Inventor · disambiguated record
Masaki Sugiyama
Also filed as: NAKAZAWA LEGAL REPRESENTATIVE · SUGIYAMA MASAKI
157 granted patents·65 pending applications·885 citations·filing 1982–2025
99Inventor score
Files withFUJITSU OPTICAL COMPONENTS LTD105FUJITSU LTD38SUGIYAMA MASAKI28TOYOTA BOSHOKU KK14PANASONIC IP MAN CO LTD11
Top patents by PatentIndex Score
222 records- 0198US8824836B2Optical waveguide, optical modulator and optical couplerSUGIYAMA MASAKI·Filed 2011·Granted Sep 2, 2014·88 cites·18 claims
- 0297US11914233B2Optical device and optical communication deviceFUJITSU OPTICAL COMPONENTS LTD·Filed 2022·Granted Feb 27, 2024·4 cites·11 claims
- 0396US12078877B2Optical modulator and optical communication apparatusFUJITSU OPTICAL COMPONENTS LTD·Filed 2022·Granted Sep 3, 2024·3 cites·10 claims
- 0496US10955723B2Optical modulator, and optical transceiver module using the sameFUJITSU OPTICAL COMPONENTS LTD·Filed 2019·Granted Mar 23, 2021·11 cites·11 claims
- 0596US8712195B2Optical modulator moduleSUGIYAMA MASAKI·Filed 2011·Granted Apr 29, 2014·18 cites·19 claims
- 0695US12019349B2Optical device and optical transceiver using the sameFUJITSU OPTICAL COMPONENTS LTD·Filed 2021·Granted Jun 25, 2024·3 cites·13 claims
- 0795US10355448B2Tunable laser sourceFUJITSU OPTICAL COMPONENTS LTD·Filed 2017·Granted Jul 16, 2019·9 cites·13 claims
- 0895US10349492B2Wavelength tunable light source, light source module, and wavelength control methodFUJITSU OPTICAL COMPONENTS LTD·Filed 2018·Granted Jul 9, 2019·10 cites·15 claims
- 0995US9316887B2Optical modulator and optical transmitterFUJITSU OPTICAL COMPONENTS LTD·Filed 2013·Granted Apr 19, 2016·12 cites·14 claims
- 1094US9588359B2Optical moduleFUJITSU OPTICAL COMPONENTS LTD·Filed 2015·Granted Mar 7, 2017·7 cites·6 claims
- 1194US9535213B2Optical module with cover material covering part of electrode portion and signal lineFUJITSU OPTICAL COMPONENTS LTD·Filed 2015·Granted Jan 3, 2017·14 cites·5 claims
- 1294US9507235B2Optical module and transmitting apparatusFUJITSU OPTICAL COMPONENTS LTD·Filed 2015·Granted Nov 29, 2016·8 cites·6 claims
- 1394US8467634B2Optical device having optical modulatorsSUGIYAMA MASAKI·Filed 2010·Granted Jun 18, 2013·11 cites·8 claims
- 1493US11852878B2Optical device and optical communication apparatusFUJITSU OPTICAL COMPONENTS LTD·Filed 2022·Granted Dec 26, 2023·2 cites·10 claims
- 1593US9557624B2Optical modulator and optical transmitterFUJITSU OPTICAL COMPONENTS LTD·Filed 2015·Granted Jan 31, 2017·6 cites·19 claims
- 1693US9231728B2Optical module and optical transmitterFUJITSU OPTICAL COMPONENTS LTD·Filed 2014·Granted Jan 5, 2016·10 cites·21 claims
- 1793US7668409B2Optical communication device and optical deviceFUJITSU LTD·Filed 2007·Granted Feb 23, 2010·17 cites·2 claims
- 1893US7286727B2Optical communication device and optical deviceFUJITSU LTD·Filed 2005·Granted Oct 23, 2007·17 cites·24 claims
- 1992US7603002B2Optical deviceFUJITSU LTD·Filed 2005·Granted Oct 13, 2009·17 cites·23 claims
- 2092US7471853B2Optical modulatorFUJITSU LTD·Filed 2007·Granted Dec 30, 2008·17 cites·28 claims
- 2192US7058241B2Optical modulatorFUJITSU LTD·Filed 2005·Granted Jun 6, 2006·18 cites·20 claims
- 2291USD989650SFlow meterPANASONIC IP MAN CO LTD·Filed 2021·Granted Jun 20, 2023·5 cites·1 claims
- 2391USD989649SFlow meterPANASONIC IP MAN CO LTD·Filed 2021·Granted Jun 20, 2023·4 cites·1 claims
- 2491US11320595B2Optical device that includes optical modulator, and optical transceiverFUJITSU OPTICAL COMPONENTS LTD·Filed 2021·Granted May 3, 2022·2 cites·7 claims
- 2591US10423014B2Optical module and optical modulatorFUJITSU OPTICAL COMPONENTS LTD·Filed 2018·Granted Sep 24, 2019·4 cites·16 claims
- 2691US9651804B2Optical moduleFUJITSU OPTICAL COMPONENTS LTD·Filed 2015·Granted May 16, 2017·9 cites·3 claims
- 2791US9568801B2Optical modulatorFUJITSU OPTICAL COMPONENTS LTD·Filed 2015·Granted Feb 14, 2017·4 cites·4 claims
- 2891US8472759B2Optical device and optical transmitterSUGIYAMA MASAKI·Filed 2011·Granted Jun 25, 2013·8 cites·20 claims
- 2991US7801400B2Manufacturing method of optical device and optical deviceFUJITSU LTD·Filed 2009·Granted Sep 21, 2010·23 cites·17 claims
- 3090US12025866B2Optical device and optical communication apparatusFUJITSU OPTICAL COMPONENTS LTD·Filed 2022·Granted Jul 2, 2024·1 cites·11 claims
- 3190US9571203B2Optical modulator and optical transmitterFUJITSU OPTICAL COMPONENTS LTD·Filed 2016·Granted Feb 14, 2017·7 cites·14 claims
- 3290US8244075B2Optical deviceSUGIYAMA MASAKI·Filed 2010·Granted Aug 14, 2012·7 cites·20 claims
- 3390US8135242B2Optical modulatorSUGIYAMA MASAKI·Filed 2009·Granted Mar 13, 2012·13 cites·14 claims
- 3490US7826689B2Optical device which outputs independently modulated light beams in respective TE and TM polarization modesFUJITSU LTD·Filed 2008·Granted Nov 2, 2010·12 cites·20 claims
- 3590US7630587B2Optical waveguide deviceFUJITSU LTD·Filed 2008·Granted Dec 8, 2009·13 cites·14 claims
- 3689USRE46932EOptical modulator moduleFUJITSU OPTICAL COMPONENTS LTD·Filed 2016·Granted Jul 3, 2018·3 cites·21 claims
- 3789US8380017B2Optical waveguide deviceFUJITSU OPTICAL COMPONENTS LTD·Filed 2010·Granted Feb 19, 2013·11 cites·18 claims
- 3889US6584240B2Optical modulator having ridge and associated structure on substrateFUJITSU LTD·Filed 2001·Granted Jun 24, 2003·37 cites·43 claims
- 3988US10082628B2Optical device, tunable light source, and optical transmitterFUJITSU OPTICAL COMPONENTS LTD·Filed 2017·Granted Sep 25, 2018·5 cites·14 claims
- 4087US11892716B2Optical device and optical transceiver using the sameFUJITSU OPTICAL COMPONENTS LTD·Filed 2022·Granted Feb 6, 2024·1 cites·15 claims
- 4187US9954638B2Optical module and optical transmitter using the sameFUJITSU OPTICAL COMPONENTS LTD·Filed 2016·Granted Apr 24, 2018·6 cites·12 claims
- 4286US11719598B2Optical device for measuring power of test light and optical device testing methodFUJITSU OPTICAL COMPONENTS LTD·Filed 2020·Granted Aug 8, 2023·1 cites·10 claims
- 4386US8374467B2Optical device having a plurality of Mach-Zehnder modulatorsFUJITSU LTD·Filed 2010·Granted Feb 12, 2013·5 cites·21 claims
- 4486US7447389B2Optical modulatorFUJITSU LTD·Filed 2007·Granted Nov 4, 2008·9 cites·13 claims
- 4586US7155072B2Optical modulatorFUJITSU LTD·Filed 2005·Granted Dec 26, 2006·10 cites·25 claims
- 4685US12044909B2Optical device that includes optical modulator, and optical transceiverFUJITSU OPTICAL COMPONENTS LTD·Filed 2021·Granted Jul 23, 2024·1 cites·8 claims
- 4785US11914189B2Optical device and optical communication apparatusFUJITSU OPTICAL COMPONENTS LTD·Filed 2021·Granted Feb 27, 2024·1 cites·12 claims
- 4885US11719964B2Optical device and optical communication deviceFUJITSU OPTICAL COMPONENTS LTD·Filed 2021·Granted Aug 8, 2023·1 cites·6 claims
- 4985US10551642B2Tunable light source, optical module, and method for controlling tunable light sourceFUJITSU OPTICAL COMPONENTS LTD·Filed 2018·Granted Feb 4, 2020·2 cites·6 claims
- 5085US9081216B2Optical device having optical modulatorsFUJITSU OPTICAL COMPONENTS LTD·Filed 2013·Granted Jul 14, 2015·3 cites·4 claims
Showing the top 50 of 222 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →