Location History:
- South Pasadena, CA (US) (2016 - 2020)
- La Canada, CA (US) (2022)
- Pasadena, CA (US) (2016 - 2023)
Company Filing History:
9 out of 4,548 
1 out of 1 
1 out of 2,446 Years Active: 2016-2023
Title: Hyeong Jae Lee: Innovator in Ultrasonic Technology
Introduction
Hyeong Jae Lee is a prominent inventor based in South Pasadena, CA, known for his contributions to ultrasonic technology. With a total of 9 patents, he has made significant advancements in the field, particularly in the development of innovative actuators.
Latest Patents
One of his latest patents is the "Dual frequency ultrasonic and sonic actuator with constrained impact mass." This invention presents a dual frequency actuator where the displacement of the impact mass is constrained by various methods, including a cavity and a spring. The actuator converts ultrasonic stress into lower frequency sonic stress, which can be transmitted through different elements such as longitudinal probes and drill bits. Another notable patent is the "Multi-stack piezo actuator," which features an increased radiating surface achieved through multiple piezoelectric stacks. This design enhances amplitude uniformity and is crucial for the actuator's performance.
Career Highlights
Hyeong Jae Lee has worked with esteemed organizations such as the California Institute of Technology and Placidus LLC. His experience in these institutions has allowed him to refine his skills and contribute to groundbreaking research in ultrasonic technology.
Collaborations
Throughout his career, Hyeong Jae Lee has collaborated with notable professionals, including Yoseph Bar-Cohen and Stewart Sherrit. These partnerships have fostered innovation and have been instrumental in advancing his research.
Conclusion
Hyeong Jae Lee's work in ultrasonic technology exemplifies the spirit of innovation. His patents and collaborations reflect his commitment to advancing the field and contributing to technological progress.