Hoan Cong Ho

This inventor holds 11 USPTO granted patents and 2 published patent applications. Top assignees: Western Digital Technologies, Inc., Wd Media, LLC. Active years: 2016-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hoan Cong Ho. Retrieved from https://idiyas.com/inventor/hoan-cong-ho

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 11 (Patent Applications = 2)

% Patents Active = 100.0

Average Co-Inventor Count = 3.6

ph-index = 4

Forward Citations = 44(Granted Patents)

Company Filing History:

9 out of 5,427

Western Digital Technologies, Inc.

Years Active: 2016-2025

Loading Chart...

11 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12412598 - Media underlayer structure for heat-assisted magnetic recording and media fabrication methods therefor (2025-09-09),

2. 12308056 - Magnetic recording medium with magnesium-titanium oxide (MTO) layer formed using pulsed direct current sputter deposition (2025-05-20),

3. 12272392 - Media structure with selected segregants configured to improve heat-assisted magnetic recording (2025-04-08),

4. 11900978 - Magnetic recording medium with underlayer configured to reduce diffusion of titanium into a magnetic recording layer (2024-02-13),

5. 11869556 - Heat-assisted magnetic recording (HAMR) medium with optical-coupling multilayer between the recording layer and heat-sink layer (2024-01-09),

6. 11521648 - Heat-assisted magnetic recording (HAMR) medium with multilayered underlayer for the recording layer (2022-12-06),

7. 11437064 - Heat-assisted magnetic recording (HAMR) medium with optical-coupling multilayer between the recording layer and heat-sink layer (2022-09-06),

8. 10276199 - High thermal gradient heatsink for heat assisted magnetic recording media (2019-04-30),

9. 9886977 - Dual cap layers for heat-assisted magnetic recording media (2018-02-06),

10. 9824710 - Heat-assisted magnetic recording (HAMR) medium with thermal barrier layer in multilayered heat-sink structure (2017-11-21),

11. 9406329 - HAMR media structure with intermediate layer underlying a magnetic recording layer having multiple sublayers (2016-08-02),

Title: Hoan Cong Ho: Innovator in Heat-Assisted Magnetic Recording Technologies

Introduction

Hoan Cong Ho is a prominent inventor based in San Jose, California, known for his significant contributions to the field of heat-assisted magnetic recording (HAMR) technologies. With a total of 11 patents to his name, Hoan has made remarkable advancements that enhance data storage capabilities.

Latest Patents

Among his latest patents, Hoan has developed a media underlayer structure for heat-assisted magnetic recording. This invention includes a HAMR medium featuring a seed-thermal barrier structure positioned between a heat sink layer and a magnetic recording layer. The structure consists of multiple layers, including a first layer of MgO-TiO (MTO) and a second layer of TiN, among others. Another notable patent involves a magnetic recording medium with an MTO layer formed using pulsed direct current sputter deposition. This innovation allows for smaller grain sizes in the magnetic recording layer, leading to higher areal densities.

Career Highlights

Hoan has worked with notable companies such as Western Digital Technologies, Inc. and WD Media, LLC. His experience in these organizations has allowed him to apply his innovative ideas in practical settings, contributing to the advancement of storage technologies.

Collaborations

Hoan has collaborated with esteemed colleagues, including Paul Christopher Dorsey and Tomoko Seki, further enhancing the impact of his work in the field.

Conclusion

Hoan Cong Ho's contributions to heat-assisted magnetic recording technologies have positioned him as a key figure in the industry. His innovative patents and collaborations reflect his commitment to advancing data storage solutions.

Profile summary based on public USPTO records.

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

2 patents pending: