Inventor · disambiguated record
Takamitsu Kitamura
Also filed as: KITAMURA TAKAMITSU
24 granted patents·59 citations·filing 2011–2019
93Inventor score
Top patents by PatentIndex Score
24 records- 0195US9523871B2Semiconductor optical modulator and method for manufacturing semiconductor optical modulatorSUMITOMO ELECTRIC INDUSTRIES·Filed 2015·Granted Dec 20, 2016·10 cites·12 claims
- 0289US9638980B2Modulator and production method thereofSUMITOMO ELECTRIC INDUSTRIES·Filed 2015·Granted May 2, 2017·4 cites·7 claims
- 0388US9261649B2Method for manufacturing semiconductor optical waveguide device, and semiconductor optical waveguide deviceSUMITOMO ELECTRIC INDUSTRIES·Filed 2015·Granted Feb 16, 2016·7 cites·12 claims
- 0487US9280004B2Method for manufacturing semiconductor modulator and semiconductor modulatorSUMITOMO ELECTRIC INDUSTRIES·Filed 2014·Granted Mar 8, 2016·5 cites·13 claims
- 0584US9229293B2Semiconductor optical device and method for manufacturing semiconductor optical deviceSUMITOMO ELECTRIC INDUSTRIES·Filed 2014·Granted Jan 5, 2016·4 cites·16 claims
- 0682US9753350B2Mach-Zehnder modulator, method of making optical waveguide structureSUMITOMO ELECTRIC INDUSTRIES·Filed 2016·Granted Sep 5, 2017·2 cites·20 claims
- 0782US9563100B2Optical semiconductor device and method of producing the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 2015·Granted Feb 7, 2017·2 cites·10 claims
- 0881US10248000B2Semiconductor optical element and method for manufacturing the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 2018·Granted Apr 2, 2019·3 cites·9 claims
- 0981US8986560B2Method for producing optical semiconductor deviceSUMITOMO ELECTRIC INDUSTRIES·Filed 2013·Granted Mar 24, 2015·4 cites·14 claims
- 1076US9329451B2Method for producing optical semiconductor deviceSUMITOMO ELECTRIC INDUSTRIES·Filed 2015·Granted May 3, 2016·2 cites·17 claims
- 1176US9280030B2Method for producing semiconductor optical device and semiconductor optical deviceSUMITOMO ELECTRIC INDUSTRIES·Filed 2014·Granted Mar 8, 2016·2 cites·8 claims
- 1276US9158139B2Method for manufacturing mach-zehnder modulator, method for manufacturing optical waveguide, and optical waveguideSUMITOMO ELECTRIC INDUSTRIES·Filed 2014·Granted Oct 13, 2015·2 cites·8 claims
- 1374US9229168B2Semiconductor optical waveguide device and method for manufacturing the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 2014·Granted Jan 5, 2016·3 cites·8 claims
- 1474US8546813B2Semiconductor substrate and semiconductor deviceMAKABE ISAO·Filed 2011·Granted Oct 1, 2013·4 cites·24 claims
- 1568US9176360B2Method for producing spot-size convertorSUMITOMO ELECTRIC INDUSTRIES·Filed 2014·Granted Nov 3, 2015·1 cites·8 claims
- 1668US8986553B2Method for manufacturing optical semiconductor deviceSUMITOMO ELECTRIC INDUSTRIES·Filed 2013·Granted Mar 24, 2015·1 cites·13 claims
- 1765US8754419B2Semiconductor deviceNAKATA KEN·Filed 2011·Granted Jun 17, 2014·2 cites·17 claims
- 1861US9543182B2Electrostatic chuck and method of manufacturing semiconductor deviceFURUYA AKIRA·Filed 2011·Granted Jan 10, 2017·1 cites·13 claims
- 1960US10901290B2Method for fabricating Mach-Zehnder modulator, Mach-Zehnder modulatorSUMITOMO ELECTRIC INDUSTRIES·Filed 2019·Granted Jan 26, 2021·0 cites·6 claims
- 2047US10475669B2Method for fabricating Mach-Zehnder modulator, Mach-Zehnder modulatorSUMITOMO ELECTRIC INDUSTRIES·Filed 2018·Granted Nov 12, 2019·0 cites·11 claims
- 2146US10185204B2Mach-Zehnder modulator, method for fabricating Mach-Zehnder modulatorSUMITOMO ELECTRIC INDUSTRIES·Filed 2017·Granted Jan 22, 2019·0 cites·12 claims
- 2244US10823610B2Light receiving device, method for fabricating light receiving deviceSUMITOMO ELECTRIC INDUSTRIES·Filed 2018·Granted Nov 3, 2020·0 cites·4 claims
- 2342US8283240B2Method for fabricating semiconductor deviceYUI KEIICHI·Filed 2011·Granted Oct 9, 2012·0 cites·6 claims
- 2437US8987015B2Method for fabricating semiconductor deviceYUI KEIICHI·Filed 2011·Granted Mar 24, 2015·0 cites·9 claims
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