Inventor
OKUYAMA YOSHIAKI
JP25 patents
⚠️ This page may combine multiple inventors who share the name “OKUYAMA YOSHIAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJITSU LTD
15 patentsUS6847570B2Jan 25, 2005
Semiconductor memory having burst transfer function and internal refresh function
FUJITSU LTD22 citations92
US6774673B2Aug 10, 2004
Level shifter
FUJITSU LTD23 citations89
US7321517B2Jan 22, 2008
Semiconductor memory device
FUJITSU LTD10 citations84
US7099208B2Aug 29, 2006
Semiconductor memory automatically carrying out refresh operation
FUJITSU LTD15 citations84
US7200059B2Apr 3, 2007
Semiconductor memory and burn-in test method of semiconductor memory
FUJITSU LTD19 citations82
US6621750B2Sep 16, 2003
Semiconductor memory
FUJITSU LTD11 citations74
US6404688B2Jun 11, 2002
Semiconductor memory device having a self-refresh operation
FUJITSU LTD11 citations74
US7114025B2Sep 26, 2006
Semiconductor memory having test function for refresh operation
FUJITSU LTD9 citations73
US6650154B2Nov 18, 2003
Starter circuit
FUJITSU LTD8 citations73
US7362630B2Apr 22, 2008
Semiconductor memory
FUJITSU LTD4 citations63
US7196951B2Mar 27, 2007
Semiconductor memory
FUJITSU LTD2 citations63
US6868030B2Mar 15, 2005
Semiconductor memory apparatus simultaneously accessible via multi-ports
FUJITSU LTD4 citations63
US7203114B2Apr 10, 2007
Semiconductor memory which performs the refresh operation internally and automatically without refresh commands from the exterior
FUJITSU LTD3 citations62
US6477093B2Nov 5, 2002
Semiconductor memory and method of operating same
FUJITSU LTD2 citations62
US7050353B2May 23, 2006
Semiconductor memory having burst transfer function
FUJITSU LTD0 citations52
NEC CORP
3 patentsUS12363107B2Jul 15, 2025
Authentication server, authentication system, control method of authentication server, and storage medium
NEC CORP1 citations64
US12212563B2Jan 28, 2025
Authentication system, terminal, control method for terminal, and storage medium
NEC CORP0 citations62
US12292952B2May 6, 2025
Information processing device, system, method, and storage medium for updating registered facial image
NEC CORP0 citations52
FUJITSU MICROELECTRONICS LTD
3 patentsUS7730232B2Jun 1, 2010
Data transfer method and system
FUJITSU MICROELECTRONICS LTD2 citations63
US7558137B2Jul 7, 2009
Semiconductor memory and testing method of same
FUJITSU MICROELECTRONICS LTD2 citations53
US7633825B2Dec 15, 2009
Semiconductor memory device with reduced current consumption
FUJITSU MICROELECTRONICS LTD0 citations52