Davy H Choi

This inventor holds 20 USPTO granted patents, primarily in HDD Preamplifier Technology. Top assignee: Texas Instruments Corporation. Active years: 1995-2006.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Davy H Choi. Retrieved from https://idiyas.com/inventor/davy-h-choi

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 20

% Patents Active = 100.0

Average Co-Inventor Count = 1.6

ph-index = 6

Forward Citations = 192(Granted Patents)

Company Filing History:

20 out of 29,888

Texas Instruments Corporation

patents

Years Active: 1995-2006

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Areas of Expertise:

HDD Preamplifier

Write Current Generation

Reader Amplifier Gain

Frequency Response

Signal Processing

Analog Circuit

Voltage-to-Current Converter

Variable Gain Amplifier

Transconductance Circuit

Error Estimation

Delay Circuit

Logic Gate

20 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7110204 - Process-insensitive write current generation for a HDD preamplifier writer equipped with parallel output resistive damping (2006-09-19),

2. 7085088 - Method of controlling reader amplifier gain variations of a HDD preamplifier, or the like (2006-08-01),

3. 6927933 - Apparatus configured for applying write signals for driving a write head and method for configuring (2005-08-09),

4. 6734721 - Method and apparatus for affecting speed of transition of a closed loop circuit (2004-05-11),

5. 6631044 - Method of reducing a frequency-response peaking of a magneto-resistive preamplifier in a mass data storage device, or the like (2003-10-07),

6. 6538833 - System and method for improving frequency response in a magneto-resistive preamplifier (2003-03-25),

7. 6404579 - Current bias voltage sense single ended preamplifier (2002-06-11),

8. 6369618 - Temperature and process independent exponential voltage-to-current converter circuit (2002-04-09),

9. 6268765 - 2.5V, 30-100 MHz 7th order equiripple delay continuous-time filter and variable gain amplifier (2001-07-31),

10. 6147828 - Method and apparatus for reducing asymmetry in a signal from a (2000-11-14),

11. 6046875 - Linear transconductance circuit having a large linear range (2000-04-04),

12. 6023383 - Error estimation circuit and method for providing a read channel error (2000-02-08),

13. 5994926 - Circuit and method for programmably changing the transconductance of a (1999-11-30),

14. 5952867 - Exponentiator circuit and method for generating decibel steps of (1999-09-14),

15. 5933463 - Method and circuit for calculating metrics for an analog viterbi detector (1999-08-03),

Title: Davy H Choi: Innovator in HDD Preamplifier Technology

Introduction

Davy H Choi is a prolific inventor based in Garland, TX, with an impressive portfolio of 20 patents to his name. His work primarily focuses on advancements in hard disk drive (HDD) preamplifiers, significantly contributing to efficiency and performance in data storage technology.

Latest Patents

Among his latest innovations, Davy's patent for a **Process-insensitive write current generation for a HDD preamplifier writer equipped with parallel output resistive damping** stands out. This invention enhances a Parallel Damping scheme, providing substantial benefits for very-low-supply preamp operations, enabling more accurate programmable current flow through the write head. Additionally, he developed the **Method of controlling reader amplifier gain variations of a HDD preamplifier, or the like**, which integrates a differential input stage and multiple current sources. This method adeptly addresses gain variations by manipulating differential inputs and optimizing output based on the interplay of resistance, carrier mobility, and capacitance.

Career Highlights

Davy H Choi is currently employed at Texas Instruments Corporation, a leader in semiconductor innovation. Throughout his career, he has focused on refining technologies that directly impact the performance of storage devices. His contributions have helped shape the direction of current HDD preamplifier designs, maximizing their effectiveness in data retrieval and storage processes.

Collaborations

In his journey, Davy has collaborated with notable coworkers such as Bryan E Bloodworth and Patrick Peter Siniscalchi, both of whom contribute their expertise to the innovative environment at Texas Instruments Corporation. These collaborations have fostered a productive exchange of ideas and have led to advancements in HDD technology.

Conclusion

Davy H Choi exemplifies the spirit of innovation within the fields of data storage and electronics. His substantial contributions, reflected in his 20 patents, continue to influence the development of HDD technologies. With a focus on improving performance and efficiency, Choi's work is a vital component of modern data storage solutions.

Profile summary based on public USPTO records.

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]