Inventor · disambiguated record
Naoki Itabashi
Also filed as: ITABASHI NAOKI
19 granted patents·4 pending applications·27 citations·filing 2012–2024
89Inventor score
Files withSUMITOMO ELECTRIC INDUSTRIES23
Top patents by PatentIndex Score
23 records- 0190US10608599B2Variable gain circuit and transimpedance amplifier using the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 2018·Granted Mar 31, 2020·10 cites·12 claims
- 0287US11595010B2Optical receiver and transimpedance amplifier circuitSUMITOMO ELECTRIC INDUSTRIES·Filed 2020·Granted Feb 28, 2023·2 cites·6 claims
- 0386US9046703B2Optical modulator module and semiconductor optical modulatorSUMITOMO ELECTRIC INDUSTRIES·Filed 2014·Granted Jun 2, 2015·9 cites·13 claims
- 0484US11362629B2Transimpedance amplifier circuitSUMITOMO ELECTRIC INDUSTRIES·Filed 2020·Granted Jun 14, 2022·2 cites·9 claims
- 0568US12327979B2Optical semiconductor moduleSUMITOMO ELECTRIC INDUSTRIES·Filed 2021·Granted Jun 10, 2025·0 cites·12 claims
- 0668US2024267125A1Optical transmission moduleSUMITOMO ELECTRIC INDUSTRIES·Filed 2024·Application pending·0 cites
- 0766US2023387651A1Optical module and manufacturing method of optical moduleSUMITOMO ELECTRIC INDUSTRIES·Filed 2023·Application pending·0 cites
- 0865US9698023B2Traveling-wave amplifierSUMITOMO ELECTRIC INDUSTRIES·Filed 2015·Granted Jul 4, 2017·1 cites·10 claims
- 0963US8957709B2Driver circuit powered by two power supplies sequentially activatedSUMITOMO ELECTRIC INDUSTRIES·Filed 2014·Granted Feb 17, 2015·1 cites·18 claims
- 1061US12322925B2Optical semiconductor moduleSUMITOMO ELECTRIC INDUSTRIES·Filed 2021·Granted Jun 3, 2025·0 cites·4 claims
- 1160US11799267B2Optical module and manufacturing method of the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 2022·Granted Oct 24, 2023·0 cites·10 claims
- 1259US9608581B2Differential amplifierSUMITOMO ELECTRIC INDUSTRIES·Filed 2016·Granted Mar 28, 2017·1 cites·13 claims
- 1358US2022085568A1Light semiconductor deviceSUMITOMO ELECTRIC INDUSTRIES·Filed 2021·Application pending·0 cites
- 1457US2023077958A1Optical transmission moduleSUMITOMO ELECTRIC INDUSTRIES·Filed 2022·Application pending·0 cites
- 1553US9030257B2Differential circuit compensated with self-heating effect of active deviceSUMITOMO ELECTRIC INDUSTRIES·Filed 2012·Granted May 12, 2015·1 cites·6 claims
- 1648US11437962B2Differential amplifier circuit having variable gainSUMITOMO ELECTRIC INDUSTRIES·Filed 2020·Granted Sep 6, 2022·0 cites·11 claims
- 1748US10574027B2Laser driver circuit and optical transmitter using the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 2019·Granted Feb 25, 2020·0 cites·8 claims
- 1845US9419574B2Amplifier circuitSUMITOMO ELECTRIC INDUSTRIES·Filed 2014·Granted Aug 16, 2016·0 cites·6 claims
- 1939US9246440B2Differential amplifierSUMITOMO ELECTRIC INDUSTRIES·Filed 2013·Granted Jan 26, 2016·0 cites·6 claims
- 2038US10644653B2Amplifier and optical transmitter using the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 2017·Granted May 5, 2020·0 cites·7 claims
- 2137US10396719B2Integrated circuit deviceSUMITOMO ELECTRIC INDUSTRIES·Filed 2018·Granted Aug 27, 2019·0 cites·5 claims
- 2235US10263583B2Variable gain amplifierSUMITOMO ELECTRIC INDUSTRIES·Filed 2018·Granted Apr 16, 2019·0 cites·10 claims
- 2334US9825602B2AmplifierSUMITOMO ELECTRIC INDUSTRIES·Filed 2016·Granted Nov 21, 2017·0 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →