South Burlington, VT, United States of America

Shunhua Thomas Chang

USPTO Granted Patents = 22 (Patent Applications = 1)

EPO Patents = 1

Average Co-Inventor Count = 4.9

ph-index = 5

Forward Citations = 80(Granted Patents)

Location History:

Essex Junction, VT (US) (2016)
South Burlington, VT (US) (2008 - 2020)

Company Filing History:

21 out of 164,108

International Business Machines Corporation

Grund Technical Solutions

patent

where one patent can have more than one assignee

Years Active: 2008-2020

where 'Filed Patents' based on already Granted Patents

22 patents (USPTO):Sort by Forward Citations

Abstract keywords

1. 10636872 - Apparatus and method to prevent integrated circuit from entering latch-up mode (2020-04-28),

2. 10359461 - Integrated circuit protection during high-current ESD testing (2019-07-23),

3. 9869708 - Integrated circuit protection during high-current ESD testing (2018-01-16),

4. 9684029 - Transmission line pulse and very fast transmission line pulse reflection control (2017-06-20),

5. 9435841 - Integrated circuit protection during high-current ESD testing (2016-09-06),

6. 9377496 - Cancellation of secondary reverse reflections in a very-fast transmission line pulse system (2016-06-28),

7. 9274155 - Cancellation of secondary reverse reflections in a very-fast transmission line pulse system (2016-03-01),

8. 8803276 - Electrostatic discharge (ESD) device and method of fabricating (2014-08-12),

9. 8796731 - Low leakage, low capacitance electrostatic discharge (ESD) silicon controlled recitifer (SCR), methods of manufacture and design structure (2014-08-05),

10. 8760827 - Robust ESD protection circuit, method and design structure for tolerant and failsafe designs (2014-06-24),

11. 8730624 - Electrostatic discharge power clamp with a JFET based RC trigger circuit (2014-05-20),

12. 8634172 - Silicon controlled rectifier based electrostatic discharge protection circuit with integrated JFETs, method of operation and design structure (2014-01-21),

13. 8614489 - Vertical NPNP structure in a triple well CMOS process (2013-12-24),

14. 8597993 - Electrostatic discharge (ESD) device and method of fabricating (2013-12-03),

15. 8513738 - ESD field-effect transistor and integrated diffusion resistor (2013-08-20),

Title: The Innovative Mind of Shunhua Thomas Chang

Introduction

Shunhua Thomas Chang, a prominent inventor based in South Burlington, VT, has made significant contributions to the field of integrated circuit technology. With an impressive portfolio of 22 patents, his innovative approaches are geared towards enhancing the performance and reliability of electronic devices.

Latest Patents

Chang's recent patents reflect his expertise in preventing integrated circuits from entering latch-up mode. One such invention details an apparatus comprising a p-type substrate, an n-well, and various regions that work in unison to safeguard integrated circuits from potential failures. Additionally, he has developed a method for protecting devices within integrated circuits during electro-static discharge (ESD) testing. This method strategically applies a direct current bias to input devices, ensuring stable operation in the face of ESD challenges.

Career Highlights

Throughout his career, Shunhua Thomas Chang has held significant roles at leading technology companies, including IBM and GlobalFoundries Inc. His work at these organizations has not only solidified his reputation as a top-tier inventor but has also advanced the understanding and application of integrated circuit technology in the industry.

Collaborations

Chang has collaborated with talented individuals such as Robert J. Gauthier, Jr. and Mujahid Muhammad. Their joint efforts have culminated in a series of innovative solutions that continue to influence the landscape of electronic circuit design and protection mechanisms.

Conclusion

Shunhua Thomas Chang stands out as a leading figure in the realm of electronics and integrated circuits. His array of patents underscores a commitment to innovation, ensuring that electronic devices can operate smoothly and efficiently under various conditions. As technology continues to evolve, inventors like Chang will undoubtedly play a crucial role in shaping its future.

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1 patent pending:

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1 patent (EPO):

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