Magnetic tape having controlled surface properties of the magnetic layer
US-10522171-B2 · Dec 31, 2019 · US
characterised by the surface treatment or coating of magnetic particles
characterised by the surface treatment or coating of magnetic particles · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G11B5/712 |
| Official title | characterised by the surface treatment or coating of magnetic particles |
| Display label | characterised by the surface treatment or coating of magnetic particles |
| Total patents | 176 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 4 |
| 2017 | 13 |
| 2018 | 18 |
| 2019 | 34 |
| 2020 | 31 |
| 2021 | 29 |
| 2022 | 26 |
| 2023 | 12 |
| 2024 | 3 |
| 2025 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Magnetic tape including characterized magnetic layer
US-10497388-B2 · Dec 3, 2019 · US
Magnetic recording medium
US-2019362753-A1 · Nov 28, 2019 · US
Magnetic tape having characterized magnetic layer
US-10438625-B2 · Oct 8, 2019 · US
Magnetic recording medium, manufacturing method of particles of epsilon type iron oxide-based compound, and manufacturing method of magnetic recording medium
US-2019304496-A1 · Oct 3, 2019 · US
Magnetic tape and magnetic recording and reproducing device
US-2019304499-A1 · Oct 3, 2019 · US
Magnetic tape having characterized magnetic layer
US-10431250-B2 · Oct 1, 2019 · US
Magnetic tape and magnetic recording and reproducing device
US-2019295587-A1 · Sep 26, 2019 · US
Magnetic tape and magnetic recording and reproducing device
US-2019295581-A1 · Sep 26, 2019 · US
Magnetic recording medium
US-2019295584-A1 · Sep 26, 2019 · US
Magnetic tape having characterized back coating layer
US-10424330-B2 · Sep 24, 2019 · US
Magnetic tape device and head tracking servo method
US-10395685-B2 · Aug 27, 2019 · US
Head positioning of timing-based servo system for magnetic tape recording device
US-10366721-B2 · Jul 30, 2019 · US
Magnetic recording medium and magnetic recording and reproducing device
US-2019103133-A1 · Apr 4, 2019 · US
Magnetic recording medium and magnetic recording and reproducing device
US-2019103134-A1 · Apr 4, 2019 · US
Two dimensional amorphous carbon as overcoat for heat assisted magnetic recording media
US-2019080713-A1 · Mar 14, 2019 · US
Magnetic recording medium having a protective layer
US-10210892-B2 · Feb 19, 2019 · US
Magnetic recording medium
US-2019027178-A1 · Jan 24, 2019 · US
Magnetic recording medium
US-2019027179-A1 · Jan 24, 2019 · US
Magnetic tape and magnetic tape device
US-2019027172-A1 · Jan 24, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G11B5/712?
- CPC G11B5/712 is the Cooperative Patent Classification code for “characterised by the surface treatment or coating of magnetic particles.”
- How many patents are filed under CPC G11B5/712 (characterised by the surface treatment or coating of magnetic particles)?
- Our database includes 176 publications tagged with this CPC code.
- Is patent activity under CPC G11B5/712 growing?
- Publication counts under this code: 3 in 2024 vs 3 in 2025 (latest complete years).