Quan-chiu Harry Lam

USPTO Granted Patents = 22 (Patent Applications = 2)

Average Co-Inventor Count = 1.9

ph-index = 6

Forward Citations = 202(Granted Patents)

Company Filing History:

9 out of 2,636

Hitachi Global Storage Technologies Netherlands B.v.

patents

5 out of 987

Hgst Netherlands, B.v.

patents

5 out of 5,310

Western Digital Technologies, Inc.

patents

4. 3 out of 164,108

International Business Machines Corporation

patents

Years Active: 2004-2024

where 'Filed Patents' based on already Granted Patents

22 patents (USPTO):Sort by Forward Citations

Abstract keywords

1. 12148454 - Magnetic recording head with stable magnetization of shields (2024-11-19),

2. 11894028 - Magnetic recording head with trailing shield having multiple throat-heights (2024-02-06),

3. 11682417 - Asymmetric write head shields compatible with dual-free-layer (DFL) readers (2023-06-20),

4. 11676627 - Magnetic recording head with stable magnetization of shields (2023-06-13),

5. 11657837 - Magnetic recording head with trailing shield having multiple throat-heights (2023-05-23),

6. 9412398 - Shield with uniform magnetic properties for a perpendicular magnetic recording head (2016-08-09),

7. 9183853 - Magnetic write head having a stacked coil architecture for high data rate performance (2015-11-10),

8. 9099116 - Stiff discrete insert array for thermal PTR management with desired induced stress state that reduces tendency for write pole erasure (2015-08-04),

9. 9099110 - Real time writer shields magnetization optimization for FTI improvement (2015-08-04),

10. 8780499 - Magnetic write head having a residual shield seed layer for reducing overwriting (2014-07-15),

11. 8331058 - Method and apparatus for providing a write head with an improved pole tip to improve overwrite and/or adjacent track interference (2012-12-11),

12. 8120874 - Perpendicular write head having a modified wrap-around shield to improve overwrite, adjacent track interference and magnetic core width dependence on skew angle (2012-02-21),

13. 8068311 - Perpendicular magnetic write head having a novel trailing return pole for reduced wide-area-track-erasure (2011-11-29),

14. 7990652 - Perpendicular magnetic write head with stepped write pole for reduced MCW dependency on skew angle (2011-08-02),

15. 7446966 - Method for precompensation/write-current latching to improve error rate (2008-11-04),

Title: Innovations and Contributions of Quan-chiu Harry Lam in Magnetic Recording Technologies

Introduction

Quan-chiu Harry Lam, based in San Jose, CA, is a noted inventor and innovator with a remarkable portfolio comprising 22 patents. His work primarily focuses on advancements in magnetic recording technologies, enhancing data storage devices' efficiency and performance.

Latest Patents

Among his latest inventions are pivotal patents related to magnetic recording heads. One such patent describes a magnetic recording head with stable magnetization of shields. This design features a main pole, leading shield, and multiple side shields, aimed at improving return-flux control. The innovative structure includes ferromagnetic layers separated by non-magnetic spacer layers, optimizing the magnetic circuits and flux management.

Another significant contribution is his patent on a magnetic recording head equipped with a trailing shield that has multiple throat heights. This design variation in throat heights across the trailing shield enhances the writing capability and performance of data storage devices, demonstrating the impact of engineered magnetic heads on data accuracy and retrieval efficiency.

Career Highlights

Throughout his career, Quan-chiu Harry Lam has been associated with leading firms in the technology sector, including Hitachi Global Storage Technologies and HGST Netherlands. His work has significantly influenced data storage technology, integrating advanced engineering principles to push the boundaries of magnetic recording.

Collaborations

In his journey, Lam has collaborated with notable professionals such as Wen-Chien David Hsiao and Edward Hin Pong Lee. These partnerships have fostered a collaborative environment for research and development, leading to innovative solutions in the field of data storage.

Conclusion

Quan-chiu Harry Lam's contributions to magnetic recording technology exemplify his commitment to innovation and excellence. His patents not only advance technical knowledge but also ensure higher efficiency and reliability in data storage. As the technology evolves, Lam remains a pivotal figure in shaping the future of magnetic recording devices.

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