Inventor · disambiguated record
Yoshito Sakurai
Also filed as: SAKURAI YOSHITO
40 granted patents·1 pending application·1,856 citations·filing 1987–2006
98Inventor score
Files withHITACHI LTD39
Top patents by PatentIndex Score
41 records- 0199US7046630B2Packet switching network, packet switching equipment and network management equipmentHITACHI LTD·Filed 2002·Granted May 16, 2006·333 cites·4 claims
- 0297US6512745B1Packet switching network, packet switching equipment, and network management equipmentHITACHI LTD·Filed 1999·Granted Jan 28, 2003·414 cites·4 claims
- 0393US4947388ACell switching system of asynchronous transfer modeHITACHI LTD·Filed 1989·Granted Aug 7, 1990·149 cites·7 claims
- 0492US4956839AATM switching systemHITACHI LTD·Filed 1989·Granted Sep 11, 1990·142 cites·18 claims
- 0588US4910731ASwitching system and method of construction thereofHITACHI LTD·Filed 1988·Granted Mar 20, 1990·79 cites·20 claims
- 0684US5809119ACommunication method of supplying information in intelligent network and apparatus thereforHITACHI LTD·Filed 1996·Granted Sep 15, 1998·96 cites·2 claims
- 0781US6108304APacket switching network, packet switching equipment, and network management equipmentFiled 1998·Granted Aug 22, 2000·93 cites·14 claims
- 0878US5043979ATime-division channel arrangementHITACHI LTD·Filed 1987·Granted Aug 27, 1991·31 cites·12 claims
- 0977US5184346ASwitching systemHITACHI LTD·Filed 1990·Granted Feb 2, 1993·90 cites·21 claims
- 1075US5513177ADistributed switching system having at least one moduleHITACHI LTD·Filed 1991·Granted Apr 30, 1996·41 cites·36 claims
- 1171US6445703B2ATM cell switching systemHITACHI LTD·Filed 2000·Granted Sep 3, 2002·7 cites·6 claims
- 1268USRE41472ECommunication method of supplying information in intelligent network and apparatus thereforHITACHI LTD·Filed 2006·Granted Aug 3, 2010·2 cites·10 claims
- 1367US6285675B1ATM cell switching systemHITACHI LTD·Filed 1999·Granted Sep 4, 2001·15 cites·10 claims
- 1467US5124977ASwitching system for switching cells having error detection apparatusHITACHI LTD·Filed 1990·Granted Jun 23, 1992·37 cites·36 claims
- 1565US6389025B2Distributed type switching systemHITACHI LTD·Filed 2001·Granted May 14, 2002·5 cites·14 claims
- 1665US5099475ASwitching systemHITACHI LTD·Filed 1990·Granted Mar 24, 1992·49 cites·15 claims
- 1764US5506713AOptical switching systemHITACHI LTD·Filed 1995·Granted Apr 9, 1996·23 cites·3 claims
- 1863US6639920B2Distributed type switching systemHITACHI LTD·Filed 2002·Granted Oct 28, 2003·4 cites·6 claims
- 1961USRE39903ECommunication method of supplying information in intelligent network and apparatus thereforHITACHI LTD·Filed 2000·Granted Oct 30, 2007·4 cites·15 claims
- 2061US6215788B1ATM cell switching systemHITACHI LTD·Filed 1999·Granted Apr 10, 2001·11 cites·8 claims
- 2160US5740156APacket switching system having self-routing switchesHITACHI LTD·Filed 1991·Granted Apr 14, 1998·37 cites·15 claims
- 2259US6728242B2ATM cell switching systemHITACHI LTD·Filed 2003·Granted Apr 27, 2004·2 cites·6 claims
- 2358US5590180ACommunication method of supplying information in intelligent network and apparatus thereforHITACHI LTD·Filed 1994·Granted Dec 31, 1996·19 cites·11 claims
- 2457US6016317AATM cell switching systemHITACHI LTD·Filed 1995·Granted Jan 18, 2000·18 cites·11 claims
- 2554US6314096B1Packet switching system having self-routing switchesHITACHI LTD·Filed 1999·Granted Nov 6, 2001·11 cites·3 claims
- 2654US5285444AMulti-stage link switchHITACHI LTD·Filed 1992·Granted Feb 8, 1994·27 cites·5 claims
- 2754US5214640AHigh-speed packet switching systemHITACHI LTD·Filed 1990·Granted May 25, 1993·28 cites·15 claims
- 2853US5734655ADistributed type switching systemHITACHI LTD·Filed 1995·Granted Mar 31, 1998·9 cites·7 claims
- 2951US7058062B2Packet switching system having self-routing switchesHITACHI LTD·Filed 2002·Granted Jun 6, 2006·1 cites·2 claims
- 3046US6546011B1ATM cell switching systemHITACHI LTD·Filed 2001·Granted Apr 8, 2003·0 cites·5 claims
- 3146US5477362AOptical switching systemHITACHI LTD·Filed 1993·Granted Dec 19, 1995·11 cites·23 claims
- 3245US6335934B1Distributed type switching systemHITACHI LTD·Filed 1999·Granted Jan 1, 2002·9 cites·6 claims
- 3345US6304570B1Distributed type switching systemHITACHI LTD·Filed 1999·Granted Oct 16, 2001·9 cites·12 claims
- 3444US5995510ADistributed type switching systemHITACHI LTD·Filed 1997·Granted Nov 30, 1999·9 cites·13 claims
- 3544US5164937APacket concentrator and packet switching systemHITACHI LTD·Filed 1990·Granted Nov 17, 1992·15 cites·23 claims
- 3643US5999537APacket switching system having self-routing switchesHITACHI LTD·Filed 1997·Granted Dec 7, 1999·5 cites·2 claims
- 3742US2001028652A1ATM cell switching systemFiled 2001·Application pending·0 cites
- 3840US5745495AApparatus for monitoring and controlling autonomous switching of trunk/subscriber lines in a distributed switching systemHITACHI LTD·Filed 1995·Granted Apr 28, 1998·6 cites·6 claims
- 3937US6618372B1Packet switching system having-having self-routing switchesHITACHI LTD·Filed 1999·Granted Sep 9, 2003·7 cites·16 claims
- 4033USRE36716ESwitching system for switching cells having error detection apparatusHITACHI LTD·Filed 1995·Granted May 30, 2000·5 cites·36 claims
- 4133US6005867ATime-division channel arrangementHITACHI LTD·Filed 1995·Granted Dec 21, 1999·3 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →