Company Filing History:
2 out of 12 
1 out of 1 Years Active: 2000-2005
Title: **Innovator Spotlight: Hau-Luen Tien**
Introduction
Hau-Luen Tien is a notable inventor based in Taipei, Taiwan, recognized for his contributions to power electronics. With a total of three patents to his name, Tien has made significant strides in the field of switching mode power supplies, enhancing the efficiency and reliability of electronic circuits.
Latest Patents
One of Tien's most recent patents is a **Power chip set for a switching mode power supply having a device for providing a drive signal to a control unit upon startup**. This innovative power chip set is comprised of a high voltage chip and a control unit chip. The high voltage chip features a switching power metal-oxide-semiconductor (MOS) transistor that operates under the control of an output signal from the control unit. A junction field effect transistor (JFET) is incorporated between the drain of the switching power MOS transistor and the power terminal of the control unit to serve as a start-up element. This JFET, possessing a negative threshold voltage, effectively drives the control unit during initiation. Additionally, the JFET structure includes a Zener diode, providing over-voltage protection. Furthermore, the chip comprises a current-sense power MOS transistor that detects the drain current of the switching power MOS transistor. This chip set can be packaged into a power module, showcasing Tien's ingenuity and dedication to advancing power supply technology.
Career Highlights
Throughout his career, Hau-Luen Tien has worked with prominent companies in the field, including Analog and Power Electronics Corporation and Analog and Power Electrics Corporation. His experience in these organizations has allowed him to refine his expertise and contribute to numerous innovative solutions in power electronics.
Collaborations
Tien has collaborated with talented coworkers in his field, including Chorng-Wei Liaw and Wei-Jye Lin. Their combined efforts have undoubtedly propelled advancements in their projects, fostering an environment of creativity and innovation.
Conclusion
Hau-Luen Tien's innovative work in the power electronics sector highlights the importance of research and development in modern technology. With a dedication to creating efficient power solutions, Tien continues to inspire future innovations in the industry. His patents not only demonstrate his technical skills but also contribute significantly to the evolution of power supply systems.
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.