Han, Y. (Inventor), Su, X. (Inventor), Dodd, D. (Inventor), Mackie, R. I. (Inventor) & Cann, I. (Inventor), Sep 19 2017, U.S. Patent No. 9765371, Dec 20 2011
Mackie, R. I. (Inventor), Cann, I. (Inventor), Kiyonari, S. (Inventor), Han, Y. (Inventor) & Dodd, D. (Inventor), Apr 21 2015, U.S. Patent No. 9012186, Apr 27 2010