Magnetic disk and substrate for magnetic disk
US-12573424-B2 · Mar 10, 2026 · US
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Sakamoto Ryo patents
Sakamoto Ryo is listed as an inventor on 52 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Sakamoto Ryo |
| Total patents | 52 |
| First publication | Feb 3, 2015 |
| Latest publication | Mar 10, 2026 |
Notable patents
Publications ranked by popularity score, then publication date.
Magnetic disk substrate and magnetic disk using magnetic disk substrate
US-12555602-B2 · Feb 17, 2026 · US
Magnetic disk and substrate for magnetic disk
US-2025218460-A1 · Jul 3, 2025 · US
Information processing apparatus, information processing method, and storage medium
US-2025173872-A1 · May 29, 2025 · US
Aluminum alloy substrate for magnetic disc and magnetic disc
US-12243570-B2 · Mar 4, 2025 · US
Method for producing aluminum alloy raw material, method for producing aluminum alloy ingot, method for producing aluminum alloy plate, method for producing aluminum alloy substrate for plating, method for producing aluminum alloy substrate for magnetic disk, method for producing magnetic disk, and magnetic disk
US-2024417837-A1 · Dec 19, 2024 · US
Battery module
US-2024304893-A1 · Sep 12, 2024 · US
Aluminum alloy disc blank for magnetic disc and magnetic disc
US-12087342-B2 · Sep 10, 2024 · US
Thin substrate built-in hard disk drive and base plate member for thin substrate built-in hard disk drive
US-12033665-B2 · Jul 9, 2024 · US
Medical image processing apparatus, medical image processing method, and recording medium
US-2024203037-A1 · Jun 20, 2024 · US
Recent patents
Latest publications not already listed above.
Thin substrate built-in hard disk drive and base plate member for thin substrate built-in hard disk drive
US-2024119967-A1 · Apr 11, 2024 · US
Aluminum alloy disc blank for magnetic disc and magnetic disc
US-2024018633-A1 · Jan 18, 2024 · US
Aluminum alloy substrate for magnetic disc and magnetic disc
US-2024021213-A1 · Jan 18, 2024 · US
Aluminum alloy disc blank for magnetic disc and magnetic disc
US-2023335161-A1 · Oct 19, 2023 · US
Medical image processing apparatus and method
US-2023267613-A1 · Aug 24, 2023 · US
Aluminum alloy substrate for magnetic disks, method for producing same, and magnetic disk using said aluminum alloy substrate for magnetic disks
US-11721361-B2 · Aug 8, 2023 · US
Magnetic disk substrate and magnetic disk using magnetic disk substrate
US-2023238027-A1 · Jul 27, 2023 · US
Medical image processing apparatus and method
US-11676277-B2 · Jun 13, 2023 · US
Aluminum alloy substrate for magnetic disk, and magnetic disk using same
US-2023120845-A1 · Apr 20, 2023 · US
Aluminum alloy substrate for magnetic disks, and magnetic disk using said aluminum alloy substrate for magnetic disks
US-2023111915-A1 · Apr 13, 2023 · US
Fuse device and battery module
US-2023100503-A1 · Mar 30, 2023 · US
Battery module
US-2023102106-A1 · Mar 30, 2023 · US
Electrolyte solution
US-2023049879-A1 · Feb 16, 2023 · US
Aluminum alloy substrate for magnetic disk and method for manufacturing same, aluminum alloy base disk for magnetic disk and method for manufacturing same, and magnetic disk and method for manufacturing the same
US-11482251-B2 · Oct 25, 2022 · US
Aluminum alloy sheet for magnetic disk and production method therefor, and magnetic disk using said aluminum alloy sheet for magnetic disk
US-11361791-B2 · Jun 14, 2022 · US
Aluminum alloy sheet for magnetic disk and production method therefor, and magnetic disk using said aluminum alloy sheet for magnetic disk
US-11341995-B2 · May 24, 2022 · US
Magnetic disk substrate, method for manufacturing same and magnetic disk
US-11270730-B2 · Mar 8, 2022 · US
Medical image processing apparatus and method
US-2022036557-A1 · Feb 3, 2022 · US
Magnetic disc, aluminum alloy substrate for magnetic disc, and production method for aluminum alloy substrate
US-11211088-B2 · Dec 28, 2021 · US
Aluminum alloy substrate for magnetic disk and method for manufacturing same, aluminum alloy base disk for magnetic disk and method for manufacturing same, and magnetic disk and method for manufacturing same
US-2021358520-A1 · Nov 18, 2021 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Uacj Corp | 31 |
| Furukawa Electric Co Ltd | 31 |
| Canon Kk | 13 |
| Envision Aesc Japan Ltd | 3 |
| Nissan Motor | 2 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| G11B5/73919 | 28 |
| C22C21/00 | 27 |
| C22F1/04 | 24 |
| C22F1/00 | 23 |
| G11B5/82 | 19 |