Company Filing History:

12 out of 164,108

International Business Machines Corporation

patents

1 out of 2,636

Hitachi Global Storage Technologies Netherlands B.v.

patents

Years Active: 1977-2005

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13 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6920012 - Magnetic wear debris collector for air bearing of a spindle motor in a hard disk drive (2005-07-19),

2. 6815850 - Flux leakage barrier in fluid bearing for disk drive (2004-11-09),

3. 6603632 - Magnetic wear debris collector for air bearing of a spindle motor in a hard disk drive (2003-08-05),

4. 6524006 - Fluid dynamic bearing assembly (2003-02-25),

5. 6339515 - Fluid bearing seal and support structure (2002-01-15),

6. 6236535 - Spindle motor with hydrodynamic bearing (2001-05-22),

7. 6199425 - Apparatus and method for testing thrust bearings (2001-03-13),

8. 6173234 - Axial bearing fly-height measurement to detect oil deficiency (2001-01-09),

9. 6071014 - Spindle motor with hybrid air/oil hydrodynamic bearing (2000-06-06),

10. 5957589 - Fluid bearing seal and support structure (1999-09-28),

11. 5901013 - Fluid spindle bearing vent (1999-05-04),

12. 4188635 - Ink jet printing head (1980-02-12),

13. 4065774 - Hybrid fluid jet drop generation (1977-12-27),

Title: Exploring the Innovative Journey of Inventor Chen-Hsiung Lee

Introduction

Chen-Hsiung Lee, a prominent inventor based in San Jose, CA, has made significant contributions to the field of technology and engineering. With a total of 13 patents to his name, Lee's innovations primarily focus on advancements in hard disk drive technologies that address critical issues in performance and reliability.

Latest Patents

Among his latest inventions are two notable patents that showcase his ingenuity. The first is a "Magnetic wear debris collector for air bearing of a spindle motor in a hard disk drive." This invention provides a method and apparatus for collecting magnetic wear debris, preventing deterioration of the air journal bearing by utilizing a magnetic ring near the journal bearing. This innovation significantly enhances the operational longevity of hard disk drives.

Another of his recent patents, titled "Flux leakage barrier in fluid bearing for disk drive," introduces an innovative spindle design for hard disk drive assemblies. By incorporating a large gap between the rotating ferromagnetic hub and the fluid bearing journal member, this invention minimizes magnetic flux leakage, resulting in reduced iron loss and acceptable noise levels in the shaft.

Career Highlights

Chen-Hsiung Lee has worked with several esteemed companies throughout his career. His experience at International Business Machines Corporation (IBM) and Hitachi Global Storage Technologies (Hitachi GST) has greatly influenced his work in developing cutting-edge technologies in data storage solutions. These affiliations provided him with the foundation to advance his ideas into practical inventions that have reshaped the industry.

Collaborations

Throughout his journey, Lee has collaborated with talented professionals, including Holavanahally Seshachar Nagaraj and Neal Bertram Schirle. These partnerships have allowed him to leverage diverse expertise and insights, further enhancing the quality and impact of his inventions.

Conclusion

Chen-Hsiung Lee is a remarkable inventor whose contributions have significantly impacted the field of hard disk drives and magnetic technologies. His 13 patents reflect a commitment to innovation and problem-solving that continues to inspire advancements within the industry. As technology evolves, Lee’s contributions ensure progress towards more efficient and reliable data storage solutions.

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Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.