P

Inventor

OGIWARA RYU

JP74 patents
⚠️ This page may combine multiple inventors who share the name “OGIWARA RYU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

TOSHIBA KK

39 patents
US6473330B1Oct 29, 2002

Chain type ferroelectric memory with isolation transistors coupled between a sense amplifier and an equalization circuit

TOSHIBA KK32 citations96
US7679412B2Mar 16, 2010

Power supply circuit

TOSHIBA KK25 citations93
US7233536B2Jun 19, 2007

Semiconductor memory device having memory cells to store cell data and reference data

TOSHIBA KK21 citations93
US6288961B1Sep 11, 2001

Semiconductor memory device for reading charges stored in capacitor in memory cell and data reading method thereof

TOSHIBA KK18 citations93
US6111777AAug 29, 2000

Ferroelectric memory

TOSHIBA KK22 citations93
US6023438AFeb 8, 2000

Semiconductor memory device for reading charges stored in capacitor in memory cell and data reading method thereof

TOSHIBA KK33 citations93
US5892724AApr 6, 1999

NAND-type dynamic RAM having temporary storage register and sense amplifier coupled to multi-open bit lines

TOSHIBA KK32 citations93
US5625602AApr 29, 1997

NAND-type dynamic RAM having temporary storage register and sense amplifier coupled to multi-open bit lines

TOSHIBA KK18 citations93
US5418750AMay 23, 1995

Semiconductor memory device for suppressing noises occurring on bit and word lines

TOSHIBA KK34 citations93
US9437307B2Sep 6, 2016

Nonvolatile semiconductor memory device

TOSHIBA KK17 citations92
US8873296B2Oct 28, 2014

Nonvolatile semiconductor memory device

TOSHIBA KK9 citations84
US7746164B2Jun 29, 2010

Voltage generating circuit

TOSHIBA KK8 citations84
US7589513B2Sep 15, 2009

Reference voltage generator circuit

TOSHIBA KK9 citations84
US7053431B2May 30, 2006

Phase-change memory device using chalcogenide compound as the material of memory cells

TOSHIBA KK16 citations84
US7046541B2May 16, 2006

Semiconductor integrated circuit device

TOSHIBA KK17 citations84
US6671200B2Dec 30, 2003

Ferroelectric random access memory with isolation transistors coupled between a sense amplifier and an equalization circuit

TOSHIBA KK12 citations82
US7795953B2Sep 14, 2010

Voltage step-down circuit

TOSHIBA KK7 citations74
US7295456B2Nov 13, 2007

Chain ferroelectric random access memory (CFRAM) having an intrinsic transistor connected in parallel with a ferroelectric capacitor

TOSHIBA KK4 citations74
US7057917B2Jun 6, 2006

Ferroelectric memory with an intrinsic access transistor coupled to a capacitor

TOSHIBA KK10 citations74
US6993691B2Jan 31, 2006

Series connected TC unit type ferroelectric RAM and test method thereof

TOSHIBA KK8 citations74
US6980460B2Dec 27, 2005

Semiconductor integrated circuit device and operation method therefor

TOSHIBA KK8 citations74
US6552922B2Apr 22, 2003

Chain-type ferroelectric random access memory (FRAM) with rewrite transistors coupled between a sense amplifier and a bit line pair

TOSHIBA KK6 citations74
US9607693B2Mar 28, 2017

Semiconductor storage device

TOSHIBA KK3 citations73
US9460785B2Oct 4, 2016

Semiconductor storage device

TOSHIBA KK4 citations73
US9311996B2Apr 12, 2016

Semiconductor storage device having resistance-change storage elements

TOSHIBA KK2 citations63
US8045357B2Oct 25, 2011

Semiconductor memory device

TOSHIBA KK2 citations63
US7902913B2Mar 8, 2011

Reference voltage generation circuit

TOSHIBA KK3 citations63
US7852142B2Dec 14, 2010

Reference voltage generating circuit for use of integrated circuit

TOSHIBA KK4 citations63
US7816976B2Oct 19, 2010

Power supply circuit using insulated-gate field-effect transistors

TOSHIBA KK5 citations63
US7763991B2Jul 27, 2010

Voltage generating circuit

TOSHIBA KK3 citations63
US7759928B2Jul 20, 2010

Semiconductor device including an internal voltage generation circuit and a first test circuit

TOSHIBA KK2 citations63
US7750723B2Jul 6, 2010

Voltage generation circuit provided in a semiconductor integrated device

TOSHIBA KK4 citations63
US7733683B2Jun 8, 2010

Semiconductor memory device

TOSHIBA KK4 citations63
US7633330B2Dec 15, 2009

Reference voltage generation circuit

TOSHIBA KK5 citations63
US7443709B2Oct 28, 2008

Temperature sensing circuit, voltage generation circuit, and semiconductor storage device

TOSHIBA KK2 citations63
US7426147B2Sep 16, 2008

Power supply voltage control circuit

TOSHIBA KK5 citations63
US7411809B2Aug 12, 2008

Ferroelectric memory to be tested by applying disturbance voltage to a plurality of ferroelectric capacitors at once in direction to weaken polarization, and method of testing the same

TOSHIBA KK4 citations63
US7061788B2Jun 13, 2006

Semiconductor storage device

TOSHIBA KK5 citations63
US6944046B2Sep 13, 2005

Ferroelectric memory and method of testing the same

TOSHIBA KK6 citations63

KIOXIA CORP

4 patents

INFINEON TECHNOLOGIES AG

3 patents

TOSHIBA MEMORY CORP

2 patents

ITAGAKI KIYOTARO

1 patent

OGIWARA RYU

1 patent

Showing the top 50 of 74 patents by PatentIndex Score.