Inventor · disambiguated record
Masahiro Hasegawa
Also filed as: HASEGAWA MASAHIRO
113 granted patents·40 pending applications·705 citations·filing 1977–2025
99Inventor score
Files withSHARP KK70SHARP DISPLAY TECHNOLOGY CORP17HASEGAWA MASAHIRO16FURUKAWA ELECTRIC CO LTD12AICHI ELECTRIC CO LTD6
Top patents by PatentIndex Score
153 records- 0199US10146093B2Mirror displaySHARP KK·Filed 2016·Granted Dec 4, 2018·41 cites·4 claims
- 0294US12149138B2Electrical insulator assembly, stator and motorAICHI ELECTRIC CO LTD·Filed 2022·Granted Nov 19, 2024·3 cites·10 claims
- 0394US9684204B2Mirror display, half mirror plate, and electronic deviceSHARP KK·Filed 2014·Granted Jun 20, 2017·14 cites·20 claims
- 0493US12088164B2Motor stator having electrical insulators with overlapping partsAICHI ELECTRIC CO LTD·Filed 2022·Granted Sep 10, 2024·3 cites·16 claims
- 0593US4115874AHelmet for use in riding vehiclesHASEGAWA MASAHIRO·Filed 1977·Granted Sep 26, 1978·97 cites·3 claims
- 0687US11550187B2Liquid crystal display deviceSHARP DISPLAY TECHNOLOGY CORP·Filed 2022·Granted Jan 10, 2023·1 cites·6 claims
- 0787US4978191AConnector deviceFURUKAWA ELECTRIC CO LTD·Filed 1990·Granted Dec 18, 1990·63 cites·20 claims
- 0886US9016535B2Fiber cleaverHASEGAWA MASAHIRO·Filed 2011·Granted Apr 28, 2015·9 cites·5 claims
- 0985US8422136B2Electronic element wafer module; electronic element module; sensor wafer module; sensor module; lens array plate; manufacturing method for the sensor module; and electronic information deviceHASEGAWA MASAHIRO·Filed 2008·Granted Apr 16, 2013·7 cites·58 claims
- 1085US6481296B2Sensor for detecting relative rotation between shaftsFURUKAWA ELECTRIC CO LTD·Filed 2001·Granted Nov 19, 2002·25 cites·3 claims
- 1184US10236459B2Display device and method for producing sameSHARP KK·Filed 2016·Granted Mar 19, 2019·3 cites·11 claims
- 1284US10234727B2Mirror display comprising a half mirror plate including a reflective polarizer and a polarization conversion layerSHARP KK·Filed 2015·Granted Mar 19, 2019·2 cites·10 claims
- 1384US5310356ATransmission device used between two relatively rotatable componentsFURUKAWA ELECTRIC CO LTD·Filed 1993·Granted May 10, 1994·59 cites·19 claims
- 1479US9004781B2Method for reinforcing a splice part and reinforcing structureHOMMA TOSHIHIKO·Filed 2010·Granted Apr 14, 2015·7 cites·12 claims
- 1579US8482926B2Optical element wafer module, optical element module, method for manufacturing optical element module, electronic element wafer module, method for manufacturing electronic element module, electronic element module and electronic information deviceYANO YUJI·Filed 2009·Granted Jul 9, 2013·8 cites·21 claims
- 1679US7412145B2Optical fiber connecting toolSUMITOMO ELECTRIC INDUSTRIES·Filed 2003·Granted Aug 12, 2008·28 cites·14 claims
- 1778US8385860B2Power detector and wireless deviceTOSHIBA KK·Filed 2011·Granted Feb 26, 2013·5 cites·20 claims
- 1877US11982896B2Liquid crystal display device and polarizing plateSHARP KK·Filed 2023·Granted May 14, 2024·0 cites·20 claims
- 1977US10203122B2Air-conditioning and ventilation apparatusMITSUBISHI ELECTRIC CORP·Filed 2014·Granted Feb 12, 2019·5 cites·7 claims
- 2076US11320573B2Display device, method for producing display device, and apparatus for producing display deviceSHARP KK·Filed 2018·Granted May 3, 2022·1 cites·12 claims
- 2176US8960428B2Optical fiber cutter storage caseHASEGAWA MASAHIRO·Filed 2011·Granted Feb 24, 2015·4 cites·6 claims
- 2275US10175519B2Mirror display having touch panelSHARP KK·Filed 2015·Granted Jan 8, 2019·1 cites·6 claims
- 2375US6860159B2Rotation sensorFURUKAWA ELECTRIC CO LTD·Filed 2001·Granted Mar 1, 2005·17 cites·13 claims
- 2475US2025253732A1Motor and compressorAICHI ELECTRIC CO LTD·Filed 2025·Application pending·0 cites
- 2575US2025253733A1Motor and compressorAICHI ELECTRIC CO LTD·Filed 2025·Application pending·0 cites
- 2674US12181699B2Display device having a multilayered optical stack in combination with a display panel and a touch panelSHARP KK·Filed 2022·Granted Dec 31, 2024·0 cites·15 claims
- 2773US10989954B2Liquid crystal display deviceSHARP KK·Filed 2019·Granted Apr 27, 2021·0 cites·5 claims
- 2873US10437106B2Liquid crystal display panel wherein a thickness direction retardation of at least one of a first, second, third, and fourth phase difference plate has a negative valueSHARP KK·Filed 2016·Granted Oct 8, 2019·1 cites·24 claims
- 2972US9229166B2Optical fiber cutter, and optical fiber cutter unitHASEGAWA MASAHIRO·Filed 2012·Granted Jan 5, 2016·4 cites·3 claims
- 3072US9075196B2Optical fiber jacket removerHOMMA TOSHIHIKO·Filed 2010·Granted Jul 7, 2015·6 cites·6 claims
- 3170US11604379B2Liquid crystal display device and polarizing plateSHARP KK·Filed 2021·Granted Mar 14, 2023·0 cites·26 claims
- 3270US6285232B1Driver circuit and output stabilizing method thereforNEC CORP·Filed 2000·Granted Sep 4, 2001·15 cites·14 claims
- 3369US12174482B2Display deviceSHARP DISPLAY TECHNOLOGY CORP·Filed 2023·Granted Dec 24, 2024·0 cites·18 claims
- 3469US11927775B23D glasses, optical device, and three-dimensional image display deviceSHARP DISPLAY TECHNOLOGY CORP·Filed 2023·Granted Mar 12, 2024·0 cites·8 claims
- 3569US11435509B2Optical stack including multiple optical layers, display device including the optical stack disposed on a panel, and method for producing optical stackSHARP KK·Filed 2019·Granted Sep 6, 2022·0 cites·8 claims
- 3669US11327357B2Liquid crystal display deviceSHARP KK·Filed 2021·Granted May 10, 2022·0 cites·6 claims
- 3769US8619205B2Three-dimensional video recognition system, video display device and active shutter glassesSAKAI AKIRA·Filed 2010·Granted Dec 31, 2013·2 cites·11 claims
- 3868US10795197B2Liquid crystal panelSHARP KK·Filed 2019·Granted Oct 6, 2020·0 cites·3 claims
- 3967US11927850B2Liquid crystal display deviceSHARP DISPLAY TECHNOLOGY CORP·Filed 2023·Granted Mar 12, 2024·0 cites·8 claims
- 4066US6725734B1Rotation sensorFURUKAWA ELECTRIC CO LTD·Filed 2002·Granted Apr 27, 2004·15 cites·5 claims
- 4166US5409389ATransmission apparatus between rotatable body and fixed bodyFURUKAWA ELECTRIC CO LTD·Filed 1992·Granted Apr 25, 1995·26 cites·9 claims
- 4265US10054818B2Mirror plate and mirror displaySHARP KK·Filed 2015·Granted Aug 21, 2018·1 cites·12 claims
- 4365US9395492B2Optical fiber cutterHASEGAWA MASAHIRO·Filed 2012·Granted Jul 19, 2016·4 cites·11 claims
- 4465US2025383562A1Liquid crystal display deviceSHARP DISPLAY TECHNOLOGY CORP·Filed 2025·Application pending·0 cites
- 4564US11822181B1Liquid crystal display device comprising a prism sheet and having a light diffusion property curve obtained by plotting a luminance in a white display stateSHARP DISPLAY TECHNOLOGY CORP·Filed 2023·Granted Nov 21, 2023·0 cites·5 claims
- 4664USD702530SMetal hinge support for an optical fiber cutterHASEGAWA MASAHIRO·Filed 2011·Granted Apr 15, 2014·13 cites·1 claims
- 4764US7548289B2LCD device with film member attached to polarizing element and satisfies a predetermined contast ratio to be equal or greater than 0.025 for all azimuth angelsFUTURE VISION INC·Filed 2006·Granted Jun 16, 2009·2 cites·28 claims
- 4863US7999893B2Complex birefringent medium, polarizing plate, and liquid crystal deviceSHARP KK·Filed 2007·Granted Aug 16, 2011·3 cites·39 claims
- 4962US8283894B2Voltage measuring apparatus for assembled batteryMATSUURA KIMIHIRO·Filed 2010·Granted Oct 9, 2012·2 cites·10 claims
- 5062US8058737B2Electronic element wafer module and method for manufacturing electronic element wafer module, electronic element module and method for manufacturing electronic element module, and electronic information deviceHASEGAWA MASAHIRO·Filed 2009·Granted Nov 15, 2011·3 cites·52 claims
Showing the top 50 of 153 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →