Method Of Ultra-Fine Critical Dimension Patterning For Magnetic Head Devices
US-2025226003-A1 · Jul 10, 2025 · US
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Ding Ruhang patents
Ding Ruhang is listed as an inventor on 14 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Ding Ruhang |
| Total patents | 14 |
| First publication | Feb 4, 2016 |
| Latest publication | Jul 10, 2025 |
Notable patents
Publications ranked by popularity score, then publication date.
System for controlling a critical dimension (CD) uniformity of a magnetic head device
US-12254908-B2 · Mar 18, 2025 · US
Method Of Ultra-Fine Critical Dimension Patterning For Magnetic Head Devices
US-2023343362-A1 · Oct 26, 2023 · US
Composite Hard Masks For Ultra-Thin Magnetic Sensors
US-2023258747-A1 · Aug 17, 2023 · US
Method of ultra-fine critical dimension patterning for magnetic head devices
US-11715491-B2 · Aug 1, 2023 · US
Method Of Ultra-Fine Critical Dimension Patterning For Magnetic Head Devices
US-2023005500-A1 · Jan 5, 2023 · US
Composite seed layer
US-10354707-B2 · Jul 16, 2019 · US
Magnetic reader sensor with shield spacing improvement and better pin flip robustness
US-10157634-B2 · Dec 18, 2018 · US
Magnetic Reader Sensor with Shield Spacing Improvement and Better Pin Flip Robustness
US-2018130487-A1 · May 10, 2018 · US
Magnetic reader sensor with shield spacing improvement and better pin flop robustness
US-9799357-B1 · Oct 24, 2017 · US
Recent patents
Latest publications not already listed above.
Novel Composite Seed Layer
US-2017301855-A1 · Oct 19, 2017 · US
Reader designs of shield to shield spacing improvement
US-9437225-B2 · Sep 6, 2016 · US
Reader sensor structure and its method of construction
US-9337414-B2 · May 10, 2016 · US
Reader Designs of Shield to Shield Spacing Improvement
US-2016035378-A1 · Feb 4, 2016 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Headway Tech Inc | 12 |
| Headway Technologies Inc | 2 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| G11B5/3163 | 7 |
| G11B5/3912 | 6 |
| G11B5/484 | 5 |
| G11B5/398 | 4 |
| G11B5/3909 | 3 |