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USPTO Patent Rankings Data through Sept 30, 2025
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Encai Hao — 12 Patents in 2016

3M: 12 patents #3 of 1,260Top 1%
Woodbury, MN: #3 of 301 inventorsTop 1%
Minnesota: #41 of 6,786 inventorsTop 1%
Overall (2016): #4,691 of 481,213Top 1%
12 Patents 2016

Issued Patents 2016

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
9500888 Electronically switchable privacy device Evan L. Schwartz, Mark J. Pellerite, Michael L. Steiner 2016-11-22
9482807 Optical constructions incorporating a light guide and low refractive index films John A. Wheatley, Tao Liu 2016-11-01
9477354 Conductive trace hiding materials, articles, and methods Abdujabar K. Dire, Albert I. Everaerts, Aya Nakada, Ross E. Behling, Guy D. Joly +1 more 2016-10-25
9464179 Process and apparatus for a nanovoided article William Blake Kolb, Brant U. Kolb, David L. Phillips 2016-10-11
9410677 Light source and display system incorporating same John A. Wheatley, Tao Liu, William Blake Kolb, Michael Benton Free 2016-08-09
9377563 Hardcoats comprising perfluoropolyether polymers with poly(alkylene oxide) repeat units Zai-Ming Qiu, Yu Yang, Thomas P. Klun 2016-06-28
9328265 Nano-porous adhesive tie layer Kurt C. Melancon, Audrey A. Sherman, William Blake Kolb, Robert F. Kamrath, Maureen A. Kavanagh +2 more 2016-05-03
9310527 Antireflective film comprising large particle size fumed silica Jun-Ying Zhang, Robert F. Kamrath, Lan H. Liu, Ming Cheng, Jung-Sheng Wu +3 more 2016-04-12
9291752 Retroreflecting optical construction William D. Coggio, John S. Huizinga, Michael L. Steiner, Robert F. Watkins, William Blake Kolb +7 more 2016-03-22
9289962 Laser-personalizable security articles Kui Chen-Ho, Christopher K. Haas, Douglas S. Dunn, Duane D. Fansler, Jianhui Xia +5 more 2016-03-22
9279918 Gradient low index article and method Adam D. Haag, William F. Edmonds, Jason S. Petaja, Eric W. Nelson, William Blake Kolb +2 more 2016-03-08
9229149 Optical constructions incorporating a light guide and low refractive index films John A. Wheatley, Tao Liu 2016-01-05