Patents
US 12711987 B1: Magnetic recording head having a sensor stack disposed along a stripe-height direction
- Granted
- 2026-08-18
- Filed
- 2025-02-14 application 19053936
- Type
- Utility · 20 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
A magnetic recording head having a reader that includes a sensor stack with a free layer and a reference layer disposed above the free layer in the stripe-height direction. A method includes applying a current through the sensor stack while the magnetic recording head is positioned adjacent to a data track of a magnetic storage medium that is rotating, detecting a change in resistance in the sensor stack in response to a magnetic field of the magnetic storage medium; and processing the change in resistance in the sensor stack into data.
Source: PTBLXML, file of 2026-08-18 (ipgb20260818.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| Seagate Technology LLC 4,936 patents | US company or organization | Fremont, CA | PTBLXML, file of 2026-08-18 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Victor B. Sapozhnikov | Minnetonka, MN | PTBLXML, file of 2026-08-18 | ||
| Mohammed Shariat Ullah Patwari | Edina, MN | 31 | PTBLXML, file of 2026-08-18 | |
| Taras Grigorievich Pokhil | Arden Hills, MN | 14 | PTBLXML, file of 2026-08-18 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| G11B | Information storage based on relative movement between record carrier and transducer | G11B5/6082 | PTBLXML, file of 2026-08-18 |
Cooperative Patent Classification, as currently assigned (one row per subclass).
Assignments and security interests
| Recorded | What | From | To | Reel/frame | Source |
|---|---|---|---|---|---|
| 2025-02-14 | Assignment Assignment of assignor's interest | SAPOZHNIKOV, VICTOR B. signed 2025-02-14 PATWARI, MOHAMMED SHARIAT ULLAH signed 2025-02-14 POKHIL, TARAS GRIGORIEVICH signed 2025-02-14 | SEAGATE TECHNOLOGY LLC FREMONT, CA | 70225/997 | PASDL, file of 2026-10-15 |
Documents recorded with the USPTO Assignment Recordation Branch that list this patent. A security interest is a lender’s claim on the patent as collateral; a release ends it.
USPTO bulk data: PatentsView granted patents, disambiguated (PVGPATDIS) for patents, assignees, inventors, places and CPC categories; the USPTO Patent Assignment Dataset (ECORSEXC) for assignments and security interests. Patents filed in the last 20 years. No claims or full text. Links to other records are by name (and state): EXACT means the identical full name and state; FUZZY means a looser name match, with the confidence shown.