Inventor · disambiguated record
Shinichirou Harasawa
Also filed as: HARASAWA SHINICHIROU
16 granted patents·347 citations·filing 1993–2008
95Inventor score
Top patents by PatentIndex Score
16 records- 0193US7215415B2Measurement method by OTDR and terminal station apparatusNIPPON TELEGRAPH & TELEPHONE·Filed 2004·Granted May 8, 2007·70 cites·10 claims
- 0286US6721507B2Optical communications systemFUJITSU LTD·Filed 2002·Granted Apr 13, 2004·19 cites·3 claims
- 0384US7792430B2Automatic power restoring method and optical communication systemFUJITSU LTD·Filed 2008·Granted Sep 7, 2010·9 cites·2 claims
- 0482US5459328ADriver circuit for light emitting elements connected in series and an optical amplifying repeater using the sameFUJITSU LTD·Filed 1994·Granted Oct 17, 1995·56 cites·8 claims
- 0575US7420666B2Measurement method by OTDR and terminal station apparatusFUJITSU LTD·Filed 2007·Granted Sep 2, 2008·5 cites·4 claims
- 0674US6414770B2Optical communications systemFUJITSU LTD·Filed 2001·Granted Jul 2, 2002·9 cites·17 claims
- 0774US5615290ABranch device for optical multiplex systemFUJITSU LTD·Filed 1996·Granted Mar 25, 1997·49 cites·5 claims
- 0873US7664392B2Automatic power restoring method and optical communication systemFUJITSU LTD·Filed 2008·Granted Feb 16, 2010·4 cites·6 claims
- 0968US7437069B2Automatic power restoring method and optical communication systemFUJITSU LTD·Filed 2004·Granted Oct 14, 2008·8 cites·12 claims
- 1068US6233076B1Optical communications systemFUJITSU LTD·Filed 1997·Granted May 15, 2001·25 cites·33 claims
- 1163US5784192AOptical amplifying repeaterFUJITSU LTD·Filed 1996·Granted Jul 21, 1998·27 cites·4 claims
- 1261US5883735AOptical amplifying repeaterFUJITSU LTD·Filed 1998·Granted Mar 16, 1999·25 cites·4 claims
- 1351US6144474AOptical transmission system including optical repeaters with selectively enabled gain equalizers contained therein and including an add/drop apparatus with a plurality of individually selectable filtersFUJITSU LTD·Filed 1997·Granted Nov 7, 2000·20 cites·8 claims
- 1449US5838476AInput monitoring system for optical amplifying repeaterFUJITSU LTD·Filed 1995·Granted Nov 17, 1998·15 cites·10 claims
- 1534US5530936ASemiconductor laser driving circuitFUJITSU LTD·Filed 1993·Granted Jun 25, 1996·4 cites·11 claims
- 1631US7092149B1Input monitoring system for optical amplifying repeaterFUJITSU LTD·Filed 1998·Granted Aug 15, 2006·2 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →