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D. G. Grier, S.-H. Lee, F. C. Cheong, “Tracking and Characterizing Particles with Holographic Video Microscopy,” U. S. Patent 8,791,985, July 2014.

D. G. Grier, K. Xiao, “Sorting Colloidal Particles into Multiple Channels with Optical Forces: Prismatic Optical Fractionation,” U. S. Patent 8,766,169, July 2014.

D. G. Grier, “Holographic Microfabrication and Characterization System for Soft Matter and Biological Systems,” U. S. Patents 8,431,884 and 7,847,238, Apr. 2013.

F. C. Cheong, D. G. Grier, S.-H. Lee, “Holographic Microscopy of Holographically Trapped Three-Dimensional Nanorod Structures,” U. S. Patent 8,331,019, Dec. 2012.

S.-H. Lee, D. G. Grier, “Holographic Microscopy of Holographically Trapped Three-Dimensional Structures,” U. S. Patent 7,839,551, Nov. 2010.

F.C. Cheong, K. Xiao, D. Pine, and D.G. Grier, Method and system for measuring porosity of particles, 9,519,129, Nov. 2011.

Y. Roichman, I. Cholis, and D.G. Grier, Volumetric imaging of holographic optical traps, 7,835,051 and 8,059,321, Oct. 2006.

D.G. Grier, F.C. Cheong and K. Xiao, Automated real-time particle characterization and three-dimensional velocimetry with holographic video microscopy, 9,316,578, Jan. 2010.

H. Shpaisman, B.J. Krishnatreya, D.G. Grier, Holographic microrefractometer for determining refractive index of a medium, 9,188,529, Feb. 2012.

Five additional patent applications submitted.

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