Inventor · disambiguated record
Yoshihiro Sanpei
Also filed as: SANPEI YOSHIHIRO
6 granted patents·52 citations·filing 2002–2008
81Inventor score
Files withYOKOGAWA ELECTRIC CORP6
Top patents by PatentIndex Score
6 records- 0192US7411725B2Optical signal demodulatorYOKOGAWA ELECTRIC CORP·Filed 2006·Granted Aug 12, 2008·30 cites·27 claims
- 0278US7848662B2Delay interferometer and demodulatorYOKOGAWA ELECTRIC CORP·Filed 2007·Granted Dec 7, 2010·8 cites·9 claims
- 0368US7847952B2Delayed interferometer enabling a reduction of polarization-dependent frequency shift and demodulatorYOKOGAWA ELECTRIC CORP·Filed 2008·Granted Dec 7, 2010·4 cites·6 claims
- 0459US7864325B2Interferometer, demodulator, and splitting elementYOKOGAWA ELECTRIC CORP·Filed 2008·Granted Jan 4, 2011·2 cites·7 claims
- 0553US6999169B2SpectrometerYOKOGAWA ELECTRIC CORP·Filed 2002·Granted Feb 14, 2006·6 cites·5 claims
- 0645US6885447B2Spectrometer and optical spectrum analyzerYOKOGAWA ELECTRIC CORP·Filed 2003·Granted Apr 26, 2005·2 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →