This inventor holds 3 USPTO granted patents and 7 published patent applications and 2 EPO patents. Top assignees: Electronics and Telecommunications Research Institute, Hankook Tire Co., Ltd.. Active years: 2013-2020.
Company Filing History:
2 out of 11,731 
1 out of 167 
Years Active: 2013-2020
Title: Innovations of Ji Eun Choi
Introduction
Ji Eun Choi is a notable inventor based in Daejeon, South Korea. She has made significant contributions to the fields of electronics and materials science. With a total of 3 patents to her name, her work reflects a commitment to innovation and technological advancement.
Latest Patents
One of her latest patents is an "Apparatus and method for preventing recording of electronic devices." This invention includes a control unit that generates a first modulation signal and manages the apparatus's components. It features a first modulation unit that modulates the signal to an FM signal, an ultrasonic signal generation unit that adjusts frequency based on the FM signal, and an amplification unit that modifies the ultrasonic signal's magnitude. Additionally, a resonance unit enhances the voltage applied to a transducer, while an ultrasound output unit converts electrical signals into ultrasonic signals to prevent recording by electronic devices.
Another significant patent is for a "Rubber composition for tire tread and tire manufactured by using the same." This composition consists of 100 parts by weight of raw material rubber, including a specific formulation of styrene-butadiene rubber and silica, designed to enhance tire performance.
Career Highlights
Ji Eun Choi has worked with prominent organizations such as the Electronics and Telecommunications Research Institute and Hankook Tire Co., Ltd. Her experience in these companies has allowed her to develop innovative solutions that address real-world challenges.
Collaborations
Throughout her career, she has collaborated with talented individuals, including Dae Heon Lee and Sung Hyun Kim. These partnerships have contributed to her success and the advancement of her inventions.
Conclusion
Ji Eun Choi's contributions to innovation, particularly in electronic devices and tire technology, showcase her expertise and dedication to her field. Her patents reflect a blend of creativity and technical knowledge that continues to influence the industry.