This inventor holds 7 USPTO granted patents and 4 published patent applications and 1 EPO patent. Top assignees: Arizona State University, University of Illinois, Other. Active years: 2011-2025.
Location History:
- Savoy, IL (US) (2011 - 2015)
- Gilbert, AZ (US) (2020)
- Tempe, AZ (US) (2021 - 2023)
Company Filing History:


Years Active: 2011-2025
Title: Innovations by Keng Hao Hsu
Introduction
Keng Hao Hsu is a notable inventor based in Savoy, IL (US). He has made significant contributions to the field of additive manufacturing, holding a total of 7 patents. His work focuses on enhancing material flow and fusioning techniques, which have the potential to revolutionize 3-D printing processes.
Latest Patents
Hsu's latest patents include groundbreaking systems and methods for additive manufacturing utilizing localized ultrasound-enhanced material flow and fusioning. This innovative approach allows for room-temperature 3-D printing of solid metal materials with over 95% density. By applying a vibrating tool to a metal filament, Hsu's method induces mechanical deformation and facilitates inter- and intra-layer mass transport, enabling the construction of desired structures on a voxel-by-voxel basis. Additionally, by varying the applied ultrasonic energy, the microstructure of the resulting structure can be controlled. Another significant patent involves laser surface healing systems and methods, which utilize laser heating to improve the surface finish, dimensional tolerance, and material strength of objects constructed via fused filament fabrication.
Career Highlights
Throughout his career, Hsu has worked with prestigious institutions such as Arizona State University and the University of Illinois. His research and innovations have garnered attention in the field of additive manufacturing, showcasing his expertise and commitment to advancing technology.
Collaborations
Hsu has collaborated with various professionals in his field, including his coworker Placid M Ferreira. Their joint efforts have contributed to the development of innovative solutions in additive manufacturing.
Conclusion
Keng Hao Hsu's contributions to the field of additive manufacturing are noteworthy, with his innovative patents paving the way for advancements in 3-D printing technology. His work continues to inspire future developments in the industry.