Location History:
- Taipei Hsien, TW (2008)
- Hsinchu, TW (2011)
- Jhongli, TW (2012)
- Taoyuan County, TW (2013)
Company Filing History:
3 out of 44 
1 out of 19,767 
Years Active: 2008-2013
Title: Innovator Spotlight: Chih-Chang Chang
Introduction: Chih-Chang Chang, an accomplished inventor based in Taoyuan County, Taiwan, has made significant contributions to the field of power supply technology. With a total of four patents to his name, Chang continues to drive innovation in electrical engineering and power efficiency.
Latest Patents: Among his recent inventions, Chang's patented power supply system is particularly notable. This system efficiently drives multiple loads and comprises various components, including a power stage circuit, a pulse width modulation controller, a first isolation transformer, and multiple second transformers along with rectifier circuits. It converts external power signals into alternating current (AC) power signals and further processes them to meet the needs of various loads by rectifying them into direct current (DC) power signals.
Additionally, he has developed a power supply device designed for low standby power consumption. This device transforms input power into usable output and integrates an input unit, a power factor unit, a first electronic switch, and an output unit. The innovative power factor unit includes a power factor correction circuit, which enhances energy efficiency and performance.
Career Highlights: Chang has honed his skills and expertise while working for prominent companies in the industry. He has been associated with Ampower Technology Co., Ltd. and Hon Hai Precision Industry Co., Ltd., where he has played a vital role in advancing technology and product development. His work has positioned him as a key figure in the realm of power management solutions.
Collaborations: During his career, Chang has had the opportunity to collaborate with talented professionals such as Chih-Chan Ger and Chia-Kun Chen. These collaborative efforts have further fueled his passion for innovation and contributed to the success of his projects.
Conclusion: Chih-Chang Chang is a remarkable inventor whose innovative designs and inventions are shaping the future of power supply systems. With a firm commitment to enhancing energy efficiency and an impressive portfolio of patents, Chang is truly a vital asset to the world of electrical engineering and technology. His work exemplifies the importance of continuous innovation in addressing the evolving challenges within the power supply sector.
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.