Inventor · disambiguated record
Ryo Hosoi
Also filed as: HOSOI RYO
27 granted patents·1 pending application·109 citations·filing 2011–2022
95Inventor score
Top patents by PatentIndex Score
28 records- 0192US8393074B1Method of manufacturing thermally-assisted magnetic recording head and alignment apparatusTAKAYAMA SEIICHI·Filed 2011·Granted Mar 12, 2013·29 cites·15 claims
- 0291US10943613B1Thermally assisted magnetic head, head gimbal assembly, hard disk drive and method of manufacturing the thermally assisted magnetic headSAE MAGNETICS HK LTD·Filed 2020·Granted Mar 9, 2021·6 cites·17 claims
- 0390US8310903B1Thermally-assisted magnetic recording head, head gimbals assembly, head arm assembly, and magnetic disk device, and method of manufacturing thermally-assisted magnetic recording headTAKAYAMA SEIICHI·Filed 2011·Granted Nov 13, 2012·13 cites·19 claims
- 0488US9640206B1Thermal assisted magnetic recording head with plasmon generatorTDK CORP·Filed 2016·Granted May 2, 2017·10 cites·12 claims
- 0588US8547805B1Thermally-assisted magnetic recording head having temperature sensor embedded on dielectric waveguideKOMURA EIJI·Filed 2012·Granted Oct 1, 2013·10 cites·10 claims
- 0686US11127424B1Thermally-assisted magnetic recording head having active layer with quantum dot structureSAE MAGNETICS HK LTD·Filed 2020·Granted Sep 21, 2021·1 cites·19 claims
- 0781US8590138B2Method of manufacturing thermally-assisted magnetic recording headHARA SHINJI·Filed 2012·Granted Nov 26, 2013·5 cites·8 claims
- 0881US8427927B1Thermally-assisted magnetic recording head, head gimbals assembly, head arm assembly, and magnetic disk unitCHOU TSUTOMU·Filed 2012·Granted Apr 23, 2013·5 cites·14 claims
- 0980US10566013B1Semiconductor laser for thermally-assisted magnetic recording headSAE MAGNETICS HK LTD·Filed 2019·Granted Feb 18, 2020·5 cites·9 claims
- 1078US10614841B1Thermally assisted magnetic head, method for reducing reflected light, head gimbal assembly, and hard disk driveSAE MAGNETICS HK LTD·Filed 2018·Granted Apr 7, 2020·4 cites·8 claims
- 1178US8964514B2Plasmon generator and thermally-assisted magnetic recording head having the sameHIRATA KEI·Filed 2012·Granted Feb 24, 2015·4 cites·14 claims
- 1275US8384405B2Method for performing burn-in testTDK CORP·Filed 2011·Granted Feb 26, 2013·3 cites·10 claims
- 1375US8363515B1Thermally-assisted magnetic recording head, head gimbals assembly, head arm assembly, and magnetic disk unitTDK CORP·Filed 2012·Granted Jan 29, 2013·3 cites·14 claims
- 1474US10622783B1Thermally-assisted magnetic recording head capable of preventing solder overflow during manufacturingSAE MAGNETICS HK LTD·Filed 2019·Granted Apr 14, 2020·3 cites·15 claims
- 1571US10152992B1Light source unit and thermally-assisted magnetic headSAE MAGNETICS HK LTD·Filed 2018·Granted Dec 11, 2018·2 cites·20 claims
- 1669US8817581B1Thermally-assisted magnetic recording head using near-field lightTDK CORP·Filed 2013·Granted Aug 26, 2014·2 cites·14 claims
- 1766US8537645B1Near field light generating element, thermally assisted magnetic head, thermally assisted magnetic head device and thermally assisted magnetic recording/reproducing apparatusCHOU TSUTOMU·Filed 2012·Granted Sep 17, 2013·1 cites·14 claims
- 1865US8654617B2Thermally-assisted magnetic recording head with optically isolating waveguide, head gimbal assembly, head arm assembly, magnetic disk unit, and light transmission unitKOMURA EIJI·Filed 2012·Granted Feb 18, 2014·1 cites·14 claims
- 1964US11817678B2Semiconductor laser and laser radar device having the semiconductor laserSAE MAGNETICS HK LTD·Filed 2021·Granted Nov 14, 2023·0 cites·16 claims
- 2064US10650856B1Thermally-assisted magnetic recording head having optimal reflecting position inside waveguideSAE MAGNETICS HK LTD·Filed 2019·Granted May 12, 2020·1 cites·11 claims
- 2156US10311903B2Method and system of testing slider body of thermally-assisted magnetic headSAE MAGNETICS HK LTD·Filed 2017·Granted Jun 4, 2019·1 cites·14 claims
- 2253US11887638B1Laser diode, thermally assisted magnetic head, head gimbal assembly, hard disk drive and method of manufacturing a head gimbal assemblySAE MAGNETICS HK LTD·Filed 2022·Granted Jan 30, 2024·0 cites·17 claims
- 2349US10510371B1Thermally-assisted magnetic recording head having sub-mount with barrier-members sandwich a heaterSAE MAGNETICS HK LTD·Filed 2019·Granted Dec 17, 2019·0 cites·13 claims
- 2449US9293165B2Thermally assisted magnetic recording head with magnetic circuit parallel to substrateTDK CORP·Filed 2014·Granted Mar 22, 2016·0 cites·13 claims
- 2545US11763842B1Method of manufacturing head gimbal assembly, head gimbal assembly and hard disk driveSAE MAGNETICS HK LTD·Filed 2022·Granted Sep 19, 2023·0 cites·8 claims
- 2643US11626133B1Method of manufacturing head gimbal assembly, head gimbal assembly and hard disk driveSAE MAGNETICS HK LTD·Filed 2022·Granted Apr 11, 2023·0 cites·8 claims
- 2742US11749302B1Method of manufacturing head gimbal assembly, head gimbal assembly and hard disk driveSAE MAGNETICS HK LTD·Filed 2022·Granted Sep 5, 2023·0 cites·6 claims
- 2839US2013139378A1Method of manufacturing thermally-assisted magnetic recording head and alignment apparatusHARA SHINJI·Filed 2011·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Ryo Hosoi 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 →