Location History:
- Kwei-Shan, TW (2008)
- Tao-Yuan, TW (2007 - 2009)
- Taichung County, TW (2009)
Company Filing History:
Years Active: 2007-2009
Title: Innovations of Chao-Kai Chang
Introduction
Chao-Kai Chang is a prominent inventor based in Tao-Yuan, Taiwan. He has made significant contributions to the field of VLSI design, holding a total of 4 patents. His work focuses on optimizing digital synchronous systems, which is crucial for enhancing the performance of modern electronic devices.
Latest Patents
One of his latest patents is titled "Method of designing a synchronous circuit of VLSI for clock skew scheduling and optimization." This innovative method aims to optimize the skew of a digital synchronous VLSI system by formulating the issue of skew optimization into a quadratic equation programming problem. To estimate reliability, a quadratic equation cost function is utilized to analyze the ideal value of skew and the error between feasible solutions. During operation, several algorithms are employed to accelerate the process and reduce complexity, with ISCAS'89 serving as a testing circuit.
Another notable patent is "Multi-point model reductions of VLSI interconnects using the rational Arnoldi method with adaptive orders." This model reduction method applies the rational Arnoldi method with adaptive orders (RAMAO) to high-speed VLSI interconnect models. The approach extends the classical multi-point Pade approximation, utilizing the rational Arnoldi iteration. An exact expression for the error between the output moment of the original system and that of the reduced-order system is derived, allowing for the selection of the expansion frequency that maximizes output moment improvement.
Career Highlights
Chao-Kai Chang is affiliated with Chang Gung University, where he continues to advance research in VLSI design and optimization. His academic background and ongoing research contribute to the development of innovative solutions in the field.
Collaborations
He has collaborated with notable colleagues such as Chia-Chi Chu and Wu-Shiung Feng, further enhancing the impact of his work in the industry.
Conclusion
Chao-Kai Chang's contributions to VLSI design through his patents and collaborations highlight his role as an influential inventor in the field. His innovative methods continue to shape the future of digital synchronous systems.