Inventor · disambiguated record
Sadao Ibukuro
Also filed as: IBUKURO SADAO
8 granted patents·4 pending applications·128 citations·filing 1988–2008
87Inventor score
Files withFUJITSU LTD12
Top patents by PatentIndex Score
12 records- 0177US5900621ALight transmitter having an automatic bias control circuitFUJITSU LTD·Filed 1997·Granted May 4, 1999·56 cites·30 claims
- 0274US6697546B2Optical node system and switched connection methodFUJITSU LTD·Filed 2000·Granted Feb 24, 2004·10 cites·16 claims
- 0374US6573985B2Wavelength dispersion measuring device and a method thereofFUJITSU LTD·Filed 2001·Granted Jun 3, 2003·17 cites·21 claims
- 0465US6674927B2Optical modulator with reduced deterioration of optical waveform in high frequency bandFUJITSU LTD·Filed 2001·Granted Jan 6, 2004·10 cites·10 claims
- 0556US6807245B2PLO deviceFUJITSU LTD·Filed 2002·Granted Oct 19, 2004·4 cites·6 claims
- 0654US6040931AOptical transmitter, terminal-station apparatus having the optical transmitter, and optical communication systemFUJITSU LTD·Filed 1997·Granted Mar 21, 2000·23 cites·24 claims
- 0750US7095961B2Optical communication system and optical receiverFUJITSU LTD·Filed 2001·Granted Aug 22, 2006·2 cites·40 claims
- 0848US2008219479A1Audio Output Circuit and Audio Output MethodFUJITSU LTD·Filed 2008·Application pending·0 cites
- 0946US2004151499A1Optical node system and switched connection methodFUJITSU LTD·Filed 2003·Application pending·0 cites
- 1040US2003095734A1Method and device for transmitting an optical signal by polarization scramblingFUJITSU LTD·Filed 2002·Application pending·0 cites
- 1138US2007071443A1Signal multiplexing apparatus and stuff controlling method thereinFUJITSU LTD·Filed 2005·Application pending·0 cites
- 1234US4961057AAutomatic gain control amplifier for compensating cable lossFUJITSU LTD·Filed 1988·Granted Oct 2, 1990·6 cites·21 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →