Multilayer structures for magnetic recording devices to facilitate targeted magnetic switching and low coercivity
US-12417782-B2 · Sep 16, 2025 · US
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Song Suping patents
Song Suping is listed as an inventor on 96 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Song Suping |
| Total patents | 96 |
| First publication | Jan 6, 2015 |
| Latest publication | Sep 16, 2025 |
Notable patents
Publications ranked by popularity score, then publication date.
Current distal to media facing surface
US-12148452-B1 · Nov 19, 2024 · US
Current Distal to Media Facing Surface
US-2024379119-A1 · Nov 14, 2024 · US
Multilayer Structures For Magnetic Recording Devices To Facilitate Targeted Magnetic Switching and Low Coercivity
US-2024282333-A1 · Aug 22, 2024 · US
Multilayer structures for magnetic recording devices to facilitate targeted magnetic switching and low coercivity
US-11990163-B2 · May 21, 2024 · US
Leading shield for magnetic recording heads
US-11881235-B2 · Jan 23, 2024 · US
Multilayer Structures For Magnetic Recording Devices To Facilitate Targeted Magnetic Switching and Low Coercivity
US-2024005951-A1 · Jan 4, 2024 · US
Magnetic recording devices using virtual side shields for improved areal density capability
US-11854581-B2 · Dec 26, 2023 · US
Magnetic recording devices using virtual side shields for improved areal density capability
US-11749299-B2 · Sep 5, 2023 · US
Leading Shield For Magnetic Recording Heads
US-2023267953-A1 · Aug 24, 2023 · US
Recent patents
Latest publications not already listed above.
Areal density capability improvement with a main pole skin
US-11682418-B2 · Jun 20, 2023 · US
Magnetic head with assisted magnetic recording comprising an electrically conductive, non-magnetic material
US-11657835-B2 · May 23, 2023 · US
Magnetic head with assisted magnetic recording
US-11615806-B2 · Mar 28, 2023 · US
Write heads having conducting side gap for directing current
US-11557314-B1 · Jan 17, 2023 · US
Energy assisted magnetic recording head having improved areal density capability
US-11557315-B2 · Jan 17, 2023 · US
Areal density capability improvement with a main pole skin
US-2022358957-A1 · Nov 10, 2022 · US
Magnetic Recording Devices Using Virtual Side Shields for Improved Areal Density Capability
US-2022343944-A1 · Oct 27, 2022 · US
Areal density capability improvement with a main pole skin
US-11437058-B2 · Sep 6, 2022 · US
Magnetic head with assisted magnetic recording and method of making thereof
US-2022238135-A1 · Jul 28, 2022 · US
Magnetic head with assisted magnetic recording and method of making thereof
US-2022208220-A1 · Jun 30, 2022 · US
Magnetic head with assisted magnetic recording
US-11373675-B2 · Jun 28, 2022 · US
Energy Assisted Magnetic Recording Head Having Improved Areal Density Capability
US-2022108715-A1 · Apr 7, 2022 · US
Magnetic recording head with non-magnetic conductive structure
US-11276422-B2 · Mar 15, 2022 · US
Area density capacity improvement with negative anisotropic magnetic material trailing shield notch
US-11264052-B1 · Mar 1, 2022 · US
Energy assisted magnetic recording head having improved areal density capability
US-11227627-B1 · Jan 18, 2022 · US
Spin-orbit torque induced magnetization switching in a magnetic recording head
US-11205446-B1 · Dec 21, 2021 · US
Spin orbital torque based microwave assisted magnetic recording with dual spin hall layers or wrap around spin hall layer
US-11170804-B2 · Nov 9, 2021 · US
Areal Density Capability Improvement With A Main Pole Skin
US-2021280208-A1 · Sep 9, 2021 · US
Magnetic recording head soft error rate improvement with compact main pole
US-11087783-B1 · Aug 10, 2021 · US
Magnetic Recording Head With Non-Magnetic Conductive Structure
US-2021233559-A1 · Jul 29, 2021 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Western Digital Tech Inc | 78 |
| HGST Netherlands BV | 15 |
| Sandisk Technologies Llc | 5 |
| Headway Technologies Inc | 2 |
| SanDiskTechnologies LLC | 1 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| G11B5/1278 | 77 |
| G11B2005/0024 | 57 |
| G11B5/315 | 55 |
| G11B5/3116 | 44 |
| G11B5/3146 | 37 |