Company Filing History:
Years Active: 2021-2025
Title: Yung-Hsien Chang: Innovator in Circuit Protection Technologies
Introduction
Yung-Hsien Chang is a notable inventor based in Douliu, Taiwan. He has made significant contributions to the field of circuit protection devices, holding a total of 7 patents. His innovative designs focus on enhancing the safety and reliability of electrical systems.
Latest Patents
Among his latest patents is an over-current protection device. This device features a first metal layer, a second metal layer, and a heat-sensitive layer laminated between them. The heat-sensitive layer exhibits a positive temperature coefficient (PTC) characteristic and consists of a polymer matrix and a first conductive filler. The polymer matrix includes a polyolefin-based polymer and a fluoropolymer, which together form an interpenetrating polymer network (IPN). The first conductive filler contains a metal-ceramic compound dispersed in the polymer matrix.
Another significant patent is a circuit protection device that includes a first temperature-sensitive resistor and a second temperature-sensitive resistor. These resistors are electrically connected in parallel and feature a first upper electrically conductive layer and a second lower electrically conductive layer. The device also includes an electrically insulating multilayer, which consists of an upper insulating layer, a middle insulating layer, and a lower insulating layer. The external electrode is disposed on the first electrode layer and extends beyond a peripheral wall along a horizontal direction.
Career Highlights
Yung-Hsien Chang is currently employed at Polytronics Technology Corporation, where he continues to develop innovative solutions in circuit protection technology. His work has significantly impacted the industry, providing safer and more efficient electrical devices.
Collaborations
He has collaborated with notable coworkers, including Hsiu-Che Yen and Fu-Hua Chu, contributing to various projects that enhance the functionality and safety of electronic devices.
Conclusion
Yung-Hsien Chang's contributions to circuit protection technologies demonstrate his commitment to innovation and safety in electrical systems. His patents reflect a deep understanding of materials and engineering principles, making him a valuable asset in the field.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.