Inventor · disambiguated record
Kazunari Tsubaki
Also filed as: TSUBAKI KAZUNARI
5 granted patents·1 pending application·121 citations·filing 1996–2020
82Inventor score
Files withFUJITSU LTD6
Top patents by PatentIndex Score
6 records- 0189US6534997B1Apparatus and a method for locating a fault of a transmission lineFUJITSU LTD·Filed 2000·Granted Mar 18, 2003·56 cites·16 claims
- 0274US7330303B2Wavelength division multiplexed optical amplifierFUJITSU LTD·Filed 2004·Granted Feb 12, 2008·12 cites·12 claims
- 0368US6528981B1Low-voltage current mirror circuitFUJITSU LTD·Filed 1999·Granted Mar 4, 2003·26 cites·6 claims
- 0463US5892402AHigh precision current output circuitFUJITSU LTD·Filed 1996·Granted Apr 6, 1999·25 cites·24 claims
- 0562US7499212B2Optical amplifierFUJITSU LTD·Filed 2006·Granted Mar 3, 2009·2 cites·7 claims
- 0653US2021111800A1Optical amplifier, optical transmission device, and optical transmission systemFUJITSU LTD·Filed 2020·Application pending·0 cites
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