Inventor · disambiguated record
Toshinori Koyanagi
Also filed as: KOYANAGI TOSHINORI
9 granted patents·163 citations·filing 1999–2005
88Inventor score
Files withFUJITSU LTD9
Top patents by PatentIndex Score
9 records- 0194US6647210B1Delay adjustment unit and method, optical network unit, and communication systemFUJITSU LTD·Filed 2000·Granted Nov 11, 2003·65 cites·20 claims
- 0283US6728248B1Optical line terminalFUJITSU LTD·Filed 2000·Granted Apr 27, 2004·29 cites·13 claims
- 0375US6611928B1Homo-code continuity proof testing deviceFUJITSU LTD·Filed 2000·Granted Aug 26, 2003·24 cites·23 claims
- 0471US7546496B2Packet transmission device and packet transmission methodFUJITSU LTD·Filed 2005·Granted Jun 9, 2009·7 cites·6 claims
- 0571US6848053B1Optical network unit and optical line terminalFUJITSU LTD·Filed 2000·Granted Jan 25, 2005·17 cites·10 claims
- 0653US7415111B2Optical network unit and optical line terminalFUJITSU LTD·Filed 2004·Granted Aug 19, 2008·2 cites·17 claims
- 0751US6587527B1Frame synchronism processing apparatus and frame synchronism processing methodFUJITSU LTD·Filed 1999·Granted Jul 1, 2003·17 cites·19 claims
- 0842US7177326B2Communication systemFUJITSU LTD·Filed 2002·Granted Feb 13, 2007·0 cites·18 claims
- 0929US6650841B1Optical subscriber line terminal unit and a state transition control methodFUJITSU LTD·Filed 1999·Granted Nov 18, 2003·2 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →