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For the Inventor, By the Inventor

Singapore, Singapore

Joseph Cheng-Tsu Liu

USPTO Granted Patents = 13

Average Co-Inventor Count = 4.1

ph-index = 9

Forward Citations = 226(Granted Patents)


Location History:

  • Ulu Pandan, SG (2000)
  • Singapore, SG (2001 - 2010)

Company Filing History:

goldMedal13 out of 8,683 
 
Seagate Technology Incorporated
 patents

Years Active: 2000-2010

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13 patents (USPTO):Explore Patents
1. 7675712 - Ramp structure with inclined contact surface (2010-03-09),
2. 7532437 - Slider having transducers orientated in different directions (2009-05-12),
3. 7082007 - Method to achieve higher track density by allowing only one-sided track encroachment (2006-07-25),
4. 6856485 - Biased retaining ring for disc drive (2005-02-15),
5. 6791786 - Active damping of two-stage actuator system in a disc drive (2004-09-14),
6. 6765737 - Variable track densities on a recording medium to compensate for non-repeatable runout (NRRO) error (2004-07-20),
7. 6606214 - System and method to minimize bearing pivot effect in disc drive actuator (2003-08-12),
8. 6476995 - Method and apparatus for reducing track misregistration from servo track writing (2002-11-05),
9. 6453722 - Integrated test system for a disc drive pivot bearing and actuator (2002-09-24),
10. 6411471 - Low friction bearing pivot for disc drive (2002-06-25),
11. 6400533 - Disc drive actuator latch system for high rotational shock (2002-06-04),
12. 6324054 - Wrap around shock absorber for disc drives (2001-11-27),
13. 6153284 - Magnetic recording medium with high non-operational shock resistance (2000-11-28),

Title: Joseph Cheng-Tsu Liu: Innovator in Data Storage Technology

Introduction

Joseph Cheng-Tsu Liu is a prominent inventor based in Singapore, known for his significant contributions to data storage technology. With a total of 13 patents to his name, Liu has made remarkable advancements in the field, particularly in the design of apparatuses that enhance data storage efficiency.

Latest Patents

One of Liu's latest patents is a ramp structure with an inclined contact surface. This innovative apparatus is designed for unloading a moveable member, featuring a ramp structure that allows a lift tab to advance along an inclined surface. The design ensures that the lift tab pivots about a point to increase its elevation above a base surface. The slope of the inclined surface is carefully determined to match the angular deflection of the lift tab, optimizing its functionality. Additionally, the inclined surface serves as a parking surface, complemented by an entry/exit ramp and a latch surface for smooth operation. Another notable patent involves a slider with transducers oriented in different directions, addressing the skew phenomenon. This design maximizes the area of the medium used for data storage, significantly increasing the storage capacity of devices that implement this technology.

Career Highlights

Joseph Cheng-Tsu Liu is currently employed at Seagate Technology Incorporated, a leading company in data storage solutions. His work at Seagate has allowed him to push the boundaries of innovation in the industry, contributing to the development of advanced storage technologies.

Collaborations

Liu has collaborated with talented individuals such as Xiong Liu and Choon Kiat Lim, working together to drive innovation and enhance the capabilities of data storage devices.

Conclusion

Joseph Cheng-Tsu Liu's contributions to data storage technology through his patents and collaborative efforts have established him as a key figure in the field. His innovative designs continue to influence the future of data storage solutions.

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