Company Filing History:

14 out of 131,214

Samsung Electronics Co., Ltd.

patents

9 out of 5,310

Western Digital Technologies, Inc.

patents

1 out of 832,680

Other

patents

Years Active: 2005-2016

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24 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 9269386 - Data storage device on-line adapting disturbance observer filter (2016-02-23),

2. 9147418 - Disk drive compensating for microactuator gain variations (2015-09-29),

3. 9142225 - Electronic system with actuator control mechanism and method of operation thereof (2015-09-22),

4. 9053726 - Data storage device on-line adapting disturbance observer filter (2015-06-09),

5. 9007714 - Data storage device comprising slew rate anti-windup compensation for microactuator (2015-04-14),

6. 9001454 - Disk drive adjusting phase of adaptive feed-forward controller when reconfiguring servo loop (2015-04-07),

7. 8717704 - Disk drive defining non-circular data tracks relative to a rotation axis of the disk (2014-05-06),

8. 8630059 - Methods for closed-loop compensation of ultra-high frequency disturbances in hard disk drives and hard disk drives utilizing same (2014-01-14),

9. 8611040 - Disk drive adjusting microactuator gain by injecting a sinusoid into a servo control system (2013-12-17),

10. 7697236 - Method and apparatus for disk damper extending across all data tracks of a rotating disk surface upwind of the voice coil actuator in a hard disk drive (2010-04-13),

11. 7626782 - Disk drive employing iterative learning control for tuning seek servo loop (2009-12-01),

12. 7605994 - Multiple sinusoidal seek servo system for reducing seek acoustics and seek time in hard disk drives (2009-10-20),

13. 7595964 - Method for reducing off track head motion due to disk vibration in a hard disk drive through the head gimbal assembly (2009-09-29),

14. 7576940 - Method and apparatus for estimating micro-actuator stroke sensitivity in a hard disk drive (2009-08-18),

15. 7502191 - Method and apparatus reducing off track head motion due to disk vibration in a hard disk drive through the head gimbal assembly (2009-03-10),

Title: The Innovative Contributions of Young-Hoon Kim in Data Storage Technology

Introduction

Young-Hoon Kim is a distinguished inventor based in Cupertino, CA, with an impressive portfolio comprising 24 patents. His work primarily revolves around advancements in data storage devices, reflecting his significant contributions to the industry.

Latest Patents

Among his notable patents, two standout inventions exemplify his expertise:

1. **Data storage device on-line adapting disturbance observer filter** - This patent discloses a data storage device featuring a head actuated over a disk with tracks defined by servo sectors. The invention generates a location of the head based on the servo sectors and produces a position error signal (PES), which indicates the difference between the target and measured locations of the head. The actuator control signal (ACS) is created in response to the PES, while a disturbance compensation signal (DCS) enhances performance by factoring in the PES and ACS. The DCS undergoes filtering through a series of band-pass filters, with a peak detection filter detecting frequency peaks to adjust the disturbance observer filter accordingly.

2. **Disk drive compensating for microactuator gain variations** - This patent describes a disk drive that consists of a head and a disk surface containing servo information. It incorporates a dual-stage actuator servo loop that employs a voice coil motor (VCM) and a microactuator to effectively control the head's movement across the disk surface. A position error signal (PES) is generated based on servo information, leading to a control signal that compensates for microactuator gain variations, ultimately enhancing the efficiency of disk operations.

Career Highlights

Young-Hoon Kim has worked with two prominent companies in the technology sector: Samsung Electronics Co., Ltd. and Western Digital Technologies, Inc. His tenure at these renowned organizations has allowed him to develop groundbreaking technologies and innovations in data storage solutions.

Collaborations

Throughout his career, Young-Hoon Kim has collaborated with talented colleagues, including Dong-Ho Oh and Seong-Woo Kang. These collaborations have fostered an environment of innovation and creativity, leading to the successful completion of numerous projects and patents.

Conclusion

Young-Hoon Kim's contributions to data storage technology through his inventions and patents have significantly impacted the industry. As an inventor, his work continues to inspire advancements in data storage solutions, showcasing the importance of innovation in technology.

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