19, 2008·36 cites·5 claims
- 0583US6925028B2DRAM with multiple virtual bank architecture for random row accessIBM·Filed 2002·Granted Aug 2, 2005·33 cites·7 claims
- 0679US7349235B2Non-volatile memory deviceIBM·Filed 2006·Granted Mar 25, 2008·8 cites·11 claims
- 0776US5339274AVariable bitline precharge voltage sensing technique for DRAM structuresIBM·Filed 1992·Granted Aug 16, 1994·37 cites·18 claims
- 0875US7489482B2Magnetic head of magnetoresistance effect type and process for production thereofHITACHI GLOBAL STORAGE TECH·Filed 2004·Granted Feb 10, 2009·9 cites·23 claims
- 0972US6639834B2Data register and access method thereofIBM·Filed 2002·Granted Oct 28, 2003·19 cites·15 claims
- 1070US6650573B2Data input/output methodIBM·Filed 2002·Granted Nov 18, 2003·17 cites·12 claims
- 1170US5257232ASensing circuit for semiconductor memory with limited bitline voltage swingIBM·Filed 1992·Granted Oct 26, 1993·30 cites·5 claims
- 1269US6876228B2Field programmable gate arrayIBM·Filed 2003·Granted Apr 5, 2005·15 cites·15 claims
- 1369US5732042ADram array with local latchesIBM·Filed 1996·Granted Mar 24, 1998·30 cites·14 claims
- 1466US7084437B2Semiconductor deviceIBM·Filed 2002·Granted Aug 1, 2006·13 cites·15 claims
- 1565US6842361B2Memory cell, memory circuit block, data writing method and data reading methodIBM·Filed 2002·Granted Jan 11, 2005·18 cites·7 claims
- 1665US6785154B2MRAM and access method thereofIBM·Filed 2002·Granted Aug 31, 2004·14 cites·11 claims
- 1764US7469243B2Method and device for searching fixed length dataIBM·Filed 2004·Granted Dec 23, 2008·11 cites·13 claims
- 1863US8488357B2Reference cell architectures for small memory array block activationSUNAGA TOSHIO·Filed 2010·Granted Jul 16, 2013·4 cites·29 claims
- 1963US7843742B2Method of controlling memory and memory system thereofIBM·Filed 2006·Granted Nov 30, 2010·5 cites·16 claims
- 2063US6819323B2Structure and method for gaining fast access to pixel data to store graphic image data in memoryIBM·Filed 2001·Granted Nov 16, 2004·7 cites·6 claims
- 2160US7460420B2Semiconductor storage deviceIBM·Filed 2006·Granted Dec 2, 2008·4 cites·7 claims
- 2258US6992924B2Magnetic memory and method for optimizing write current in a magnetic memoryIBM·Filed 2003·Granted Jan 31, 2006·10 cites·20 claims
- 2358US6944076B2Dynamic semiconductor memory device and bit line precharge method thereforIBM·Filed 2004·Granted Sep 13, 2005·9 cites·19 claims
- 2457US6898661B2Search memory, memory search controller, and memory search methodIBM·Filed 2003·Granted May 24, 2005·9 cites·10 claims
- 2556US7522458B2Memory and method of controlling access to memoryIBM·Filed 2006·Granted Apr 21, 2009·3 cites·17 claims
- 2656US7518942B2Semiconductor storage deviceIBM·Filed 2006·Granted Apr 14, 2009·3 cites·10 claims
- 2756US7511981B2Non-volatile memory deviceIBM·Filed 2007·Granted Mar 31, 2009·2 cites·12 claims
- 2856US7124278B2Information processing device and method, program, data structure, and computer-readable recording mediumIBM·Filed 2004·Granted Oct 17, 2006·4 cites·9 claims
- 2956US6252794B1DRAM and data access method for DRAMIBM·Filed 1999·Granted Jun 26, 2001·15 cites·8 claims
- 3053US8605520B2Replaceable, precise-tracking reference lines for memory productsPU LEJAN·Filed 2010·Granted Dec 10, 2013·2 cites·15 claims
- 3152US7460538B2Communication control apparatus and method for searching an internet protocol addressIBM·Filed 2004·Granted Dec 2, 2008·2 cites·19 claims
- 3250US11829605B2Memory device with redundant memory circuit and repair method thereofJIANGSU ADVANCED MEMORY TECH CO LTD·Filed 2021·Granted Nov 28, 2023·0 cites·8 claims
- 3350US6661732B2Memory system having reduced powder data refreshIBM·Filed 2002·Granted Dec 9, 2003·6 cites·7 claims
- 3446US7859935B2Memory system with low current consumption and method for the sameIBM·Filed 2006·Granted Dec 28, 2010·1 cites·9 claims
- 3546US7093067B2DRAM architecture enabling refresh and access operations in the same bankIBM·Filed 2002·Granted Aug 15, 2006·4 cites·4 claims
- 3645US7061818B2Memory and refresh method for memoryIBM·Filed 2002·Granted Jun 13, 2006·4 cites·8 claims
- 3745US6865136B2Timing circuit and method of changing clock periodIBM·Filed 2003·Granted Mar 8, 2005·4 cites·12 claims
- 3843US7313045B2Dynamic semiconductor storage deviceIBM·Filed 2004·Granted Dec 25, 2007·3 cites·2 claims
- 3943US6977857B2DRAM and refresh method thereofIBM·Filed 2003·Granted Dec 20, 2005·3 cites·12 claims
- 4043US6754134B1Semiconductor storage device having multiple interrupt feature for continuous burst read and write operationIBM·Filed 2003·Granted Jun 22, 2004·3 cites·9 claims
- 4143US6545932B1SDRAM and method for data accesses of SDRAMIBM·Filed 1999·Granted Apr 8, 2003·8 cites·6 claims
- 4237US7474557B2MRAM array and access method thereofIBM·Filed 2002·Granted Jan 6, 2009·1 cites·7 claims
- 4337US5504702ADram cellFiled 1994·Granted Apr 2, 1996·5 cites·8 claims
- 4436US11621024B2Calibration deviceJIANGSU ADVANCED MEMORY TECH CO LTD·Filed 2021·Granted Apr 4, 2023·0 cites·9 claims
- 4535US11443789B1Memory deviceJIANGSU ADVANCED MEMORY TECH CO LTD·Filed 2021·Granted Sep 13, 2022·0 cites·9 claims
- 4635US7123110B2Low power self refresh timer oscillatorIBM·Filed 2004·Granted Oct 17, 2006·0 cites·18 claims
- 4735US2006239098A1Dram architecture enabling refresh and access operations in the same bankIBM·Filed 2006·Application pending·0 cites
- 4828US2008291746A1Semiconductor Storage Device and Burst Operation MethodSUNAGA TOSHIO·Filed 2004·Application pending·0 cites
- 4927US5745424AMethod for transferring data bit for DRAMIBM·Filed 1996·Granted Apr 28, 1998·0 cites·8 claims
Join the waitlist — get patent alerts
Get an alert when Toshio Sunaga 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 →