Inventor · disambiguated record
Keiichiro Tsukamoto
Also filed as: TSUKAMOTO KEIICHIRO
8 granted patents·1 pending application·118 citations·filing 1998–2006
85Inventor score
Top patents by PatentIndex Score
9 records- 0166US6498794B1Transmitter with cell switching functionFUJITSU LTD·Filed 1999·Granted Dec 24, 2002·60 cites·9 claims
- 0260US7154894B1ATM cell service apparatus accomodating an ATM cell in an optical asynchronous communications network through a North America asynchronous communications networkFUJITSU LTD·Filed 2000·Granted Dec 26, 2006·7 cites·7 claims
- 0357US6188701B1Apparatus and method for interfacing between communication networksFUJITSU LTD·Filed 1998·Granted Feb 13, 2001·23 cites·19 claims
- 0445US7417878B2Distributed power supply and method of recovering from errorFUJITSU LTD·Filed 2006·Granted Aug 26, 2008·2 cites·12 claims
- 0544US2007081466A1ATM cell service apparatus accommodating an ATM cell in an optical asynchronous communications network through a North America asynchronous communications networkTSUKAMOTO KEIICHIRO·Filed 2006·Application pending·0 cites
- 0643US7672341B2Transmission apparatus and reception interface apparatusFUJITSU LTD·Filed 2004·Granted Mar 2, 2010·0 cites·14 claims
- 0743US6657953B1Signal loopback deviceFUJITSU LTD·Filed 1998·Granted Dec 2, 2003·21 cites·9 claims
- 0839US7912096B2Add/drop multiplexer and interfaceFUJITSU LTD·Filed 2002·Granted Mar 22, 2011·0 cites·8 claims
- 0932US6192437B1Transmission apparatus with control circuit/relay within each card providing connection to related card output depending on related slot ID/ redundancy/non-redundancy, working/protection signalsFUJITSU LTD·Filed 1999·Granted Feb 20, 2001·5 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →