Inventor
ISOBE KATSUAKI
JP59 patents
⚠️ This page may combine multiple inventors who share the name “ISOBE KATSUAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOSHIBA KK
30 patentsUS7907436B2Mar 15, 2011
Nonvolatile semiconductor storage device and data writing method therefor
TOSHIBA KK63 citations98
US7660157B2Feb 9, 2010
NAND flash memory
TOSHIBA KK13 citations93
US7388790B2Jun 17, 2008
Semiconductor memory device and dynamic latch refresh method thereof
TOSHIBA KK25 citations93
US7345913B2Mar 18, 2008
Semiconductor memory device
TOSHIBA KK33 citations93
US6608514B1Aug 19, 2003
Clock signal generator circuit and semiconductor integrated circuit with the same circuit
TOSHIBA KK25 citations93
US6313674B1Nov 6, 2001
Synchronizing circuit for generating internal signal synchronized to external signal
TOSHIBA KK43 citations93
US6046924AApr 4, 2000
Semiconductor memory device having a sense amplifier region formed in a triple-well structure
TOSHIBA KK22 citations93
US7978517B2Jul 12, 2011
NAND flash memory
TOSHIBA KK7 citations84
US7876626B2Jan 25, 2011
Semiconductor memory device and semiconductor memory system
TOSHIBA KK17 citations84
US7800935B2Sep 21, 2010
Resistance change memory device
TOSHIBA KK16 citations84
US7697333B2Apr 13, 2010
NAND flash memory
TOSHIBA KK13 citations84
US7656225B2Feb 2, 2010
Voltage generation circuit and semiconductor memory device including the same
TOSHIBA KK10 citations84
US7554849B2Jun 30, 2009
Nonvolatile semiconductor memory
TOSHIBA KK15 citations84
US7518922B2Apr 14, 2009
NAND type flash memory
TOSHIBA KK13 citations84
US7236409B2Jun 26, 2007
Semiconductor memory device provided with constant-current circuit having current trimming function
TOSHIBA KK12 citations84
US6549154B2Apr 15, 2003
Digital-to-analog converter and synchronous circuit using the converter
TOSHIBA KK17 citations84
US7817468B2Oct 19, 2010
Semiconductor storage device provided with memory cell having charge accumulation layer and control gate
TOSHIBA KK7 citations74
US7760549B2Jul 20, 2010
Nonvolatile semiconductor memory device
TOSHIBA KK7 citations74
US6449212B1Sep 10, 2002
Analog synchronization circuit for synchronizing external and internal clock signals
TOSHIBA KK13 citations74
US6359480B1Mar 19, 2002
Synchronizing circuit for generating a signal synchronizing with a clock signal
TOSHIBA KK6 citations74
US6337834B1Jan 8, 2002
Synchronous signal generation circuit
TOSHIBA KK11 citations74
US6333658B1Dec 25, 2001
Analog synchronization circuit
TOSHIBA KK9 citations74
US8379432B2Feb 19, 2013
Nonvolatile semiconductor storage device and data writing method therefor
TOSHIBA KK3 citations63
US7961516B2Jun 14, 2011
NAND flash memory and memory system
TOSHIBA KK4 citations63
US7916541B2Mar 29, 2011
NAND flash memory
TOSHIBA KK1 citations63
US7808821B2Oct 5, 2010
Nonvolatile semiconductor memory including memory cell for storing multilevel data having two or more values
TOSHIBA KK4 citations63
US7518406B2Apr 14, 2009
Current supply circuit, ring oscillator, nonvolatile semiconductor device and electronic card and electronic device
TOSHIBA KK4 citations63
US7505314B2Mar 17, 2009
Semiconductor storage device provided with memory cell having charge accumulation layer and control gate
TOSHIBA KK3 citations63
US7190234B2Mar 13, 2007
Current supply circuit, ring oscillator, nonvolatile semiconductor device and electronic card and electronic device
TOSHIBA KK4 citations63
US7248502B2Jul 24, 2007
Non-volatile semiconductor memory device
TOSHIBA KK3 citations62
KIOXIA CORP
5 patentsUS11705443B2Jul 18, 2023
Semiconductor memory device
KIOXIA CORP2 citations71
US11302398B2Apr 12, 2022
Semiconductor memory device capable of reducing chip size
KIOXIA CORP0 citations62
US12315859B2May 27, 2025
Semiconductor memory device
KIOXIA CORP0 citations61
US12573460B2Mar 10, 2026
Semiconductor memory device
KIOXIA CORP0 citations52
US12400714B2Aug 26, 2025
Semiconductor storage device
KIOXIA CORP0 citations52
TOSHIBA MEMORY CORP
4 patentsUS9953993B2Apr 24, 2018
Semiconductor memory device
TOSHIBA MEMORY CORP12 citations84
US10839913B2Nov 17, 2020
Semiconductor memory
TOSHIBA MEMORY CORP3 citations72
US11250915B2Feb 15, 2022
Semiconductor memory
TOSHIBA MEMORY CORP0 citations62
US10783971B2Sep 22, 2020
Semiconductor memory device capable of reducing chip size
TOSHIBA MEMORY CORP0 citations52
MAEJIMA HIROSHI
3 patentsISOBE KATSUAKI
3 patentsUS9129688B2Sep 8, 2015
Semiconductor memory device capable of reducing chip size
ISOBE KATSUAKI1 citations61
US8295090B2Oct 23, 2012
Semiconductor memory device capable of reducing chip size
ISOBE KATSUAKI2 citations61
US8059465B2Nov 15, 2011
Non-volatile semiconductor memory device
ISOBE KATSUAKI3 citations60
MUKAI HIDEO
2 patentsNOGUCHI MITSUHIRO
1 patentFUJITSU LTD
1 patentKANDA KAZUSHIGE
1 patentShowing the top 50 of 59 patents by PatentIndex Score.