Inventor · disambiguated record
Yohei Shirakawa
Also filed as: SHIRAKAWA YOHEI
34 granted patents·12 pending applications·34 citations·filing 2006–2025
94Inventor score
Top patents by PatentIndex Score
46 records- 0188US10992068B2Method for manufacturing solder with ground bar and coaxial cable arrayHITACHI METALS LTD·Filed 2020·Granted Apr 27, 2021·3 cites·12 claims
- 0284US7817094B2Antenna, and wireless module, wireless unit and wireless apparatus having the antennaHITACHI LTD·Filed 2008·Granted Oct 19, 2010·10 cites·2 claims
- 0381US10962607B2Method for testing multicore cable, method for manufacturing multicore cable assembly, and multicore cable test deviceHITACHI METALS LTD·Filed 2018·Granted Mar 30, 2021·2 cites·12 claims
- 0473US12298154B2Position detection devicePROTERIAL LTD·Filed 2023·Granted May 13, 2025·0 cites·14 claims
- 0573US11009560B2Method for testing multicore cable, method for manufacturing multicore cable assembly, and multicore cable test deviceHITACHI METALS LTD·Filed 2018·Granted May 18, 2021·1 cites·5 claims
- 0673US10895607B2Method for testing multicore cable, method for manufacturing multicore cable assembly, and multicore cable test deviceHITACHI METALS LTD·Filed 2018·Granted Jan 19, 2021·1 cites·6 claims
- 0770US12399036B2Position detection devicePROTERIAL LTD·Filed 2023·Granted Aug 26, 2025·0 cites·11 claims
- 0869US9887499B2Communication cable connector and communication cable with connectorHITACHI METALS LTD·Filed 2015·Granted Feb 6, 2018·3 cites·12 claims
- 0968US8700375B2Electromagnetic coupler, wireless terminal including same, and method for designing electromagnetic couplersSHIRAKAWA YOHEI·Filed 2011·Granted Apr 15, 2014·3 cites·12 claims
- 1067US7714787B2Antenna, and wireless module, wireless unit and wireless apparatus having the antennaHITACHI LTD·Filed 2006·Granted May 11, 2010·3 cites·5 claims
- 1165US9583894B2Cable signal detector and connectorized communication cableHITACHI METALS LTD·Filed 2015·Granted Feb 28, 2017·2 cites·19 claims
- 1263US8633783B2Electromagnetic coupler and communication apparatus using the sameSHIRAKAWA YOHEI·Filed 2010·Granted Jan 21, 2014·1 cites·20 claims
- 1362US12487103B2Position detection devicePROTERIAL LTD·Filed 2023·Granted Dec 2, 2025·0 cites·7 claims
- 1462US12434761B2Stroke sensorPROTERIAL LTD·Filed 2022·Granted Oct 7, 2025·0 cites·12 claims
- 1561US10270676B2Signal detecting deviceHITACHI METALS LTD·Filed 2016·Granted Apr 23, 2019·1 cites·16 claims
- 1660US12442870B2Coupling capacitance estimation method, method for identifying corresponding ends of multicore cable, and method for manufacturing multicore cable assemblyHITACHI METALS LTD·Filed 2022·Granted Oct 14, 2025·0 cites·5 claims
- 1760US2024343303A1Position detection devicePROTERIAL LTD·Filed 2024·Application pending·0 cites
- 1860US2024337513A1Position detection devicePROTERIAL LTD·Filed 2024·Application pending·0 cites
- 1956US8803629B2Electromagnetic coupler and information communication device including sameSHIRAKAWA YOHEI·Filed 2011·Granted Aug 12, 2014·1 cites·11 claims
- 2056US2025244119A1Position detection devicePROTERIAL LTD·Filed 2025·Application pending·0 cites
- 2156US2024361154A1Position detection devicePROTERIAL LTD·Filed 2024·Application pending·0 cites
- 2255US7602346B2Antenna module, radio device and mobile radio terminalHITACHI CABLE·Filed 2006·Granted Oct 13, 2009·2 cites·26 claims
- 2355US2024255316A1Position detection devicePROTERIAL LTD·Filed 2024·Application pending·0 cites
- 2455US2024359738A1Position detection devicePROTERIAL LTD·Filed 2024·Application pending·0 cites
- 2553US11630163B1Multi-core cable testing device and method for testing the multi-core cableHITACHI METALS LTD·Filed 2021·Granted Apr 18, 2023·0 cites·8 claims
- 2653US9608393B2Repeater with two connectors mounted on two opposite sides of a circuit boardHITACHI METALS LTD·Filed 2016·Granted Mar 28, 2017·1 cites·12 claims
- 2752US11815563B2Multicore cable inspection method and multicore cable inspection deviceHITACHI METALS LTD·Filed 2021·Granted Nov 14, 2023·0 cites·18 claims
- 2852US2024255540A1Position detection devicePROTERIAL LTD·Filed 2024·Application pending·0 cites
- 2950US2024094031A1Position detection device and vehicle steering devicePROTERIAL LTD·Filed 2023·Application pending·0 cites
- 3049US11570906B2Multi-core cable assembling method and multi-core cable assembly producing methodHITACHI METALS LTD·Filed 2021·Granted Jan 31, 2023·0 cites·5 claims
- 3145US9979555B2Communication monitoring deviceHITACHI METALS LTD·Filed 2016·Granted May 22, 2018·0 cites·7 claims
- 3245US9769039B2Communication visualization deviceHITACHI METALS LTD·Filed 2015·Granted Sep 19, 2017·0 cites·8 claims
- 3342US9729354B2Cable signal detectorHITACHI METALS LTD·Filed 2015·Granted Aug 8, 2017·0 cites·17 claims
- 3442US9692683B2Communication visualization systemHITACHI METALS LTD·Filed 2015·Granted Jun 27, 2017·0 cites·12 claims
- 3542US8803754B2Antenna and wireless device having sameSHIRAKAWA YOHEI·Filed 2011·Granted Aug 12, 2014·0 cites·20 claims
- 3640US9712372B2Cable signal detectorHITACHI METALS LTD·Filed 2015·Granted Jul 18, 2017·0 cites·19 claims
- 3739US9842482B2Signal detecting deviceHITACHI METALS LTD·Filed 2016·Granted Dec 12, 2017·0 cites·6 claims
- 3838US10149378B2Communication deviceHITACHI METALS LTD·Filed 2016·Granted Dec 4, 2018·0 cites·7 claims
- 3938US2016105340A1RepeaterHITACHI METALS LTD·Filed 2015·Application pending·0 cites
- 4038US2012249390A1Antenna and wireless device provided with sameSHIRAKAWA YOHEI·Filed 2012·Application pending·0 cites
- 4136US10075211B2Crosstalk reduction method and repeaterHITACHI METALS LTD·Filed 2015·Granted Sep 11, 2018·0 cites·20 claims
- 4236US9826631B2RepeaterHITACHI METALS LTD·Filed 2016·Granted Nov 21, 2017·0 cites·12 claims
- 4336US2016132416A1Communication monitoring systemHITACHI METALS LTD·Filed 2015·Application pending·0 cites
- 4435US8810332B2Electromagnetic coupler and information communication device with same mounted thereonSHIRAKAWA YOHEI·Filed 2011·Granted Aug 19, 2014·0 cites·17 claims
- 4535US2016104362A1Cable signal detectorHITACHI METALS LTD·Filed 2015·Application pending·0 cites
- 4634US8742866B2Electromagnetic coupler and information communication device including sameSHIRAKAWA YOHEI·Filed 2011·Granted Jun 3, 2014·0 cites·4 claims
Join the waitlist — get patent alerts
Get an alert when Yohei Shirakawa files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →