Inventor · disambiguated record
Haruo Fujiwara
Also filed as: FUJIWARA HARUO
6 granted patents·160 citations·filing 1990–2002
85Inventor score
Files withFUJITSU LTD6
Top patents by PatentIndex Score
6 records- 0181US7103275B2Optical transmission systemFUJITSU LTD·Filed 2002·Granted Sep 5, 2006·28 cites·17 claims
- 0274US5615290ABranch device for optical multiplex systemFUJITSU LTD·Filed 1996·Granted Mar 25, 1997·49 cites·5 claims
- 0360US5282074AOptical amplification repeating systemFUJITSU LTD·Filed 1993·Granted Jan 25, 1994·32 cites·21 claims
- 0456US5274496AOptical amplifying repeater with monitor and control functionFUJITSU LTD·Filed 1993·Granted Dec 28, 1993·26 cites·4 claims
- 0548US5097353AOptical repeater having phase inversion circuitFUJITSU LTD·Filed 1990·Granted Mar 17, 1992·19 cites·15 claims
- 0634US5956167ALight branching and insertion apparatus and optical transmission system having light branching and insertion apparatusFUJITSU LTD·Filed 1997·Granted Sep 21, 1999·6 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →