Inventor · disambiguated record
Shoichiro Kuwahara
Also filed as: KUWAHARA SHOICHIRO
12 granted patents·4 pending applications·115 citations·filing 2002–2024
89Inventor score
Top patents by PatentIndex Score
16 records- 0189US11397363B2Automatic bias control circuitNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted Jul 26, 2022·9 cites·20 claims
- 0289US7116917B2Optical transmitter and optical transmission systemNIPPON TELEGRAPH & TELEPHONE·Filed 2002·Granted Oct 3, 2006·32 cites·24 claims
- 0388US10823989B2Bias control circuit and bias control methodNIPPON TELEGRAPH & TELEPHONE·Filed 2018·Granted Nov 3, 2020·4 cites·22 claims
- 0488US7734194B2Optical transmission system, optical transmitter for optical transmission system, and optical receiver for optical transmission systemNIPPON TELEGRAPH & TELEPHONE·Filed 2005·Granted Jun 8, 2010·16 cites·5 claims
- 0587US8005374B2Optical transmission system, optical transmitter for optical transmission system, and optical receiver for optical transmission systemNIPPON TELEGRAPH & TELEPHONE·Filed 2010·Granted Aug 23, 2011·10 cites·6 claims
- 0685US10313015B2Optical transmitter and bias voltage control methodNIPPON TELEGRAPH & TELEPHONE·Filed 2016·Granted Jun 4, 2019·6 cites·11 claims
- 0784US7536108B2High precision chromatic dispersion measuring method and automatic dispersion compensating optical link system that uses this methodNIPPON TELEGRAPH & TELEPHONE·Filed 2002·Granted May 19, 2009·30 cites·39 claims
- 0875US7995930B2Optical receiver using Mach-Zehnder interferometerNTT ELECTRONICS CORP·Filed 2006·Granted Aug 9, 2011·8 cites·13 claims
- 0975US2025158345A1Pump light generation apparatus, optical amplifier and pump light generation methodNIPPON TELEGRAPH & TELEPHONE·Filed 2022·Application pending·0 cites
- 1067US2024258760A1Distributed Optical Amplifier, Distributed Optical Amplifier System, And Distributed Optical Amplification MethodNIPPON TELEGRAPH & TELEPHONE·Filed 2024·Application pending·0 cites
- 1154US12372721B2Depolarizer and optical amplifier excitation apparatusNIPPON TELEGRAPH & TELEPHONE·Filed 2020·Granted Jul 29, 2025·0 cites·1 claims
- 1252US11822161B2Bias voltage adjustment apparatus and IQ optical modulation systemNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted Nov 21, 2023·0 cites·7 claims
- 1351US11711198B2Synchronous detection apparatus, synchronous detection method, and programNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted Jul 25, 2023·0 cites·9 claims
- 1449US2025028217A1Control circuit and optical circuit control methodNIPPON TELEGRAPH & TELEPHONE·Filed 2022·Application pending·0 cites
- 1543US11711151B2Optical transmission system and compensation methodNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted Jul 25, 2023·0 cites·8 claims
- 1641US2004131363A1Polarization mode dispersion compensation method and polarization mode dispersion compensation deviceFiled 2003·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →