Inventor · disambiguated record
Taizo Tatsumi
Also filed as: TATSUMI TAIZO
29 granted patents·5 pending applications·69 citations·filing 2011–2023
94Inventor score
Top patents by PatentIndex Score
34 records- 0189US9954622B2Trans-impedance amplifier and optical receiver including the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 2016·Granted Apr 24, 2018·8 cites·8 claims
- 0288US9369100B2Traveling wave amplifier providing cascade units each including a dynamic cascade transistor whose collector output is fed back to its base inputSUMITOMO ELECTRIC INDUSTRIES·Filed 2014·Granted Jun 14, 2016·13 cites·20 claims
- 0386US9046703B2Optical modulator module and semiconductor optical modulatorSUMITOMO ELECTRIC INDUSTRIES·Filed 2014·Granted Jun 2, 2015·9 cites·13 claims
- 0483US9584222B2Driving circuit for driving non-linear optical modulator by signal having plural logic levelsSUMITOMO ELECTRIC INDUSTRIES·Filed 2015·Granted Feb 28, 2017·5 cites·9 claims
- 0583US9116367B2Driver for electro-absorption modulatorSUMITOMO ELECTRIC INDUSTRIES·Filed 2014·Granted Aug 25, 2015·3 cites·12 claims
- 0682US9641136B2Travelling wave amplifier (TWA) for driving optical modulatorSUMITOMO ELECTRIC INDUSTRIES·Filed 2015·Granted May 2, 2017·5 cites·9 claims
- 0779US8729452B2Variable gain amplifier compensating frequency response thereofTATSUMI TAIZO·Filed 2012·Granted May 20, 2014·9 cites·14 claims
- 0872US8907722B2Traveling wave amplifier with suppressed jitterSUMITOMO ELECTRIC INDUSTRIES·Filed 2013·Granted Dec 9, 2014·4 cites·13 claims
- 0968US10958355B2Optical receiver circuitSUMITOMO ELECTRIC INDUSTRIES·Filed 2019·Granted Mar 23, 2021·1 cites·9 claims
- 1068US9590576B2Differential amplifierSUMITOMO ELECTRIC INDUSTRIES·Filed 2015·Granted Mar 7, 2017·2 cites·10 claims
- 1168US9500886B2Optical modulator driverSUMITOMO ELECTRIC INDUSTRIES·Filed 2015·Granted Nov 22, 2016·2 cites·3 claims
- 1265US9698023B2Traveling-wave amplifierSUMITOMO ELECTRIC INDUSTRIES·Filed 2015·Granted Jul 4, 2017·1 cites·10 claims
- 1363US9182617B2Driver circuit configured with travelling wave amplifierSUMITOMO ELECTRIC INDUSTRIES·Filed 2013·Granted Nov 10, 2015·2 cites·13 claims
- 1461US8731412B2Common base circuit with output compensation, current-to-voltage circuit configured with common base amplifier, and optical receiver implemented with the sameITO MAKOTO·Filed 2011·Granted May 20, 2014·2 cites·12 claims
- 1559US9608581B2Differential amplifierSUMITOMO ELECTRIC INDUSTRIES·Filed 2016·Granted Mar 28, 2017·1 cites·13 claims
- 1657US8816772B2Differential amplifier with function of variable gain and optical receiver implemented with the sameSUGIMOTO YOSHIYUKI·Filed 2011·Granted Aug 26, 2014·2 cites·6 claims
- 1757US2024120396A1Semiconductor deviceSUMITOMO ELECTRIC INDUSTRIES·Filed 2023·Application pending·0 cites
- 1856US11869867B2Semiconductor deviceSUMITOMO ELECTRIC INDUSTRIES·Filed 2021·Granted Jan 9, 2024·0 cites·14 claims
- 1955US2025096137A1Semiconductor deviceSUMITOMO ELECTRIC INDUSTRIES·Filed 2022·Application pending·0 cites
- 2054US10241378B2Optical modulation deviceSUMITOMO ELECTRIC INDUSTRIES·Filed 2017·Granted Mar 26, 2019·0 cites·15 claims
- 2153US12341475B2Semiconductor deviceSUMITOMO ELECTRIC INDUSTRIES·Filed 2022·Granted Jun 24, 2025·0 cites·4 claims
- 2253US2023042301A1Semiconductor deviceSUMITOMO ELECTRIC INDUSTRIES·Filed 2022·Application pending·0 cites
- 2349US11126017B2Driving circuit for optical deviceSUMITOMO ELECTRIC INDUSTRIES·Filed 2020·Granted Sep 21, 2021·0 cites·14 claims
- 2448US2019094647A1Optical modulation apparatusSUMITOMO ELECTRIC INDUSTRIES·Filed 2018·Application pending·0 cites
- 2544US10405424B2Driver circuit for optical transmitterSUMITOMO ELECTRIC INDUSTRIES·Filed 2017·Granted Sep 3, 2019·0 cites·16 claims
- 2644US2020241331A1Driving circuit for optical modulatorSUMITOMO ELECTRIC INDUSTRIES·Filed 2020·Application pending·0 cites
- 2743US11489240B2High-frequency switch circuit and front-end circuit including sameSUMITOMO ELECTRIC INDUSTRIES·Filed 2021·Granted Nov 1, 2022·0 cites·10 claims
- 2843US9276567B2Detection circuit for detecting signal amplitudeSUMITOMO ELECTRIC INDUSTRIES·Filed 2014·Granted Mar 1, 2016·0 cites·7 claims
- 2941US10642076B2Drive circuitSUMITOMO ELECTRIC INDUSTRIES·Filed 2018·Granted May 5, 2020·0 cites·5 claims
- 3039US9246440B2Differential amplifierSUMITOMO ELECTRIC INDUSTRIES·Filed 2013·Granted Jan 26, 2016·0 cites·6 claims
- 3137US10396719B2Integrated circuit deviceSUMITOMO ELECTRIC INDUSTRIES·Filed 2018·Granted Aug 27, 2019·0 cites·5 claims
- 3237US10345627B2Driving circuit for optical modulatorSUMITOMO ELECTRIC INDUSTRIES·Filed 2018·Granted Jul 9, 2019·0 cites·10 claims
- 3336US10511274B2Driver circuitSUMITOMO ELECTRIC INDUSTRIES·Filed 2018·Granted Dec 17, 2019·0 cites·8 claims
- 3435US9825709B2Traveling wave amplifier for driving optical modulatorSUMITOMO ELECTRIC INDUSTRIES·Filed 2016·Granted Nov 21, 2017·0 cites·8 claims
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