Seoul, South Korea

Chang Hwi Lee

This inventor holds 5 USPTO granted patents and 2 published patent applications. Top assignee: Skhynix Inc.. Active years: 2019-2024.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Chang Hwi Lee. Retrieved from https://idiyas.com/inventor/chang-hwi-lee

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

USPTO Granted Patents = 5 

% Patents Active = 100.0

Average Co-Inventor Count = 3.7

ph-index = 1

Forward Citations = 1(Granted Patents)


Location History:

  • Seoul, KR (2019 - 2022)
  • Icheon-si, KR (2024)

Company Filing History:


Years Active: 2019-2024

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5 patents (USPTO):Explore Patents

Title: Chang Hwi Lee: Innovator in Semiconductor Technology

Introduction

Chang Hwi Lee is a prominent inventor based in Seoul, South Korea. He has made significant contributions to the field of semiconductor technology, holding a total of 5 patents. His work focuses on enhancing the reliability and performance of electronic components.

Latest Patents

One of his latest patents is titled "Test circuit monitoring PBTI and operating method thereof." This invention includes a PBTI monitoring unit that is driven according to a power voltage. The monitoring unit outputs an output voltage that is equal to or lower than the potential of the power voltage, depending on the PBTI degradation rate of an NMOS transistor. Additionally, he has developed a "Test device" that features an input/output (I/O) circuit designed to discharge static electricity between an I/O pad and an internal circuit to a power-supply line, ground line, or substrate line. This device also includes a capacitor circuit for modeling parasitic capacitance and a discharge circuit for managing stored capacitance.

Career Highlights

Chang Hwi Lee is currently employed at SK Hynix Inc., a leading semiconductor manufacturer. His innovative work has positioned him as a key player in the development of advanced semiconductor technologies.

Collaborations

He collaborates with talented coworkers, including Jin Woo Kim and Man Ho Seung, who contribute to his projects and research endeavors.

Conclusion

Chang Hwi Lee's contributions to semiconductor technology through his patents and collaborations highlight his role as an influential inventor in the industry. His work continues to impact the field positively.

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]
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