Inventor · disambiguated record
Ryuichi Takechi
Also filed as: TAKECHI RYUICHI
38 granted patents·6 pending applications·583 citations·filing 1992–2022
98Inventor score
Top patents by PatentIndex Score
44 records- 0198US11432346B2Wireless communications system, base station, and mobile stationFUJITSU LTD·Filed 2020·Granted Aug 30, 2022·6 cites·8 claims
- 0294US11737128B2Wireless communications system, base station, mobile station, and processing methodFUJITSU LTD·Filed 2019·Granted Aug 22, 2023·7 cites·9 claims
- 0393US10728932B2Wireless communications system, base station, and mobile stationFUJITSU LTD·Filed 2017·Granted Jul 28, 2020·8 cites·13 claims
- 0492US11690092B2Wireless communications system, base station, mobile station, and processing methodFUJITSU LTD·Filed 2017·Granted Jun 27, 2023·6 cites·16 claims
- 0587US6646999B1Mobile packet communication systemFUJITSU LTD·Filed 2000·Granted Nov 11, 2003·44 cites·8 claims
- 0684US7949755B2Network/service control methodFUJITSU LTD·Filed 2007·Granted May 24, 2011·12 cites·2 claims
- 0780US8233453B2Method for dropping packet data, radio communication device, and mobile communication systemOHTA YOSHIAKI·Filed 2008·Granted Jul 31, 2012·5 cites·8 claims
- 0880US7136365B2Mobile node adapted router and home agent routerFUJITSU LTD·Filed 2001·Granted Nov 14, 2006·29 cites·9 claims
- 0979US7277430B2Short cell multiplexerFUJITSU LTD·Filed 2002·Granted Oct 2, 2007·23 cites·3 claims
- 1077US12219592B2Wireless communications system, base station, mobile station, and processing methodFUJITSU LTD·Filed 2022·Granted Feb 4, 2025·0 cites·10 claims
- 1172US7711819B2Load balancerFUJITSU LTD·Filed 2002·Granted May 4, 2010·16 cites·10 claims
- 1272US7657653B2Load decentralization method and apparatus thereofFUJITSU LTD·Filed 2005·Granted Feb 2, 2010·5 cites·7 claims
- 1370US8582533B2Method for dropping packet data, radio communication device, and mobile communication systemOHTA YOSHIAKI·Filed 2012·Granted Nov 12, 2013·1 cites·18 claims
- 1469US6021135ACell assembly and multiplexing device, and demultiplexing deviceFUJITSU LTD·Filed 1997·Granted Feb 1, 2000·65 cites·13 claims
- 1568US5689501AConnectionless communication systemFUJITSU LTD·Filed 1995·Granted Nov 18, 1997·67 cites·14 claims
- 1667US8711810B2Method for dropping packet data, radio communication device, and mobile communication systemOHTA YOSHIAKI·Filed 2012·Granted Apr 29, 2014·1 cites·18 claims
- 1766US8577397B2Wireless communication system, communication control method, mobility management apparatus, mobile terminal and base stationTAKECHI RYUICHI·Filed 2012·Granted Nov 5, 2013·2 cites·15 claims
- 1865US5610913ASwitching equipment for performing a switching operation for a high-speed packet in broadband Integrated Services Digital NetworkFUJITSU LTD·Filed 1995·Granted Mar 11, 1997·62 cites·38 claims
- 1964US5809012AConnectionless communication systemFUJITSU LTD·Filed 1995·Granted Sep 15, 1998·55 cites·5 claims
- 2062US6757254B2ATM switching apparatus applicable to short cellFUJITSU LTD·Filed 2002·Granted Jun 29, 2004·6 cites·11 claims
- 2160US9204348B2Method for dropping packet data, radio communication device, and mobile communication systemFUJITSU LTD·Filed 2014·Granted Dec 1, 2015·0 cites·8 claims
- 2260US5513191AAsynchronous transfer mode (ATM) cell error processing systemFUJITSU LTD·Filed 1992·Granted Apr 30, 1996·29 cites·16 claims
- 2357US7359350B2Mobile packet communication systemFUJITSU LTD·Filed 2003·Granted Apr 15, 2008·4 cites·9 claims
- 2456US12250666B2Base station device, relay device, and communication systemFUJITSU LTD·Filed 2022·Granted Mar 11, 2025·0 cites·7 claims
- 2555US8908644B2Method for dropping packet data, radio communication device, and mobile communication systemOHTA YOSHIAKI·Filed 2012·Granted Dec 9, 2014·0 cites·5 claims
- 2652US7457863B2Home agent for getting information a line usage, a CPU usage rate, and a registered node number, and for adjusting transmitting period from a mobile nodeFUJITSU LTD·Filed 2002·Granted Nov 25, 2008·2 cites·1 claims
- 2751US7113509B2Node deviceFUJITSU LTD·Filed 2001·Granted Sep 26, 2006·1 cites·53 claims
- 2851US6975651B1Cell processing apparatus, ATM exchange and cell discarding methodFUJITSU LTD·Filed 1999·Granted Dec 13, 2005·27 cites·21 claims
- 2950US6411620B1Connectionless communication systemFUJITSU LTD·Filed 1997·Granted Jun 25, 2002·26 cites·47 claims
- 3049US2010128727A1Transmitting apparatus, receiving apparatus, transmitting method, and receiving methodFUJITSU LTD·Filed 2009·Application pending·0 cites
- 3149US2022337430A1Control method, control program, and information processing deviceFUJITSU LTD·Filed 2022·Application pending·0 cites
- 3248US6317432B1Short-cell multiplexing deviceFUJITSU LTD·Filed 1998·Granted Nov 13, 2001·10 cites·26 claims
- 3346US2004141513A1Address translation deviceFiled 2004·Application pending·0 cites
- 3444US8730907B2Transmitting and receiving location registration messages and data packets in a communication systemTAKECHI RYUICHI·Filed 2009·Granted May 20, 2014·0 cites·12 claims
- 3542US5790525AInformation collection device and method for use with communications networksFUJITSU LTD·Filed 1995·Granted Aug 4, 1998·17 cites·25 claims
- 3641US6781993B1Switch and switching method for processing communication data of a particular connectionFUJITSU LTD·Filed 1999·Granted Aug 24, 2004·13 cites·23 claims
- 3741US6490286B1Short cell multiplexing apparatusFUJITSU LTD·Filed 1998·Granted Dec 3, 2002·14 cites·11 claims
- 3840US2003225892A1Handover method in mobile communication system and router device used in mobile communication systemFiled 2003·Application pending·0 cites
- 3940US2003026241A1Packet transfer method for hierarchical packet network, hierarchical packet communication system, and gate node, edge node and mobile terminal for use with hierarchical packet communication system, as well as handover method and routing node for packet networkFiled 2001·Application pending·0 cites
- 4040US2002186679A1Mobile node supporting routerFiled 2001·Application pending·0 cites
- 4138US6483810B1ATM switching apparatus applicable to short cellFUJITSU LTD·Filed 1998·Granted Nov 19, 2002·9 cites·18 claims
- 4237US7554950B2Handover method and mobile communication system and mobile terminal using sameFUJITSU LTD·Filed 2005·Granted Jun 30, 2009·0 cites·11 claims
- 4335US6005844AInformation collection device and method for use with communications networksFUJITSU LTD·Filed 1997·Granted Dec 21, 1999·8 cites·6 claims
- 4432US6470014B1Short cell multiplexerFUJITSU LTD·Filed 1998·Granted Oct 22, 2002·3 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →