Inventor
Ryo Hosoi
Inventor
Tokyo, JP
Overview
Patents· 22 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G11Bprimary
G11BInformation storage based on relative movement between record carrier and transducer59%
Y10TTechnical subjects covered by former us classification14%
G02BOptical elements, systems or apparatus8%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light8%
G01RMeasuring electric variables5%
B82YSpecific uses or applications of nanostructures3%
G06FElectric digital data processing3%
PatentTitleYear
11,127,424Thermally-assisted magnetic recording head having active layer with quantum dot structure202110,943,613Thermally assisted magnetic head, head gimbal assembly, hard disk drive and method of manufacturing the thermally assisted magnetic head202110,650,856Thermally-assisted magnetic recording head having optimal reflecting position inside waveguide202010,622,783Thermally-assisted magnetic recording head capable of preventing solder overflow during manufacturing202010,614,841Thermally assisted magnetic head, method for reducing reflected light, head gimbal assembly, and hard disk drive202010,566,013Semiconductor laser for thermally-assisted magnetic recording head202010,510,371Thermally-assisted magnetic recording head having sub-mount with barrier-members sandwich a heater201910,311,903Method and system of testing slider body of thermally-assisted magnetic head201910,152,992Light source unit and thermally-assisted magnetic head20189,640,206'Thermal assisted magnetic recording head with plasmon generator'20179,293,165'Thermally assisted magnetic recording head with magnetic circuit parallel to substrate'20168,964,514'Plasmon generator and thermally-assisted magnetic recording head having the same'20158,817,581'Thermally-assisted magnetic recording head using near-field light'20148,654,617'Thermally-assisted magnetic recording head with optically isolating waveguide, head gimbal assembly, head arm assembly, magnetic disk unit, and light transmission unit'20148,590,138'Method of manufacturing thermally-assisted magnetic recording head'20138,547,805'Thermally-assisted magnetic recording head having temperature sensor embedded on dielectric waveguide'20138,537,645'Near field light generating element, thermally assisted magnetic head, thermally assisted magnetic head device and thermally assisted magnetic recording/reproducing apparatus'20138,427,927'Thermally-assisted magnetic recording head, head gimbals assembly, head arm assembly, and magnetic disk unit'20138,393,074'Method of manufacturing thermally-assisted magnetic recording head and alignment apparatus'20138,384,405'Method for performing burn-in test'20138,363,515'Thermally-assisted magnetic recording head, head gimbals assembly, head arm assembly, and magnetic disk unit'20138,310,903'Thermally-assisted magnetic recording head, head gimbals assembly, head arm assembly, and magnetic disk device, and method of manufacturing thermally-assisted magnetic recording head'2012Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2012–2017Patents assigned to TDK CORP (13)· patent assignee history
2012–2021Patents assigned to SAE MAGNETICS HK LTD (12)· patent assignee history
2012–2015Patents assigned to HOSOI RYO (10)· patent assignee history
2012–2014Patents assigned to SHIMAZAWA KOJI (9)· patent assignee history
2012–2014Patents assigned to HARA SHINJI (8)· patent assignee history
2012–2017Based in Tokyo, JP· patent location history
2018–2021Based in Hong Kong, CN· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TDK CORP | 13 | 2012–2017 |
| SAE MAGNETICS HK LTD | 12 | 2012–2021 |
| HOSOI RYOself | 10 | 2012–2015 |
| SHIMAZAWA KOJI | 9 | 2012–2014 |
| HARA SHINJI | 8 | 2012–2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 13 | 2012–2017 |
| Hong Kong, CN | 8 | 2018–2021 |