Chih-Hui Chang

Title: **Innovations by Inventor Chih-Hui Chang**

Introduction

Chih-Hui Chang, a prolific inventor based in South Burlington, Vermont, has made significant contributions to the field of semiconductor manufacturing through his innovative patent filings. With a total of two patents to his name, Chang has developed groundbreaking methods that enhance production planning in semiconductor foundries, showcasing his expertise and forward-thinking approach in this highly technical field.

Latest Patents

Chang's latest patents reflect his deep understanding of complex production processes. One of his notable inventions is related to **foundry production planning**, where various embodiments include computer-implemented methods of modeling production for a semiconductor foundry. This method intricately involves obtaining a multi-part order containing a first order for a fixed number of preliminary products and a second order for completed products. The process determines the amount of inventory required to fulfill both orders by creating multifaceted models that utilize linear programming techniques.

The second patent details a method for **planning production for complementary demands**. This innovation involves obtaining complementary demand values, such as daily going rate (DGR) demand and service demand. The inventive process includes running two distinct planning production models to optimize inventory and productivity, ensuring that demands considered complementary are effectively addressed.

Career Highlights

Chih-Hui Chang's career stands out not only for his inventive accomplishments but also for his association with prominent companies in the technological landscape. He has worked with **IBM** and **Globalfoundries Inc.**, where he played a key role in developing solutions that streamline semiconductor manufacturing processes. His career has been marked by a commitment to innovation and a dedication to improving production efficiency.

Collaborations

Collaboration has been a significant aspect of Chang's career. He has worked alongside esteemed colleagues, including Brian Trevor Denton and Sanjay R Hegde. These collaborative efforts have contributed to the effective development and realization of his inventive concepts, fostering an environment of shared expertise.

Conclusion

Chih-Hui Chang's contributions to the semiconductor industry through his patents showcase his innovative spirit and technical prowess. His work in production planning and inventory management highlights the importance of strategic advancements in manufacturing processes. As the industry evolves, Chang’s inventions will undoubtedly play a crucial role in shaping the future of semiconductor production.