Inventor
TAKECHI RYUICHI
JP38 patents
⚠️ This page may combine multiple inventors who share the name “TAKECHI RYUICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJITSU LTD
32 patentsUS6021135AFeb 1, 2000
Cell assembly and multiplexing device, and demultiplexing device
FUJITSU LTD65 citations96
US5689501ANov 18, 1997
Connectionless communication system
FUJITSU LTD67 citations95
US5610913AMar 11, 1997
Switching equipment for performing a switching operation for a high-speed packet in broadband Integrated Services Digital Network
FUJITSU LTD62 citations94
US6975651B1Dec 13, 2005
Cell processing apparatus, ATM exchange and cell discarding method
FUJITSU LTD27 citations93
US7277430B2Oct 2, 2007
Short cell multiplexer
FUJITSU LTD23 citations92
US7136365B2Nov 14, 2006
Mobile node adapted router and home agent router
FUJITSU LTD29 citations92
US6646999B1Nov 11, 2003
Mobile packet communication system
FUJITSU LTD44 citations92
US6411620B1Jun 25, 2002
Connectionless communication system
FUJITSU LTD26 citations92
US5809012ASep 15, 1998
Connectionless communication system
FUJITSU LTD55 citations92
US5513191AApr 30, 1996
Asynchronous transfer mode (ATM) cell error processing system
FUJITSU LTD29 citations92
US11737128B2Aug 22, 2023
Wireless communications system, base station, mobile station, and processing method
FUJITSU LTD7 citations86
US11690092B2Jun 27, 2023
Wireless communications system, base station, mobile station, and processing method
FUJITSU LTD6 citations86
US11432346B2Aug 30, 2022
Wireless communications system, base station, and mobile station
FUJITSU LTD6 citations86
US10728932B2Jul 28, 2020
Wireless communications system, base station, and mobile station
FUJITSU LTD8 citations84
US7949755B2May 24, 2011
Network/service control method
FUJITSU LTD12 citations84
US7711819B2May 4, 2010
Load balancer
FUJITSU LTD16 citations84
US6781993B1Aug 24, 2004
Switch and switching method for processing communication data of a particular connection
FUJITSU LTD13 citations84
US6490286B1Dec 3, 2002
Short cell multiplexing apparatus
FUJITSU LTD14 citations84
US5790525AAug 4, 1998
Information collection device and method for use with communications networks
FUJITSU LTD17 citations83
US6757254B2Jun 29, 2004
ATM switching apparatus applicable to short cell
FUJITSU LTD6 citations74
US6483810B1Nov 19, 2002
ATM switching apparatus applicable to short cell
FUJITSU LTD9 citations74
US6317432B1Nov 13, 2001
Short-cell multiplexing device
FUJITSU LTD10 citations74
US6005844ADec 21, 1999
Information collection device and method for use with communications networks
FUJITSU LTD8 citations72
US7359350B2Apr 15, 2008
Mobile packet communication system
FUJITSU LTD4 citations63
US6470014B1Oct 22, 2002
Short cell multiplexer
FUJITSU LTD3 citations63
US12219592B2Feb 4, 2025
Wireless communications system, base station, mobile station, and processing method
FUJITSU LTD0 citations62
US7657653B2Feb 2, 2010
Load decentralization method and apparatus thereof
FUJITSU LTD5 citations62
US7457863B2Nov 25, 2008
Home agent for getting information a line usage, a CPU usage rate, and a registered node number, and for adjusting transmitting period from a mobile node
FUJITSU LTD2 citations62
US12250666B2Mar 11, 2025
Base station device, relay device, and communication system
FUJITSU LTD0 citations52
US9204348B2Dec 1, 2015
Method for dropping packet data, radio communication device, and mobile communication system
FUJITSU LTD0 citations52
US7113509B2Sep 26, 2006
Node device
FUJITSU LTD1 citations52
US7554950B2Jun 30, 2009
Handover method and mobile communication system and mobile terminal using same
FUJITSU LTD0 citations45
OHTA YOSHIAKI
4 patentsUS8233453B2Jul 31, 2012
Method for dropping packet data, radio communication device, and mobile communication system
OHTA YOSHIAKI5 citations74
US8582533B2Nov 12, 2013
Method for dropping packet data, radio communication device, and mobile communication system
OHTA YOSHIAKI1 citations63
US8711810B2Apr 29, 2014
Method for dropping packet data, radio communication device, and mobile communication system
OHTA YOSHIAKI1 citations60
US8908644B2Dec 9, 2014
Method for dropping packet data, radio communication device, and mobile communication system
OHTA YOSHIAKI0 citations52
TAKECHI RYUICHI
2 patentsUS8577397B2Nov 5, 2013
Wireless communication system, communication control method, mobility management apparatus, mobile terminal and base station
TAKECHI RYUICHI2 citations58
US8730907B2May 20, 2014
Transmitting and receiving location registration messages and data packets in a communication system
TAKECHI RYUICHI0 citations37