Inventor
MIZUGAKI KOICHI
JP35 patents
⚠️ This page may combine multiple inventors who share the name “MIZUGAKI KOICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SEIKO EPSON CORP
34 patentsUS6707745B2Mar 16, 2004
Operation control according to temperature variation in integrated circuit
SEIKO EPSON CORP26 citations92
US6597615B2Jul 22, 2003
Refresh control for semiconductor memory device
SEIKO EPSON CORP32 citations92
US6545943B2Apr 8, 2003
Activation of word lines in semiconductor memory device
SEIKO EPSON CORP27 citations92
US6525989B2Feb 25, 2003
Activation of word lines in semiconductor memory device
SEIKO EPSON CORP15 citations84
US6501699B2Dec 31, 2002
Refresh control for semiconductor memory device
SEIKO EPSON CORP14 citations84
US6903990B2Jun 7, 2005
Refresh control for semiconductor memory device
SEIKO EPSON CORP10 citations74
US6744685B2Jun 1, 2004
Semiconductor device, method for refreshing the same, and electronic equipment
SEIKO EPSON CORP10 citations74
US6704234B2Mar 9, 2004
Semiconductor device, refreshing method thereof, memory system, and electronic instrument
SEIKO EPSON CORP8 citations74
US6700828B2Mar 2, 2004
Semiconductor memory device
SEIKO EPSON CORP10 citations74
US6560153B2May 6, 2003
Semiconductor device, method for refreshing the same, system memory, and electronics apparatus
SEIKO EPSON CORP8 citations74
US6842392B2Jan 11, 2005
Activation of word lines in semiconductor memory device
SEIKO EPSON CORP10 citations73
US6603701B2Aug 5, 2003
Semiconductor memory apparatus having cell blocks and column drivers with a column address decoding module and a column drive enable signal generation module arranged to effectively reduce chip size
SEIKO EPSON CORP7 citations73
US7798592B2Sep 21, 2010
Droplet ejection head drive method, droplet ejection device, and electrooptic apparatus
SEIKO EPSON CORP4 citations63
US6804161B2Oct 12, 2004
Semiconductor device, refreshing method thereof, memory system, and electronic instrument
SEIKO EPSON CORP3 citations63
US6657902B2Dec 2, 2003
Technique of controlling noise of power supply in semiconductor memory device
SEIKO EPSON CORP2 citations63
US6519200B2Feb 11, 2003
Semiconductor device, method for refreshing the same, and electronic equipment
SEIKO EPSON CORP2 citations63
US6493281B2Dec 10, 2002
Semiconductor device, method for refreshing the same, system memory, and electronics apparatus
SEIKO EPSON CORP6 citations63
US12088253B2Sep 10, 2024
Circuit board and oscillator device
SEIKO EPSON CORP0 citations62
US11404626B2Aug 2, 2022
Vibrator device, method of manufacturing vibrator device, electronic apparatus, and vehicle
SEIKO EPSON CORP1 citations62
US11097667B2Aug 24, 2021
Vibration device, vibration module, electronic apparatus, and vehicle
SEIKO EPSON CORP0 citations62
US6944082B2Sep 13, 2005
Semiconductor memory device and electronic device for activation control of word lines in a semiconductor memory device
SEIKO EPSON CORP6 citations62
US6930946B2Aug 16, 2005
Refresh control and internal voltage generation in semiconductor memory device
SEIKO EPSON CORP5 citations62
US6925023B2Aug 2, 2005
Semiconductor memory device and electronic device
SEIKO EPSON CORP6 citations62
US6917553B2Jul 12, 2005
Semiconductor memory device
SEIKO EPSON CORP5 citations62
US11818958B2Nov 14, 2023
Vibration device
SEIKO EPSON CORP0 citations52
US11690297B2Jun 27, 2023
Vibration device
SEIKO EPSON CORP0 citations52
US11575079B2Feb 7, 2023
Vibration device
SEIKO EPSON CORP0 citations52
US10843637B2Nov 24, 2020
Vibration device, electronic apparatus and vehicle
SEIKO EPSON CORP0 citations52
US6538948B2Mar 25, 2003
Semiconductor device, refreshing method thereof, memory system, and electronic instrument
SEIKO EPSON CORP0 citations52
US7839372B2Nov 23, 2010
Electrooptic apparatus substrate and examining method therefor and electrooptic apparatus and electronic equipment
SEIKO EPSON CORP1 citations46
US12494399B2Dec 9, 2025
Method for manufacturing semiconductor device
SEIKO EPSON CORP0 citations45
US10879868B2Dec 29, 2020
Vibration device, electronic apparatus and vehicle
SEIKO EPSON CORP0 citations42
US7541063B2Jun 2, 2009
Method for forming layer
SEIKO EPSON CORP0 citations41
US7068566B2Jun 27, 2006
Semiconductor memory device capable of outputting data when a read request not accompanied with an address change being issued
SEIKO EPSON CORP0 citations41