Inventor · disambiguated record
Hirohiko Sonoda
Also filed as: SONODA HIROHIKO
6 granted patents·4 pending applications·23 citations·filing 2000–2025
78Inventor score
Top patents by PatentIndex Score
10 records- 0172US9461754B2Optical receiving apparatus, optical transmitter and receiver module, and optical transmitting and receiving apparatusFUJITSU OPTICAL COMPONENTS LTD·Filed 2014·Granted Oct 4, 2016·3 cites·7 claims
- 0269US7646982B2Chromatic dispersion compensatorFUJITSU LTD·Filed 2005·Granted Jan 12, 2010·4 cites·10 claims
- 0368US7319821B2Chromatic dispersion generating apparatusFUJITSU LTD·Filed 2005·Granted Jan 15, 2008·5 cites·9 claims
- 0460US6384957B1Variable optical attenuator utilizing Faraday effectFUJITSU LTD·Filed 2000·Granted May 7, 2002·8 cites·10 claims
- 0555US2024264390A1Optical device, optical module, and optical transmission and reception apparatusFUJITSU OPTICAL COMPONENTS LTD·Filed 2023·Application pending·0 cites
- 0654US2025052964A1Optical device and optical transceiverFUJITSU OPTICAL COMPONENTS LTD·Filed 2024·Application pending·0 cites
- 0750US2025271628A1Optical module and optical transceiverFUJITSU OPTICAL COMPONENTS LTD·Filed 2025·Application pending·0 cites
- 0847US7200297B2Device using a virtually-imaged phased array (VIPA) with an improved transmission wave characteristic of output lightFUJITSU LTD·Filed 2002·Granted Apr 3, 2007·2 cites·14 claims
- 0943US6894851B2Optical deviceFUJITSU LTD·Filed 2003·Granted May 17, 2005·1 cites·9 claims
- 1036US2004057115A1Optical deviceFUJITSU LTD·Filed 2003·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →