Inventor
SUGAI KAZUO
JP40 patents
⚠️ This page may combine multiple inventors who share the name “SUGAI KAZUO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
23 patentsUS7433301B2Oct 7, 2008
Method of transferring packets and router device therefor
HITACHI LTD188 citations99
US6768738B1Jul 27, 2004
Packet forwarding apparatus with a flow detection table
HITACHI LTD123 citations98
US6778532B1Aug 17, 2004
Packet relaying apparatus and high speed multicast system
HITACHI LTD132 citations97
US6683885B1Jan 27, 2004
Network relaying apparatus and network relaying method
HITACHI LTD93 citations97
US7738465B2Jun 15, 2010
Packet forwarding device equipped with statistics collection device and statistics collection method
HITACHI LTD27 citations92
US7088716B2Aug 8, 2006
Network routing apparatus
HITACHI LTD25 citations92
US7054319B2May 30, 2006
VPN router and VPN identification method by using logical channel identifiers
HITACHI LTD39 citations92
US6874033B1Mar 29, 2005
Network repeater and network next transfer desitination searching method
HITACHI LTD25 citations92
US6560233B1May 6, 2003
Data processing apparatus and network relaying apparatus
HITACHI LTD37 citations89
US5428725AJun 27, 1995
System for performing coordinate transformation of source image data
HITACHI LTD29 citations88
US7787442B2Aug 31, 2010
Communication statistic information collection apparatus
HITACHI LTD17 citations84
US7522592B2Apr 21, 2009
Packet transfer unit
HITACHI LTD11 citations84
US7408935B2Aug 5, 2008
Packet forwarding apparatus with a flow detection table
HITACHI LTD15 citations84
US7397765B2Jul 8, 2008
Bandwidth monitoring device
HITACHI LTD11 citations84
US7167474B2Jan 23, 2007
Network relaying apparatus and network relaying method capable of high-speed routing and packet transfer
HITACHI LTD11 citations84
US6658003B1Dec 2, 2003
Network relaying apparatus and network relaying method capable of high-speed flow detection
HITACHI LTD18 citations84
US4472973ASep 25, 1984
Ultrasonic flaw detecting apparatus of electronically scanning type
HITACHI LTD22 citations77
US7085272B2Aug 1, 2006
Network routing apparatus
HITACHI LTD6 citations74
US6671277B1Dec 30, 2003
Network relaying apparatus and network relaying method capable of high quality transfer of packets under stable service quality control
HITACHI LTD10 citations73
US5581278ADec 3, 1996
Image display control system
HITACHI LTD9 citations67
US7848321B2Dec 7, 2010
Method for high speed search tables switching and packet forwarding apparatus
HITACHI LTD3 citations63
US7924833B2Apr 12, 2011
Packet transfer unit
HITACHI LTD1 citations52
US6216194B1Apr 10, 2001
Information processing unit for separately controlling a plurality of shared buses
HITACHI LTD1 citations45
ALAXALA NETWORKS CORP
9 patentsUS7969880B2Jun 28, 2011
Device and method for relaying packets
ALAXALA NETWORKS CORP51 citations97
US7760632B2Jul 20, 2010
Device and method for relaying packets
ALAXALA NETWORKS CORP30 citations89
US7710962B2May 4, 2010
Packet forwarding apparatus and method for multicast packets
ALAXALA NETWORKS CORP13 citations82
US10887241B2Jan 5, 2021
Communication device, communication system, and communication method
ALAXALA NETWORKS CORP0 citations52
US10965605B2Mar 30, 2021
Communication system, communication control method, and communication apparatus
ALAXALA NETWORKS CORP0 citations43
US10389626B2Aug 20, 2019
Transfer device
ALAXALA NETWORKS CORP0 citations41
US9276876B2Mar 1, 2016
Data transfer apparatus and data transfer method
ALAXALA NETWORKS CORP0 citations41
US10326705B2Jun 18, 2019
Communication device and communication method
ALAXALA NETWORKS CORP0 citations40
US9830403B2Nov 28, 2017
Communication apparatus, and CAM failure diagnosis method
ALAXALA NETWORKS CORP0 citations38