Location History:
- Miaoli County, TW (2012 - 2014)
- Fremont, CA (US) (1993 - 2018)
Company Filing History:
6 out of 181 
4 out of 40 
2 out of 15,502 
Years Active: 1993-2018
Title: Hsu Chang - Innovator in Medical Imaging and Ultrasound Technology
Introduction
Hsu Chang is a prominent inventor based in Fremont, California, known for his significant contributions to the fields of medical imaging and ultrasound technology. With a total of 12 patents to his name, Chang has developed innovative solutions that enhance diagnostic capabilities and therapeutic applications in medicine.
Latest Patents
One of Hsu Chang's latest patents is a magnetic resonance imaging system designed to improve imaging over a target area of a subject. This system includes first and second RF coils that receive RF signals from the subject. The first RF coil is fixed to a position device and is movable over the target area, while the second RF coil is larger and offers a broader field of view. Additionally, the system features an image processing device that processes RF signals from both coils to create detailed MRI images.
Another notable patent is the dual-curvature phased array high-intensity focused ultrasound transducer for tumor therapy. This transducer is designed for use with high-intensity focused ultrasound medical systems and consists of transducer elements made from a piezocomposite material. These elements are arranged along a surface with two curvatures, forming a truncated curved cylinder. The transducer includes electrodes that excite the elements to emit ultrasonic waves, allowing for precise targeting of a common focus zone in a desired heating area.
Career Highlights
Hsu Chang has worked with esteemed organizations such as the National Health Research Institutes and Toshiba America MRI, Inc. His experience in these institutions has allowed him to refine his skills and contribute to groundbreaking advancements in medical technology.
Collaborations
Throughout his career, Hsu Chang has collaborated with notable colleagues, including Ching Yao and Mitsuaki A Arakawa. These partnerships have fostered innovation and have been instrumental in the development of his patented technologies.
Conclusion
Hsu Chang's work in medical imaging and ultrasound technology exemplifies the impact of innovation in healthcare. His patents not only advance diagnostic techniques but also enhance therapeutic options for patients. Chang's contributions continue to shape the future of medical technology.