From left: Charles Christoffer, Genki Terashi and Daisuke Kihara of Purdue University launched the high-tech software startup Molecular Intelligence to determine 3D structures of biomolecules.

If you ask any Hongkonger for sushi recommendations, chances are that they’ll tell you to stop by a Genki. While there are many other chains fighting for supremacy in the city’s already-crowde ...