Hyun J Shin

This inventor holds 22 USPTO granted patents, primarily in Image Sensor Technology. Top assignee: International Business Machines Corporation. Active years: 1991-2002.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hyun J Shin. Retrieved from https://idiyas.com/inventor/hyun-j-shin

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

USPTO Granted Patents = 22

% Patents Active = 100.0

Average Co-Inventor Count = 3.2

ph-index = 16

Forward Citations = 957(Granted Patents)

Location History:

Mahopac, NY (US) (1991 - 1995)
Ridgefield, CT (US) (1997 - 2002)

Company Filing History:

22 out of 166,351

International Business Machines Corporation

patents

Years Active: 1991-2002

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Areas of Expertise:

Image Sensor

Dummy Pixel Array

Digital Gain Control

Non-Uniform A/D Conversion

Voltage Regulator

Correlated Double Sampling

Flash Memory

DRAM Structures

Bipolar Logic

CMOS Circuits

Pull-Down Circuit

Memory Array

22 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6344877 - Image sensor with dummy pixel or dummy pixel array (2002-02-05),

2. 6275259 - Digital automatic gain control circuit for image system (2001-08-14),

3. 6115066 - Image sensor with direct digital correlated sampling (2000-09-05),

4. 5920274 - Image sensor employing non-uniform A/D conversion (1999-07-06),

5. 5898168 - Image sensor pixel circuit (1999-04-27),

6. 5877715 - Correlated double sampling with up/down counter (1999-03-02),

7. 5872733 - Ramp-up rate control circuit for flash memory charge pump (1999-02-16),

8. 5736891 - Discharge circuit in a semiconductor memory (1998-04-07),

9. 5721485 - High performance on-chip voltage regulator designs (1998-02-24),

10. 5703532 - Fully differential self-biased signal receiver (1997-12-30),

11. 5453953 - Bandgap voltage reference generator (1995-09-26),

12. 5418477 - Data output buffer pull-down circuit for TTL interface (1995-05-23),

13. 5359552 - Power supply tracking regulator for a memory array (1994-10-25),

14. 5343092 - Self-biased feedback-controlled active pull-down signal switching (1994-08-30),

15. 5339274 - Variable bitline precharge voltage sensing technique for DRAM structures (1994-08-16),

Title: Innovations by Hyun J. Shin: Pioneering Image Sensor Technology

Introduction

Hyun J. Shin, based in Mahopac, NY, is an accomplished inventor with a robust portfolio of 22 patents. His expertise lies in the field of image sensor technology, where he has made significant contributions, particularly in improving the performance and reliability of image capturing devices.

Latest Patents

Among Hyun J. Shin's latest innovations are two notable patents. The first is an **image sensor with dummy pixel or dummy pixel array**, which is designed to enhance the accuracy of image sensors by incorporating dummy pixels that provide reference signals for error compensation in the main pixel cells. This innovation allows for correction of nonlinearities in the transfer characteristics of source follower transistors and addresses leakage current during electronic shutter operations.

The second patent, titled **digital automatic gain control circuit for image system**, focuses on performing automatic gain control entirely in the digital domain. This circuit includes a min/max detector that identifies the minimum and maximum signal values from the analog-to-digital converter for each image frame. It also utilizes a filter to dampen sudden changes, which results in more stable reference voltage application and improved signal processing.

Career Highlights

Hyun J. Shin's career is marked by his tenure at the International Business Machines Corporation (IBM), a leading company in technology and innovation. His work in image sensor development has not only advanced the capabilities of imaging technologies but also positioned IBM at the forefront of research and development in this area.

Collaborations

In his role at IBM, Hyun J. Shin has collaborated with other esteemed professionals, including Sang Hoo Dhong and Peter Hong Xiao. This collaborative environment fosters innovation and facilitates the exchange of ideas, driving the development of advanced technologies in image sensing.

Conclusion

Hyun J. Shin's contributions through his patents have significantly impacted the field of image sensor technology. His innovative solutions pave the way for more efficient imaging systems, illustrating the importance of inventors like him in advancing technological boundaries. With a solid foundation and a vision for the future, Hyun J. Shin continues to be a key figure in the world of innovations and inventions.

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]