This inventor holds 2 USPTO granted patents. Top assignees: Skhynix Inc., University of Seoul Industry Cooperation Foundation. Active years: 2020-2024.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Seongnam, KR (2020)
- Seongnam-si, KR (2024)
Company Filing History:

Years Active: 2020-2024
Title: Joongho Choi: Innovator in Semiconductor Technology
Introduction
Joongho Choi is a prominent inventor based in Seongnam, South Korea. He has made significant contributions to the field of semiconductor technology, particularly in the development of linear regulators and temperature sensor circuits. With a total of 2 patents, his work showcases innovative solutions that address critical challenges in electronic design.
Latest Patents
One of Joongho Choi's latest patents is a low drop-out (LDO) linear regulator. This invention includes a pass transistor coupled between an input terminal and an output terminal, along with an error amplifier that amplifies the difference between a feedback voltage and a predetermined reference voltage. The design also features a buffer and two compensation circuits that optimize performance based on load current.
Another notable patent is a temperature sensor circuit and semiconductor device. This circuit utilizes a ring oscillator to output a square wave signal, which is then processed through a divider and counter to generate a digital code. The design ensures that the reference voltage remains stable even when the supply voltage fluctuates, enhancing reliability in various applications.
Career Highlights
Joongho Choi has worked with notable organizations such as SK Hynix Inc. and the University of Seoul Industry Cooperation Foundation. His experience in these institutions has allowed him to refine his skills and contribute to groundbreaking advancements in semiconductor technology.
Collaborations
Throughout his career, Joongho Choi has collaborated with talented individuals, including Myunsik Kim and Heain Kim. These partnerships have fostered an environment of innovation and creativity, leading to the development of impactful technologies.
Conclusion
Joongho Choi's contributions to semiconductor technology through his patents and collaborations highlight his role as an influential inventor. His work continues to inspire advancements in the field, making a lasting impact on electronic design and functionality.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile