17th Annual Distinguished Alumni Award (Academic Category), National Taiwan University, Taiwan (2022)
Distinguished Service Alumni Award, College of Engineering, University of Illinois at Urbana-Champaign, Illinois, USA (2017)
Life Fellow, Institute of Electrical and Electronic Engineers, USA (2015)
German-Taiwanese Friendship Medal, German Institute Taipei, Germany (2014)
Illini Comeback Guest Award, University of Illinois at Urbana-Champaign, Illinois, USA (2014)
Distinguished Alumni Educator Award, Dept. CS, University of Illinois at Urbana-Champaign, Illinois, USA (2014)
Ambassador Scientist, Alexander von Humboldt Foundation, Germany (2010–2016)
Member - Engineering Sciences, The World Academy of Sciences (TWAS), Mexico City, Mexico (2008)
Bronze Science Medal, National Science Council, Taiwan (2008)
Humboldt Research Award, Alexander von Humboldt Foundation, Germany (2007)
Academician, Academia Sinica, Taiwan (2004)
Information Science Honorary Medal, Institute of Information and Computing Machinery, Taiwan (2002)
Outstanding Information Science Specialist Award IT Month, Taiwan (2002)
Outstanding Research Award for contributions to computational geometry and its applications to VLSI circuit layout, routing, and manufacturing, Pan Wen-Yuan Foundation, Taiwan (2001)
Fellow, Association for Computing Machinery, USA (1997)
Fellow, Institute of Electrical and Electronic Engineers, USA (1992)
