Patents
US 12731607 B1: Actuator materials and designs for hard disk drives
- Granted
- 2026-09-08
- Filed
- 2025-06-17 application 19240295
- Type
- Utility · 20 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
An apparatus includes an E-block. The E-block includes a body portion and one or more arms extending from the body portion. At least one of (1) the body portion, or (2) at least one of the one or more arms, comprises a magnesium-lithium alloy material. In embodiments, the body portion and the one or more arms are integrally formed.
Source: PTBLXML, file of 2026-09-08 (ipgb20260908.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 2026-09-08 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Xiong Liu | Singapore, SG | 201 | PTBLXML, file of 2026-09-08 | |
| Barish Chakravarty | Singapore, SG | PTBLXML, file of 2026-09-08 | ||
| Li Hong Zhang | Singapore, SG | PTBLXML, file of 2026-09-08 | ||
| Than Zaw Myint | Singapore, SG | 8 | PTBLXML, file of 2026-09-08 | |
| YiChao Ma | Singapore, SG | 21 | PTBLXML, file of 2026-09-08 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| G11B | Information storage based on relative movement between record carrier and transducer | G11B5/484 | PTBLXML, file of 2026-09-08 |
Cooperative Patent Classification, as currently assigned (one row per subclass).
Assignments and security interests
| Recorded | What | From | To | Reel/frame | Source |
|---|---|---|---|---|---|
| 2025-07-07 | Assignment Assignment of assignor's interest | LIU, XIONG signed 2025-06-17 CHAKRAVARTY, BARISH signed 2025-06-17 ZHANG, LI HONG signed 2025-06-17 MYINT, THAN ZAW signed 2025-06-17 MA, YICHAO signed 2025-06-17 | SEAGATE TECHNOLOGY LLC FREMONT, CA | 71620/573 | PASDL, file of 2026-09-11 |
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.