1
David G Grier, Marco Polin, Sang Hyuk Lee, Yael Roichman, Kosta Ladavac: Manipulation of objects in potential energy landscapes. New York University, Foley & Lardner, January 6, 2009: US07473890 (66 worldwide citation)

Holographic optical traps using the forces exerted by computer-generated holograms to trap, move and otherwise transform mesoscopically textured materials. The efficacy of the present invention is based upon the quality and nature of the diffractive optical element used to create the traps and dynam ...


2
Li Jiang, Oliver C Mullins, Gale H Gustavson, Christopher Harrison, Bhavani Raghuraman, Ronald E G Van Hal, Jimmy Lawrence, Kosta Ladavac, A Ballard Andrews, Timothy Gareth John Jones, Rogerio Tadeu Ramos: Downhole spectroscopic hydrogen sulfide detection. Schlumberger Technology Corporation, James McAleenan, Helene Raybaud, Brigid Laffey, June 14, 2011: US07959864 (8 worldwide citation)

Methods and related apparatuses and mixtures are described for detecting hydrogen sulfide in a formation fluid downhole. A detection mixture is combined with the formation fluid downhole. The detection mixture includes metal ions for reacting with hydrogen sulfide forming a metal sulfide, and charge ...


3
Li Jiang, Oliver C Mullins, Gale H Gustavson, Christopher Harrison, Bhavani Raghuraman, Ronald E G Van Hal, Jimmy Lawrence, Kosta Ladavac, Albert Ballard Andrews, Timothy Gareth John Jones, Rogerio Tadeu Ramos: Downhole spectroscopic hydrogen sulfide detection. Schlumberger Technology Corporation, Rachel E Greene, Brigid Laffey, November 15, 2011: US08058071 (6 worldwide citation)

Methods and related apparatuses and mixtures are described for detecting hydrogen sulfide in a formation fluid downhole. A detection mixture is combined with the formation fluid downhole. The detection mixture includes metal ions for reacting with hydrogen sulfide forming a metal sulfide, and charge ...


4
Li Jiang, Oliver C Mullins, Gale H Gustavson, Christopher Harrison, Bhavani Raghuraman, Ronald E G Van Hal, Jimmy Lawrence, Kosta Ladavac, Albert Ballard Andrews, Timothy Gareth John Jones, Rogerio Tadeu Ramos: Downhole spectroscopic hydrogen sulfide detection. Schlumberger Technology Corporation, Jakub Michna, Rachel E Greene, Bridget Laffey, August 27, 2013: US08518702 (4 worldwide citation)

Methods and related apparatuses and mixtures are described for detecting hydrogen sulfide in a formation fluid downhole. A detection mixture is combined with the formation fluid downhole. The detection mixture includes metal ions for reacting with hydrogen sulfide forming a metal sulfide, and charge ...


5
David G Grier, Kosta Ladavac, Joy M Barker: System and method for holographic optic trap bonding. The United States of America represented by the Secretary of Commerce The National Institute of Standards & Technology, New York University, Foley & Lardner, March 16, 2010: US07678222 (3 worldwide citation)

A system and method for bonding and unbonding of small objects using small adhesive particles. The system and method includes the use of a plurality of optical tweezers to manipulate objects to be bonded and adhesive particles suspended in a fluid. The objects to be bonded (or unbonded) and the adhe ...


6
David G Grier, Ritesh Agarwal, Guihua Yu, Charles M Lieber, Kosta Ladavac, Yael Roichman: System and method for processing nanowires with holographic optical tweezers. New York University, Harvard University, Foley & Lardner, August 10, 2010: US07772543 (1 worldwide citation)

A system and method for manipulating and processing nanowires in solution with arrays of holographic optical traps. The system and method of the present invention is capable of creating hundreds of individually controlled optical traps with the ability to manipulate objects in three dimensions. Indi ...


7
Stephen J Telfer, Stephen Bull, Alain Bouchard, Craig A Herb, Kosta Ladavac, Ana L Lattes, Jennifer M Morrison, Richard J Paolini Jr, Michael Thomas Regan, Luke M Slominski, Lee Yezek, Kenneth R Crounse, J Ryan Kruse, Christopher L Hoogeboom, Jason D Feick, David Darrell Miller: Reverse driving pulses in electrophoretic displays. E Ink Corporation, Brian D Bean, July 4, 2017: US09697778

An electrophoretic medium comprises a fluid and at least one species of particles disposed, When a first addressing impulse is applied to the medium, the first species of particles move in one direction relative to the electric field, but when a second addressing impulse, larger than the first addre ...


8
Stephen J Telfer, Stephen Bull, Jennifer M Morrison, Luke M Slominski, David Darrell Miller, Olga Vladimirovna Barykina Tassa, Lee Yezek, Brandon MaCDonald, Kosta Ladavac, Craig A Herb: Colored electrophoretic displays. E Ink Corporation, Antranig Baronian, March 20, 2018: US09921451

An electrophoretic medium comprises a fluid, a first, light scattering particle (typically white) and second, third and fourth particles having three subtractive primary colors (typically magenta, cyan and yellow); at least two of these colored particles being non-light scattering. The first and sec ...


9
Stephen J Telfer, Richard J Paolini Jr, Stephen Bull, Joshua A Ritchey, Kosta Ladavac, Lee Yezek, Craig A Herb, Peter Carsten Bailey Widger: Nano-particle based variable transmission devices. E Ink Corporation, Brian D Bean, April 24, 2018: US09953588

A variable transmission medium comprises a fluid and a plurality of nanoparticles dispersed in the fluid, wherein addition of acid to the fluid causes the nanoparticles to flocculate and form aggregates of particles that scatter light. The nanoparticles may comprise at least one metal oxide, such as ...


10
David G Grier, Marco Polin, Sang Hyuk Lee, Yael Roichman, Kosta Ladavac: Manipulation of objects in potential energy landscapes. New York University, Foley & Lardner, August 6, 2013: US08502132

A method for manipulating a plurality of objects. The method includes the steps of providing a shaping source, applying the shaping source to create a spatially symmetric potential energy landscape, applying the potential energy landscape to a plurality of objects, thereby trapping at least a portio ...