Magnetic recording device and magnetic recording method
US-9666216-B1 · May 30, 2017 · US
Selection of material for gap filler {(G11B5/232 takes precedence)}
Selection of material for gap filler {(G11B5/232 takes precedence)} · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G11B5/235 |
| Official title | Selection of material for gap filler {(G11B5/232 takes precedence)} |
| Display label | Selection of material for gap filler {(G11B5/232 takes precedence)} |
| Total patents | 297 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 33 |
| 2016 | 24 |
| 2017 | 29 |
| 2018 | 27 |
| 2019 | 16 |
| 2020 | 35 |
| 2021 | 27 |
| 2022 | 22 |
| 2023 | 22 |
| 2024 | 32 |
| 2025 | 26 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Magnetic head, disk drive with the same and method of manufacturing magnetic head
US-2017092304-A1 · Mar 30, 2017 · US
CoFe/Ni multilayer film with perpendicular anisotropy for microwave assisted magnetic recording
US-9558765-B2 · Jan 31, 2017 · US
Tunnel magnetoresistive sensor having conductive ceramic layers
US-9508367-B1 · Nov 29, 2016 · US
Perpendicular magnetic recording (PMR) writer with hybrid shield layers
US-9508364-B1 · Nov 29, 2016 · US
Spin torque oscillator with high spin torque efficiency and reliability
US-9437222-B1 · Sep 6, 2016 · US
Magnetic recording head and magnetic recording apparatus
US-9437218-B2 · Sep 6, 2016 · US
AF-mode STO with negative Hk spin polarization layer
US-9406315-B2 · Aug 2, 2016 · US
Dual-Side Spin Transfer Spin Torque Oscillator
US-2016218728-A1 · Jul 28, 2016 · US
Data storage device with phase lock spin-torque oscillation stabilization
US-9390734-B2 · Jul 12, 2016 · US
Process for making pmr writer with non-conformal side gaps
US-2016171992-A1 · Jun 16, 2016 · US
Microwave assisted magnetic recording head and magnetic recording device having the same
US-9355659-B2 · May 31, 2016 · US
Magnetic capping layer structure for a spin torque oscillator
US-9355655-B1 · May 31, 2016 · US
Spin torque oscillator for microwave assisted magnetic recording with increased damping
US-9355654-B1 · May 31, 2016 · US
CoFe/Ni multilayer film with perpendicular anisotropy for microwave assisted magnetic recording
US-9349396-B2 · May 24, 2016 · US
Data writer with flux density insert
US-9343085-B2 · May 17, 2016 · US
Method of forming a writer with an AFM write gap
US-9336799-B2 · May 10, 2016 · US
Extended spin torque oscillator
US-9336797-B2 · May 10, 2016 · US
Negative-polarization spin-torque-oscillator
US-9305574-B1 · Apr 5, 2016 · US
Negative-poralization spin-torque-oscillator
US-2016086623-A1 · Mar 24, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G11B5/235?
- CPC G11B5/235 is the Cooperative Patent Classification code for “Selection of material for gap filler {(G11B5/232 takes precedence)}.”
- How many patents are filed under CPC G11B5/235 (Selection of material for gap filler {(G11B5/232 takes precedence)})?
- Our database includes 297 publications tagged with this CPC code.
- Is patent activity under CPC G11B5/235 growing?
- Publication counts under this code: 32 in 2024 vs 26 in 2025 (latest complete years).