Inventor · disambiguated record
Katsuaki Isobe
Also filed as: ISOBE KATSUAKI
58 granted patents·11 pending applications·540 citations·filing 1999–2025
98Inventor score
Top patents by PatentIndex Score
69 records- 0198US8154908B2Nonvolatile semiconductor storage device and data writing method thereforMAEJIMA HIROSHI·Filed 2011·Granted Apr 10, 2012·42 cites·9 claims
- 0297US7907436B2Nonvolatile semiconductor storage device and data writing method thereforTOSHIBA KK·Filed 2009·Granted Mar 15, 2011·63 cites·20 claims
- 0394US9953993B2Semiconductor memory deviceTOSHIBA MEMORY CORP·Filed 2017·Granted Apr 24, 2018·12 cites·20 claims
- 0494US7388790B2Semiconductor memory device and dynamic latch refresh method thereofTOSHIBA KK·Filed 2006·Granted Jun 17, 2008·25 cites·20 claims
- 0593US7345913B2Semiconductor memory deviceTOSHIBA KK·Filed 2006·Granted Mar 18, 2008·33 cites·16 claims
- 0689US11705443B2Semiconductor memory deviceKIOXIA CORP·Filed 2020·Granted Jul 18, 2023·2 cites·20 claims
- 0789US8427885B2Nonvolatile semiconductor memory deviceMUKAI HIDEO·Filed 2011·Granted Apr 23, 2013·12 cites·11 claims
- 0888US8395922B2Semiconductor memory deviceNOGUCHI MITSUHIRO·Filed 2011·Granted Mar 12, 2013·13 cites·23 claims
- 0988US6313674B1Synchronizing circuit for generating internal signal synchronized to external signalTOSHIBA KK·Filed 2000·Granted Nov 6, 2001·43 cites·20 claims
- 1087US7660157B2NAND flash memoryTOSHIBA KK·Filed 2007·Granted Feb 9, 2010·13 cites·14 claims
- 1186US7876626B2Semiconductor memory device and semiconductor memory systemTOSHIBA KK·Filed 2009·Granted Jan 25, 2011·17 cites·20 claims
- 1286US7800935B2Resistance change memory deviceTOSHIBA KK·Filed 2008·Granted Sep 21, 2010·16 cites·14 claims
- 1385US7697333B2NAND flash memoryTOSHIBA KK·Filed 2007·Granted Apr 13, 2010·13 cites·12 claims
- 1484US8630116B2NAND flash memoryMAEJIMA HIROSHI·Filed 2012·Granted Jan 14, 2014·6 cites·24 claims
- 1584US7978517B2NAND flash memoryTOSHIBA KK·Filed 2010·Granted Jul 12, 2011·7 cites·12 claims
- 1683US7554849B2Nonvolatile semiconductor memoryTOSHIBA KK·Filed 2007·Granted Jun 30, 2009·15 cites·12 claims
- 1783US2025356920A1Semiconductor storage deviceKIOXIA CORP·Filed 2025·Application pending·0 cites
- 1881US7518922B2NAND type flash memoryTOSHIBA KK·Filed 2007·Granted Apr 14, 2009·13 cites·21 claims
- 1978US12315859B2Semiconductor memory deviceKIOXIA CORP·Filed 2023·Granted May 27, 2025·0 cites·20 claims
- 2078US10839913B2Semiconductor memoryTOSHIBA MEMORY CORP·Filed 2019·Granted Nov 17, 2020·3 cites·16 claims
- 2178US7236409B2Semiconductor memory device provided with constant-current circuit having current trimming functionTOSHIBA KK·Filed 2005·Granted Jun 26, 2007·12 cites·16 claims
- 2277US8300466B2NAND flash memoryMAEJIMA HIROSHI·Filed 2011·Granted Oct 30, 2012·4 cites·10 claims
- 2377US7656225B2Voltage generation circuit and semiconductor memory device including the sameTOSHIBA KK·Filed 2007·Granted Feb 2, 2010·10 cites·15 claims
- 2477US6608514B1Clock signal generator circuit and semiconductor integrated circuit with the same circuitTOSHIBA KK·Filed 2000·Granted Aug 19, 2003·25 cites·29 claims
- 2576US8315094B2Semiconductor memory deviceKANDA KAZUSHIGE·Filed 2010·Granted Nov 20, 2012·5 cites·15 claims
- 2676US2025259983A1Semiconductor memory deviceKIOXIA CORP·Filed 2025·Application pending·0 cites
- 2774US7817468B2Semiconductor storage device provided with memory cell having charge accumulation layer and control gateTOSHIBA KK·Filed 2009·Granted Oct 19, 2010·7 cites·9 claims
- 2873US11302398B2Semiconductor memory device capable of reducing chip sizeKIOXIA CORP·Filed 2020·Granted Apr 12, 2022·0 cites·13 claims
- 2973US8295090B2Semiconductor memory device capable of reducing chip sizeISOBE KATSUAKI·Filed 2010·Granted Oct 23, 2012·2 cites·18 claims
- 3073US8089818B2Nonvolatile semiconductor memory deviceMUKAI HIDEO·Filed 2009·Granted Jan 3, 2012·7 cites·10 claims
- 3171US8379432B2Nonvolatile semiconductor storage device and data writing method thereforTOSHIBA KK·Filed 2012·Granted Feb 19, 2013·3 cites·15 claims
- 3271US6549154B2Digital-to-analog converter and synchronous circuit using the converterTOSHIBA KK·Filed 2001·Granted Apr 15, 2003·17 cites·20 claims
- 3370US7760549B2Nonvolatile semiconductor memory deviceTOSHIBA KK·Filed 2008·Granted Jul 20, 2010·7 cites·22 claims
- 3468US6449212B1Analog synchronization circuit for synchronizing external and internal clock signalsTOSHIBA KK·Filed 2000·Granted Sep 10, 2002·13 cites·24 claims
- 3567US12400714B2Semiconductor storage deviceKIOXIA CORP·Filed 2023·Granted Aug 26, 2025·0 cites·18 claims
- 3667US9129688B2Semiconductor memory device capable of reducing chip sizeISOBE KATSUAKI·Filed 2012·Granted Sep 8, 2015·1 cites·8 claims
- 3766US7518406B2Current supply circuit, ring oscillator, nonvolatile semiconductor device and electronic card and electronic deviceTOSHIBA KK·Filed 2007·Granted Apr 14, 2009·4 cites·9 claims
- 3864US10783971B2Semiconductor memory device capable of reducing chip sizeTOSHIBA MEMORY CORP·Filed 2019·Granted Sep 22, 2020·0 cites·8 claims
- 3964US6046924ASemiconductor memory device having a sense amplifier region formed in a triple-well structureTOSHIBA KK·Filed 1999·Granted Apr 4, 2000·22 cites·20 claims
- 4062US11250915B2Semiconductor memoryTOSHIBA MEMORY CORP·Filed 2020·Granted Feb 15, 2022·0 cites·13 claims
- 4162US2025280547A1Memory deviceKIOXIA CORP·Filed 2024·Application pending·0 cites
- 4261US10347341B2Semiconductor memory device capable of reducing chip sizeTOSHIBA MEMORY CORP·Filed 2018·Granted Jul 9, 2019·0 cites·8 claims
- 4361US8059465B2Non-volatile semiconductor memory deviceISOBE KATSUAKI·Filed 2009·Granted Nov 15, 2011·3 cites·7 claims
- 4461US7248502B2Non-volatile semiconductor memory deviceTOSHIBA KK·Filed 2005·Granted Jul 24, 2007·3 cites·18 claims
- 4561US2024324216A1Semiconductor memory deviceKIOXIA CORP·Filed 2024·Application pending·0 cites
- 4660US7961516B2NAND flash memory and memory systemTOSHIBA KK·Filed 2008·Granted Jun 14, 2011·4 cites·16 claims
- 4760US6337834B1Synchronous signal generation circuitTOSHIBA KK·Filed 2000·Granted Jan 8, 2002·11 cites·24 claims
- 4860US6333658B1Analog synchronization circuitTOSHIBA KK·Filed 2000·Granted Dec 25, 2001·9 cites·15 claims
- 4959US9934861B2Semiconductor memory device capable of reducing chip sizeTOSHIBA MEMORY CORP·Filed 2017·Granted Apr 3, 2018·0 cites·16 claims
- 5059US7808821B2Nonvolatile semiconductor memory including memory cell for storing multilevel data having two or more valuesTOSHIBA KK·Filed 2008·Granted Oct 5, 2010·4 cites·12 claims
Showing the top 50 of 69 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →