Company Filing History:
1 out of 59 
1 out of 1,056 
1 out of 40,635 
Years Active: 2007-2016
Title: Innovations of Inventor Yun Chen Chang
Introduction
Yun Chen Chang is a notable inventor based in Tainan, Taiwan. He has made significant contributions to the field of technology, particularly in the areas of image processing and metal deposition methods. With a total of 2 patents, his work reflects a commitment to advancing innovation.
Latest Patents
One of his latest patents is the "Auto-contrast enhancement system." This system includes a human visual system (HVS)-based local difference (LD) histogram unit that builds a LD histogram with respect to intensity values. It also features a histogram classifier that categorizes histograms of input images based on distribution properties. Additionally, a histogram equalization (HE) unit processes the input image according to the results of the HVS-based LD histogram unit and the enhancement level determined in the histogram classifier.
Another significant patent is the "Low temperature method for metal deposition." This novel method is suitable for depositing a metal film on a substrate, particularly in the fabrication of metal-insulator-metal (MIM) capacitors. The method involves depositing a metal film at a temperature of less than typically about 270 degrees Celsius. The resulting metal film is characterized by enhanced thickness uniformity and reduced grain agglomeration, which improves the operational integrity of capacitors and other devices.
Career Highlights
Yun Chen Chang has worked with reputable organizations, including the National Cheng Kung University (NCKU) Research and Development Foundation and Himax Technologies, Inc. His experience in these companies has contributed to his expertise and innovative capabilities.
Collaborations
He has collaborated with notable colleagues such as Ming-Der Shieh and Der-Wei Yang, further enhancing his contributions to the field.
Conclusion
Yun Chen Chang's innovative patents and career achievements highlight his significant role in advancing technology. His work continues to influence the fields of image processing and metal deposition, showcasing the importance of innovation in modern applications.
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.