Method for manufacturing magnetic disk, magnetic disk, and magnetic disk precursor
US-12537025-B2 · Jan 27, 2026 · US
comprising only the magnetic material without bonding agent
comprising only the magnetic material without bonding agent · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G11B5/64 |
| Official title | comprising only the magnetic material without bonding agent |
| Display label | comprising only the magnetic material without bonding agent |
| Total patents | 50 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 9 |
| 2016 | 7 |
| 2017 | 7 |
| 2018 | 7 |
| 2019 | 5 |
| 2020 | 3 |
| 2021 | 2 |
| 2022 | 2 |
| 2023 | 3 |
| 2024 | 3 |
| 2025 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Magnetic recording medium having controlled change in average width and cartridge
US-12198743-B2 · Jan 14, 2025 · US
Magnetic recording head and manufacturing method thereof, magnetic recording apparatus, and manufacturing method of magnetic recording medium
US-12087334-B2 · Sep 10, 2024 · US
Magnetic recording medium and cartridge
US-2024161778-A1 · May 16, 2024 · US
Method for manufacturing magnetic disk, magnetic disk, and magnetic disk precursor
US-2024062779-A1 · Feb 22, 2024 · US
Spin torque assisted magnetic recording media
US-11769526-B1 · Sep 26, 2023 · US
Magnetic recording medium
US-2023282232-A1 · Sep 7, 2023 · US
Magnetic recording head and manufacturing method thereof, magnetic recording apparatus, and manufacturing method of magnetic recording medium
US-2023230614-A1 · Jul 20, 2023 · US
Magnetic recording medium having controlled dimensional variation
US-11302355-B2 · Apr 12, 2022 · US
Film-forming apparatus and method for manufacturing magnetic recording medium
US-11232813-B2 · Jan 25, 2022 · US
Magnetic recording medium
US-2021151075-A1 · May 20, 2021 · US
Magnetic recording medium having a dimensional variation and cartridge
US-10978104-B2 · Apr 13, 2021 · US
Magnetic recording medium and cartridge
US-2020357434-A1 · Nov 12, 2020 · US
Ferrimagnetic particle powder and method of manufacturing ferrimagnetic particle powder, as well as magnetic recording medium and method of manufacturing magnetic recording medium
US-10783914-B2 · Sep 22, 2020 · US
Rhodium film with thin template layer and its application to a thermally assisted magnetic recording (TAMR) writer
US-10586560-B1 · Mar 10, 2020 · US
Magnetic tape and magnetic recording and reproducing device
US-2019295581-A1 · Sep 26, 2019 · US
Magnetic recording medium
US-10424329-B2 · Sep 24, 2019 · US
Assisted magnetic recording medium including a pinning layer and magnetic storage device
US-10360936-B2 · Jul 23, 2019 · US
Thermal barrier layers and seed layers for control of thermal and structural properties of HAMR media
US-10236026-B1 · Mar 19, 2019 · US
Sputtering target for magnetic recording medium, and magnetic thin film
US-2019040517-A1 · Feb 7, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G11B5/64?
- CPC G11B5/64 is the Cooperative Patent Classification code for “comprising only the magnetic material without bonding agent.”
- How many patents are filed under CPC G11B5/64 (comprising only the magnetic material without bonding agent)?
- Our database includes 50 publications tagged with this CPC code.
- Is patent activity under CPC G11B5/64 growing?
- Publication counts under this code: 3 in 2024 vs 1 in 2025 (latest complete years).