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For the Inventor, By the Inventor

San Jose, CA, United States of America

Hemant Melkote

USPTO Granted Patents = 18

Average Co-Inventor Count = 2.5

ph-index = 18

Forward Citations = 2,125(Granted Patents)


Company Filing History:

goldMedal18 out of 5,310 
 
Western Digital Technologies, Inc.
 patents

Years Active: 2004-2011

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18 patents (USPTO):Explore Patents
1. 8059360 - Disk drive compensating for radial phase change of repeatable position error due to servo writing from spiral tracks (2011-11-15),
2. 7548392 - Disk drive controlling a voice coil motor during an emergency unload (2009-06-16),
3. 7304819 - Method for writing repeatable runout correction values to a magnetic disk of a disk drive (2007-12-04),
4. 7298574 - Servo writing a disk drive using correction values that attenuate phase error propagation (2007-11-20),
5. 7196864 - Disk drive having a servo control system optimized for faster determination of repeatable runout correction values and related method (2007-03-27),
6. 7095579 - Disk drive employing momentum based unload during power failure (2006-08-22),
7. 7046472 - Method and apparatus for self servowriting of tracks of a disk drive using an observer based on an equivalent one-dimensional state model (2006-05-16),
8. 6999267 - Method for iteratively determining repeatable runout cancellation values in a magnetic disk drive (2006-02-14),
9. 6999263 - Method and apparatus for self servowriting of tracks of a disk drive using a servo control loop having a two-dimensional weighted digital state compensator (2006-02-14),
10. 6975480 - Method for determining repeatable runout cancellation values in a magnetic disk drive using filtering (2005-12-13),
11. 6963465 - Method for preventing radial error propagation during self-servowriting of tracks in a magnetic disk drive (2005-11-08),
12. 6937420 - Determining repeatable runout cancellation information using PES information generated during self servo-writing operations (2005-08-30),
13. 6924961 - Method and apparatus for self servowriting of tracks of a disk drive using an observer based on an equivalent one-dimensional state model (2005-08-02),
14. 6924960 - Timing compensation in a self-servowriting system (2005-08-02),
15. 6924959 - Reducing estimation period for repeatable runout errors in a disk drive (2005-08-02),

Title: Hemant Melkote: Innovator in Disk Drive Technology

Introduction

Hemant Melkote is a prominent inventor based in San Jose, California. He has made significant contributions to the field of disk drive technology, holding a total of 18 patents. His work has been instrumental in advancing the performance and reliability of disk drives.

Latest Patents

Among his latest patents is a groundbreaking invention titled "Disk drive compensating for radial phase change of repeatable position error due to servo writing from spiral tracks." This patent describes a disk drive that includes a head actuated over a disk with multiple servo sectors. These sectors are written to the disk by servoing off spiral tracks, allowing for precise positioning of the head over a target track. The invention addresses repeatable position errors by generating coefficients of a first sinusoid that account for both coherent and spiral components, enhancing the accuracy of the head's positioning.

Another notable patent is "Disk drive controlling a voice coil motor during an emergency unload." This invention outlines a disk drive that features a spindle motor, a head, and a voice coil motor (VCM). The VCM is designed to actuate the head over the disk, utilizing a capacitor and a back electromotive force (BEMF) voltage generator to optimize the operation of the VCM during emergency situations.

Career Highlights

Hemant Melkote is currently employed at Western Digital Technologies, Inc., where he continues to innovate in the realm of data storage solutions. His extensive experience and expertise have positioned him as a key player in the industry.

Collaborations

Throughout his career, Hemant has collaborated with notable colleagues, including Vinay Kumar Agarwal and Robert J McNab. These partnerships have contributed to the development of advanced technologies in disk drive systems.

Conclusion

Hemant Melkote's contributions to disk drive technology through his numerous patents highlight his role as a leading inventor in the field. His innovative solutions continue to shape the future of data storage.

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