Inventor · disambiguated record
Taku Hirasawa
Also filed as: HIRASAWA TAKU
51 granted patents·13 pending applications·342 citations·filing 2002–2025
98Inventor score
Files withPANASONIC IP MAN CO LTD47MATSUSHITA ELECTRIC INDUSTRIAL CO LTD8PANASONIC CORP8HIRASAWA TAKU1
Top patents by PatentIndex Score
64 records- 0196US10877215B2Optical scanning device that includes waveguidesPANASONIC IP MAN CO LTD·Filed 2018·Granted Dec 29, 2020·9 cites·25 claims
- 0295US10133144B2Optical scanning device including waveguide arrayPANASONIC IP MAN CO LTD·Filed 2018·Granted Nov 20, 2018·10 cites·16 claims
- 0395US9515239B2Light-emitting device and light-emitting apparatusPANASONIC IP MAN CO LTD·Filed 2015·Granted Dec 6, 2016·15 cites·7 claims
- 0495US7083270B2Piezoelectric element, ink jet head, angular velocity sensor, method for manufacturing the same, and ink jet recording apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Aug 1, 2006·51 cites·17 claims
- 0594USRE50041ELight-emitting apparatusPANASONIC IP MAN CO LTD·Filed 2021·Granted Jul 16, 2024·2 cites·17 claims
- 0694US11126059B2Optical devicePANASONIC IP MAN CO LTD·Filed 2020·Granted Sep 21, 2021·3 cites·17 claims
- 0794US10422990B2Optical scanning device that includes mirrors and optical waveguide regionPANASONIC IP MAN CO LTD·Filed 2018·Granted Sep 24, 2019·11 cites·20 claims
- 0894US9618697B2Light directional angle control for light-emitting device and light-emitting apparatusPANASONIC IP MAN CO LTD·Filed 2015·Granted Apr 11, 2017·16 cites·16 claims
- 0993US11256156B2Optical scanning device that includes waveguidesPANASONIC IP MAN CO LTD·Filed 2018·Granted Feb 22, 2022·5 cites·33 claims
- 1093US9518215B2Light-emitting device and light-emitting apparatusPANASONIC IP MAN CO LTD·Filed 2015·Granted Dec 13, 2016·8 cites·20 claims
- 1193US7185540B2Piezoelectric element, ink jet head, angular velocity sensor, method for manufacturing the same, and ink jet recording apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2006·Granted Mar 6, 2007·26 cites·2 claims
- 1292US9890912B2Light-emitting apparatus including photoluminescent layerPANASONIC IP MAN CO LTD·Filed 2016·Granted Feb 13, 2018·7 cites·18 claims
- 1392US7986343B2Multi-eye imaging apparatusPANASONIC CORP·Filed 2005·Granted Jul 26, 2011·22 cites·6 claims
- 1491US12013491B2Optical device and photodetection systemPANASONIC IP MAN CO LTD·Filed 2020·Granted Jun 18, 2024·2 cites·20 claims
- 1590US10209509B1Optical scanning device that includes mirrors and optical waveguide regionPANASONIC IP MAN CO LTD·Filed 2018·Granted Feb 19, 2019·6 cites·29 claims
- 1690US9880336B2Light-emitting device including photoluminescent layerPANASONIC IP MAN CO LTD·Filed 2016·Granted Jan 30, 2018·7 cites·25 claims
- 1790US9203054B2Optical sheet and light emitting apparatusPANASONIC IP MAN CO LTD·Filed 2014·Granted Dec 1, 2015·8 cites·17 claims
- 1889US7718940B2Compound-eye imaging apparatusPANASONIC CORP·Filed 2006·Granted May 18, 2010·14 cites·16 claims
- 1989US7518287B2Actuator fine motion mechanism including the actuator, and camera module including the fine motion mechanismPANASONIC CORP·Filed 2005·Granted Apr 14, 2009·20 cites·23 claims
- 2089US6969157B2Piezoelectric element, ink jet head, angular velocity sensor, method for manufacturing the same, and ink jet recording apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Nov 29, 2005·29 cites·15 claims
- 2187US7478558B2Piezoelectric element, ink jet head, angular velocity sensor, method for manufacturing the same, and ink jet recording apparatusPANASONIC CORP·Filed 2006·Granted Jan 20, 2009·8 cites·8 claims
- 2286US10012780B2Light-emitting device including photoluminescent layerPANASONIC IP MAN CO LTD·Filed 2016·Granted Jul 3, 2018·5 cites·33 claims
- 2384US12339400B2Optical device and photodetection systemPANASONIC IP MAN CO LTD·Filed 2024·Granted Jun 24, 2025·0 cites·13 claims
- 2484US10094522B2Light-emitting device having photoluminescent layerPANASONIC IP MAN CO LTD·Filed 2017·Granted Oct 9, 2018·4 cites·22 claims
- 2584US7999873B2Imaging device with plural lenses and imaging regionsPANASONIC CORP·Filed 2006·Granted Aug 16, 2011·9 cites·17 claims
- 2683US10488498B2Optical scanning system including optical scanning device and photoreceiver devicePANASONIC IP MAN CO LTD·Filed 2018·Granted Nov 26, 2019·4 cites·27 claims
- 2782USRE49093ELight-emitting apparatus including photoluminescent layerPANASONIC IP MAN CO LTD·Filed 2021·Granted Jun 7, 2022·1 cites·51 claims
- 2882US2025291036A1Optical device and photodetection systemPANASONIC IP MAN CO LTD·Filed 2025·Application pending·0 cites
- 2981US11256043B2Optical device and photodetection systemPANASONIC IP MAN CO LTD·Filed 2020·Granted Feb 22, 2022·1 cites·30 claims
- 3081US10775506B2Imaging systemPANASONIC IP MAN CO LTD·Filed 2017·Granted Sep 15, 2020·3 cites·19 claims
- 3180US11435571B2Optical scanning device with dual spacing non-waveguide regions and dual intermediate regions adjacent a waveguidePANASONIC IP MAN CO LTD·Filed 2020·Granted Sep 6, 2022·1 cites·28 claims
- 3279US10359155B2Light-emitting apparatusPANASONIC IP MAN CO LTD·Filed 2016·Granted Jul 23, 2019·3 cites·12 claims
- 3378US7033001B2Piezoelectric element, ink jet head, angular velocity sensor, manufacturing method thereof, and ink jet type recording apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Apr 25, 2006·16 cites·8 claims
- 3477US9214649B2Light-emitting devicePANASONIC IP MAN CO LTD·Filed 2014·Granted Dec 15, 2015·3 cites·12 claims
- 3576US10182702B2Light-emitting apparatus including photoluminescent layerPANASONIC IP MAN CO LTD·Filed 2016·Granted Jan 22, 2019·2 cites·31 claims
- 3675US10031276B2Display apparatus including photoluminescent layerPANASONIC IP MAN CO LTD·Filed 2016·Granted Jul 24, 2018·2 cites·16 claims
- 3772US11835840B2Optical scanning device that includes waveguidesPANASONIC IP MAN CO LTD·Filed 2022·Granted Dec 5, 2023·0 cites·21 claims
- 3870US10649073B2Optical scanning system including optical scanning device and photoreceiver devicePANASONIC IP MAN CO LTD·Filed 2019·Granted May 12, 2020·1 cites·22 claims
- 3968US10458623B2Optical device comprising light reflection filmPANASONIC CORP·Filed 2018·Granted Oct 29, 2019·1 cites·17 claims
- 4067US11644540B2Optical scanning device, photoreceiver device, and photodetection systemPANASONIC IP MAN CO LTD·Filed 2019·Granted May 9, 2023·1 cites·28 claims
- 4167US9882100B2Light-emitting device having surface structure for limiting directional angle of lightPANASONIC IP MAN CO LTD·Filed 2016·Granted Jan 30, 2018·1 cites·18 claims
- 4267US8022600B2Piezoelectric power generating mechanism with spring materialPANASONIC CORP·Filed 2007·Granted Sep 20, 2011·5 cites·7 claims
- 4363US11652185B2Optical device, photoelectric conversion apparatus, and fuel production apparatusPANASONIC IP MAN CO LTD·Filed 2019·Granted May 16, 2023·0 cites·31 claims
- 4463US11619858B2Optical device and optical detection systemPANASONIC IP MAN CO LTD·Filed 2021·Granted Apr 4, 2023·0 cites·20 claims
- 4563US2021033787A1Optical scanning device that includes waveguidesPANASONIC IP MAN CO LTD·Filed 2020·Application pending·0 cites
- 4653US2021165081A1Optical device and photodetection systemPANASONIC IP MAN CO LTD·Filed 2021·Application pending·0 cites
- 4752US12219300B2Method for processing image data, image data processing apparatus, and image data processing systemPANASONIC IP MAN CO LTD·Filed 2021·Granted Feb 4, 2025·0 cites·24 claims
- 4850US2016322607A1Light-emitting devicePANASONIC IP MAN CO LTD·Filed 2014·Application pending·0 cites
- 4949US9461276B2Organic electroluminescence device and method of fabricating the samePANASONIC CORP·Filed 2013·Granted Oct 4, 2016·0 cites·11 claims
- 5048US2020393547A1Optical device and photodetection systemPANASONIC IP MAN CO LTD·Filed 2020·Application pending·0 cites
Showing the top 50 of 64 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →