Inventor · disambiguated record
Tokutaka Hara
Also filed as: HARA TOKUTAKA
19 granted patents·4 pending applications·71 citations·filing 2001–2019
92Inventor score
Top patents by PatentIndex Score
23 records- 0191US7359581B2Optical waveguide modulator with output light monitorSUMITOMO OSAKA CEMENT CO LTD·Filed 2006·Granted Apr 15, 2008·13 cites·8 claims
- 0282US9366937B2Optical pulse-generatorSUMITOMO OSAKA CEMENT CO LTD·Filed 2013·Granted Jun 14, 2016·4 cites·18 claims
- 0380US7532778B2Optical waveguide modulator equipped with an output light monitorSUMITOMO OSAKA CEMENT CO LTD·Filed 2006·Granted May 12, 2009·8 cites·10 claims
- 0479US9864216B2Optical modulatorSUMITOMO OSAKA CEMENT CO LTD·Filed 2017·Granted Jan 9, 2018·1 cites·4 claims
- 0579US7200289B2Optical waveguide modulator with output light monitorSUMITOMO OSAKA CEMENT CO LTD·Filed 2001·Granted Apr 3, 2007·16 cites·7 claims
- 0677US9703169B2Optical modulatorSUMITOMO OSAKA CEMENT CO LTD·Filed 2014·Granted Jul 11, 2017·3 cites·14 claims
- 0777US7310453B2Optical modulatorSUMITOMO OSAKA CEMENT CO LTD·Filed 2003·Granted Dec 18, 2007·18 cites·17 claims
- 0876US9570879B2Optical pulse-generator and optical pulse-generating methodSUMITOMO OSAKA CEMENT CO LTD·Filed 2013·Granted Feb 14, 2017·3 cites·14 claims
- 0973US9817293B2Optical modulatorSUMITOMO OSAKA CEMENT CO LTD·Filed 2015·Granted Nov 14, 2017·1 cites·12 claims
- 1072US11204507B2Positioning member having cutout portion and polarization beam combining module using positioning memberSUMITOMO OSAKA CEMENT CO LTD·Filed 2019·Granted Dec 21, 2021·1 cites·6 claims
- 1154US7760775B2Apparatus and method of generating laser beamSUMITOMO OSAKA CEMENT CO LTD·Filed 2006·Granted Jul 20, 2010·1 cites·6 claims
- 1253US7936803B2External cavity semiconductor laserSUMITOMO OSAKA CEMENT CO LTD·Filed 2006·Granted May 3, 2011·1 cites·2 claims
- 1350US11022763B2Optical moduleSUMITOMO OSAKA CEMENT CO LTD·Filed 2019·Granted Jun 1, 2021·0 cites·2 claims
- 1450US10126505B2Optical element moduleSUMITOMO OSAKA CEMENT CO LTD·Filed 2018·Granted Nov 13, 2018·0 cites·1 claims
- 1546US9618713B2Optical elementSUMITOMO OSAKA CEMENT CO LTD·Filed 2014·Granted Apr 11, 2017·0 cites·6 claims
- 1645US11163118B2Optical modulation deviceSUMITOMO OSAKA CEMENT CO LTD·Filed 2019·Granted Nov 2, 2021·0 cites·18 claims
- 1745US10409136B2Optical modulatorSUMITOMO OSAKA CEMENT CO LTD·Filed 2016·Granted Sep 10, 2019·0 cites·5 claims
- 1845US8437068B2Optical modulatorMAIE TAKUJI·Filed 2012·Granted May 7, 2013·1 cites·5 claims
- 1944US2016011377A1Optical deviceSUMITOMO OSAKA CEMENT CO LTD·Filed 2014·Application pending·0 cites
- 2041US10001602B2Polarization-combining moduleSUMITOMO OSAKA CEMENT CO LTD·Filed 2016·Granted Jun 19, 2018·0 cites·3 claims
- 2138US2019004249A1Optical modulation deviceSUMITOMO OSAKA CEMENT CO LTD·Filed 2016·Application pending·0 cites
- 2238US2009040508A1Light Monitoring Method and Light Monitoring ApparatusSUMITOMO OSAKA CEMENT CO LTD·Filed 2006·Application pending·0 cites
- 2334US2004033021A1Wavelength stabilized module, stable wavelength laser beam generating device and optical communication systemFiled 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →