This inventor holds 34 USPTO granted patents and 8 published patent applications and 9 EPO patents, primarily in Phosphor Technology. Top assignees: Delta Electronics, Inc., National Central University. Active years: 2013-2021.
Location History:
- Taoyuan Hsien, TW (2013 - 2019)
- Taoyuan, TW (2016 - 2021)
Company Filing History:
34 out of 3,525 
2 out of 423 
Years Active: 2013-2021
Areas of Expertise:
Title: Innovations by Keh-Su Chang
Introduction
Keh-Su Chang, a prominent inventor based in Taoyuan, Taiwan, holds an impressive portfolio of 34 patents. His innovative work focuses primarily on advanced technologies that enhance manufacturing processes and improve lighting systems.
Latest Patents
Among his latest inventions is the "Photocuring Three-Dimensional Molding System and Vat Heating Device." This innovative device includes a vat designed to accommodate a photosensitive resin, with a heater positioned on the bottom plate. The heater directly heats the resin, located on the optical path of a light source for effective curing. Additionally, he developed a “Phosphor Device Comprising Plural Phosphor Agents for Converting Waveband Light into Plural Color Lights.” This device transforms a first waveband light into two distinct color lights by utilizing a substrate and a specialized phosphor layer, which significantly enhances light purity, luminance, and intensity.
Career Highlights
Keh-Su Chang's career is marked by significant contributions to various reputable organizations. He has collaborated with Delta Electronics, Inc., and served in academia at National Central University. His extensive experience in these companies has strengthened his expertise in innovative technologies and patent development.
Collaborations
Throughout his career, Chang has worked alongside esteemed colleagues, including Yen-I Chou and Chi Chen. Their collaboration has contributed to the advancement of research and development in their respective fields, leading to the creation of groundbreaking inventions.
Conclusion
Keh-Su Chang's remarkable contributions to the field of innovation underscore his role as a leading inventor. His patents reflect a dedication to improving technology, particularly in molding systems and lighting solutions. As he continues to advance his research, Keh-Su Chang remains a significant figure in contemporary invention and innovation.