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For the Inventor, By the Inventor

Yongin-si, South Korea

Sang-hoon Chu

USPTO Granted Patents = 15

Average Co-Inventor Count = 2.7

ph-index = 4

Forward Citations = 57(Granted Patents)


Location History:

  • Seoul, KR (2006 - 2007)
  • Yougin-si, KR (2007)
  • Youngin-si, KR (2010)
  • Yongin-si, KR (2008 - 2011)

Company Filing History:

goldMedal15 out of 131,214 
 
Samsung Electronics Co., Ltd.
 patents

Years Active: 2006-2011

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15 patents (USPTO):Explore Patents
1. 7952825 - Method and apparatus adjusting reference clock frequency and disk drive using same (2011-05-31),
2. 7777982 - Disturbance compensation determination apparatus, a related method, a computer-readable medium storing a computer program related to the method, and a disk drive comprising the apparatus (2010-08-17),
3. 7715140 - Method of determining size of error and write control method for hard disc drive, hard disc drive using the write control method, and media storing computer programs for executing the methods (2010-05-11),
4. 7667417 - Apparatus and method compensating recurring false speed errors in DC motor and disk drive adopting same (2010-02-23),
5. 7593180 - HDD data read control apparatus, medium, and method (2009-09-22),
6. 7564644 - Adaptive disturbance repressing method and apparatus, and disk drive apparatus using the same (2009-07-21),
7. 7432673 - Method, medium, and apparatus controlling current gain change of a spindle motor driver (2008-10-07),
8. 7369352 - Apparatus, medium, and method with seek servo control considering temperature change (2008-05-06),
9. 7342739 - Method, medium, and apparatus compensating for torque variations based on temperature (2008-03-11),
10. 7336438 - Write control method of hard disk drive, hard disk drive adapting the method and recording medium thereof (2008-02-26),
11. 7333292 - Seek servo control method for adapting to supply voltage variation and disk drive using the same (2008-02-19),
12. 7248428 - Method, medium, and apparatus controlling track seek in a recording and/or reproducing apparatus (2007-07-24),
13. 7203024 - Method of testing servo burst signals of hard disk drive and recording medium adapted therefor (2007-04-10),
14. 7145743 - Apparatus and method for unlatching a head within a data storage device (2006-12-05),
15. 7116515 - Method and apparatus for compensating for torque change in seek servo (2006-10-03),

Title: **Innovations of Sang-hoon Chu: A Pioneer in Disk Drive Technologies**

Introduction

Sang-hoon Chu is a leading inventor based in Yongin-si, South Korea, recognized for his significant contributions to the field of disk drive technologies. With a remarkable portfolio of 15 patents, his innovative work continues to play a crucial role in advancing the efficiency and performance of digital storage solutions.

Latest Patents

Among his recent patents, Sang-hoon Chu has developed a method and apparatus for adjusting reference clock frequency in disk drives. This invention improves the reliability of disk drives by measuring each servo sector detection time interval, generating an error signal, and adjusting the reference clock frequency to ensure consistent performance. Additionally, he has introduced a disturbance compensation determination apparatus, which employs a disturbance observer to estimate disturbances in real-time, along with a control loop that adapts based on evaluated conditions. These latest innovations showcase his dedication to enhancing disk drive technology for better data management.

Career Highlights

Sang-hoon Chu’s career is marked by his influential work at Samsung Electronics Co., Ltd., where he has been instrumental in developing cutting-edge technologies for disk drives. His expertise and innovative approach have led to multiple patents that contribute to the company's reputation as a leader in the electronics sector.

Collaborations

Throughout his career, Sang-hoon has collaborated with esteemed colleagues, such as Cheol-hoon Park and Nam-guk Kim. These partnerships have enriched his research endeavors, fostering a collaborative environment that drives technological advancements in the field.

Conclusion

Sang-hoon Chu’s inventive spirit and dedication to his field have resulted in significant advancements in disk drive technologies. With 15 patents to his name, his contributions continue to shape the future of digital storage solutions, emphasizing the vital role of innovation in enhancing technology. As he continues his work at Samsung Electronics Co., Ltd., the tech community eagerly anticipates his next breakthroughs.

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