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For the Inventor, By the Inventor

Hsinchu County, Taiwan

Chih-Lien Chang

USPTO Granted Patents = 23 

Average Co-Inventor Count = 1.9

ph-index = 2

Forward Citations = 13(Granted Patents)


Location History:

  • Hsinchu County, TW (2013 - 2022)
  • Zhubei, TW (2015 - 2023)

Company Filing History:

goldMedal23 out of 119 
 
Upi Semiconductor Corporation
 patents

Years Active: 2013-2025

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23 patents (USPTO):Explore Patents
1. 12308731 - Controller of power conversion circuit and operating method thereof (2025-05-20),
2. 11656644 - Control circuit of power converter and reference voltage adjusting method thereof (2023-05-23),
3. 11616431 - Control circuit of power converter (2023-03-28),
4. 11502601 - Control circuit and control method of power converter (2022-11-15),
5. 11316428 - Time signal generating circuit of power converter and control method thereof (2022-04-26),
6. 11309784 - Power conversion circuit with multi-functional pin and multi-function setting method thereof (2022-04-19),
7. 11075618 - Pulse width modulation signal generator (2021-07-27),
8. 10879794 - DC-DC controller with DCM control (2020-12-29),
9. 10855182 - Power conversion circuit and operating method thereof (2020-12-01),
10. 10680511 - DC-DC converting controller (2020-06-09),
11. 10637454 - Pulse-width modulation controller and tri-state voltage generation method (2020-04-28),
12. 10587191 - Dc-dc converting circuit and method for controlling the same (2020-03-10),
13. 10574141 - Current mirror calibration circuit and current mirror calibration method (2020-02-25),
14. 10511228 - DC-DC converting controller (2019-12-17),
15. 10461631 - DC-to-DC controller and control method thereof (2019-10-29),

Title: **Chih-Lien Chang: A Pioneer in Power Converter Innovations**

Introduction

Chih-Lien Chang, based in Hsinchu County, Taiwan, is a prolific inventor with an impressive portfolio of 22 patents. His innovations primarily focus on advancements in power converter technology, significantly contributing to the field of electrical engineering.

Latest Patents

Among his latest patents are two notable inventions:

1. **Control Circuit of Power Converter and Reference Voltage Adjusting Method Thereof** - This invention outlines a comprehensive control circuit that consists of a first sensing circuit, a reference voltage generation circuit, an error amplifying circuit, and a PWM circuit. The design integrates a first current sensing signal to optimize voltage regulation.

2. **Control Circuit of Power Converter** - This patent details a control circuit that includes a sensing circuit, a ramp signal generation circuit, and a PWM circuit. By leveraging a transient circuit for variable reference voltage, it enhances performance during current sourcing and provides efficiency in power management.

Career Highlights

Chih-Lien Chang is currently employed at UPI Semiconductor Corporation, where he applies his expertise in semiconductor technology and power converters. His innovative contributions have not only advanced the company's product offerings but have also set benchmarks in the industry.

Collaborations

Throughout his career, Chang has collaborated with fellow engineers Min-Rui Lai and Chih-Wen Hsiao. Together, they have worked on various projects that have contributed to the advancement of semiconductor technology and innovations in power conversion.

Conclusion

Chih-Lien Chang's contributions to the technological landscape are commendable, showcasing a relentless pursuit of innovation in power converter technology. With his 22 patents, he stands as a significant figure in the field, influencing the design and efficiency of modern electrical systems. His work at UPI Semiconductor Corporation and collaborations with his peers continue to shape the future of semiconductor innovations.

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