Inventor · disambiguated record
Kenichi Ohtsuki
Also filed as: OHTSUKI KENICHI
26 granted patents·1 pending application·582 citations·filing 1987–2003
97Inventor score
Files withHITACHI LTD26
Top patents by PatentIndex Score
27 records- 0192US4956839AATM switching systemHITACHI LTD·Filed 1989·Granted Sep 11, 1990·142 cites·18 claims
- 0288US4910731ASwitching system and method of construction thereofHITACHI LTD·Filed 1988·Granted Mar 20, 1990·79 cites·20 claims
- 0387US4964119AMethod and system for packet exchangeHITACHI LTD·Filed 1989·Granted Oct 16, 1990·87 cites·14 claims
- 0478US5043979ATime-division channel arrangementHITACHI LTD·Filed 1987·Granted Aug 27, 1991·31 cites·12 claims
- 0575US5513177ADistributed switching system having at least one moduleHITACHI LTD·Filed 1991·Granted Apr 30, 1996·41 cites·36 claims
- 0671US6445703B2ATM cell switching systemHITACHI LTD·Filed 2000·Granted Sep 3, 2002·7 cites·6 claims
- 0767US6285675B1ATM cell switching systemHITACHI LTD·Filed 1999·Granted Sep 4, 2001·15 cites·10 claims
- 0865US6389025B2Distributed type switching systemHITACHI LTD·Filed 2001·Granted May 14, 2002·5 cites·14 claims
- 0964US5506713AOptical switching systemHITACHI LTD·Filed 1995·Granted Apr 9, 1996·23 cites·3 claims
- 1063US6639920B2Distributed type switching systemHITACHI LTD·Filed 2002·Granted Oct 28, 2003·4 cites·6 claims
- 1161US6215788B1ATM cell switching systemHITACHI LTD·Filed 1999·Granted Apr 10, 2001·11 cites·8 claims
- 1260US5740156APacket switching system having self-routing switchesHITACHI LTD·Filed 1991·Granted Apr 14, 1998·37 cites·15 claims
- 1359US6728242B2ATM cell switching systemHITACHI LTD·Filed 2003·Granted Apr 27, 2004·2 cites·6 claims
- 1457US6016317AATM cell switching systemHITACHI LTD·Filed 1995·Granted Jan 18, 2000·18 cites·11 claims
- 1554US6314096B1Packet switching system having self-routing switchesHITACHI LTD·Filed 1999·Granted Nov 6, 2001·11 cites·3 claims
- 1653US5734655ADistributed type switching systemHITACHI LTD·Filed 1995·Granted Mar 31, 1998·9 cites·7 claims
- 1751US7058062B2Packet switching system having self-routing switchesHITACHI LTD·Filed 2002·Granted Jun 6, 2006·1 cites·2 claims
- 1846US6546011B1ATM cell switching systemHITACHI LTD·Filed 2001·Granted Apr 8, 2003·0 cites·5 claims
- 1946US5477362AOptical switching systemHITACHI LTD·Filed 1993·Granted Dec 19, 1995·11 cites·23 claims
- 2045US6335934B1Distributed type switching systemHITACHI LTD·Filed 1999·Granted Jan 1, 2002·9 cites·6 claims
- 2145US6304570B1Distributed type switching systemHITACHI LTD·Filed 1999·Granted Oct 16, 2001·9 cites·12 claims
- 2244US5995510ADistributed type switching systemHITACHI LTD·Filed 1997·Granted Nov 30, 1999·9 cites·13 claims
- 2343US5999537APacket switching system having self-routing switchesHITACHI LTD·Filed 1997·Granted Dec 7, 1999·5 cites·2 claims
- 2442US2001028652A1ATM cell switching systemFiled 2001·Application pending·0 cites
- 2540US5745495AApparatus 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
- 2637US6618372B1Packet switching system having-having self-routing switchesHITACHI LTD·Filed 1999·Granted Sep 9, 2003·7 cites·16 claims
- 2733US6005867ATime-division channel arrangementHITACHI LTD·Filed 1995·Granted Dec 21, 1999·3 cites·3 claims
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