1
Brian Hoffman
Jay J Brandinger, Brian D Hoffman, Edward T Polkowski: Laser method for shaping of optical lenses. Westar Photonics, Richard C Woodbridge Esq, Woodbridge & Associates P C, May 20, 2003: US06566627 (27 worldwide citation)

A method for making accurate and precise customized corrections to the surface of an optical lens is described. An electronic correction contour is generated from a measured refractive correction for a patient, and transferred to the surface of the lens by ablation etching with one or more laser pul ...


2
Brian Hoffman
Jay J Brandinger, Brian D Hoffman, Edward T Polkowski: Laser beam shaping device and apparatus for material machining. Westar Photonics, Richard C Woodbridge, Woodbridge & Associates PC, August 12, 2003: US06605796 (22 worldwide citation)

A programmable apparatus for laser beam shaping including a preprogrammable mircomirror array produces a spatial energy distribution suitable for accurately and rapidly marking, machining and processing materials. The preprogrammed micromirror array redistributes the laser output beam energy to prod ...


3
Brian Hoffman
Jay J Brandinger, Brian D Hoffman, Edward T Polkowski: Modulation of laser energy with a predefined pattern. Westar Photonics, Richard C Woodbridge Esq, Woodbridge & Associates PC, August 12, 2003: US06605799 (3 worldwide citation)

A laser machining device is capable of simultaneously machining two- or three dimentional patterns on the surface of a workpiece. A micromirror array positioned within a laser cavity generates a patterned plurality of laser beamlets which can be homogenized and deflected by a second micromirror arra ...


4
Brian Hoffman
David Q Larkin, Brian D Hoffman, Paul W Mohr: Synthetic representation of a surgical instrument. Intuitive Surgical, Patent Dept, Intuitive Surgical, July 30, 2009: US20090192523-A1

A synthetic representation of a tool for display on a user interface of a robotic system. The synthetic representation may be used to show force on the tool, an actual position of the tool, or to show the location of the tool when out of a field of view. A three-dimensional pointer is also provided ...


5
Brian Hoffman
Jay J Brandinger, Brian D Hoffman, Edward T Polkowski: Laser beam shaping device and apparatus for material machining. Woodbridge & Associates PC, January 24, 2002: US20020008091-A1

A programmable apparatus for laser beam shaping including a preprogrammable mircomirror array produces a spatial energy distribution suitable for accurately and rapidly marking, machining and processing materials. The preprogrammed micromirror array redistributes the laser output beam energy to prod ...


6
Brian Hoffman
Wenyi Zhao, Christopher J Hasser, William C Nowlin, Brian D Hoffman: Methods and systems for robotic instrument tool tracking. Intuitive Surgical, Intellectual Property Dept, Intutive Surgical, April 2, 2009: US20090088897-A1

In one embodiment of the invention, a method for a robotic system is disclosed to track one or more robotic instruments. The method includes generating kinematics information for the robotic instrument within a field of view of a camera; capturing image information in the field of view of the camera ...


7
Brian Hoffman
Jay J Brandinger, Brian D Hoffman, Edward T Polkowski: Modulation of laser energy with a predefined pattern. Woodbridge & Associates PC, November 29, 2001: US20010045418-A1

A laser machining device is capable of simultaneously machining two- or three dimentional patterns on the surface of a workpiece. A micromirror array positioned within a laser cavity generates a patterned plurality of laser beamlets which can be homogenized and deflected by a second micromirror arra ...


8
Brian Hoffman
Wenyi Zhao, Christopher J Hasser, William C Nowlin, Brian D Hoffman: Methods of locating and tracking robotic instruments in robotic surgical systems. Intuitive Surgical, Intellectual Property Dept, Intutive Surgical, April 2, 2009: US20090088773-A1

In one embodiment of the invention, a method is disclosed to locate a robotic instrument in the field of view of a camera. The method includes capturing sequential images in a field of view of a camera. The sequential images are correlated between successive views. The method further includes receiv ...


9
Brian Hoffman
Wenyi Zhao, Christopher J Hasser, William C Nowlin, Brian D Hoffman: Tool tracking systems and methods for image guided surgery. Intuitive Surgical, Intellectual Property Dept, Intutive Surgical, April 2, 2009: US20090088634-A1

In one embodiment of the invention, a tool tracking system is disclosed including a computer usable medium having computer readable program code to receive images of video frames from at least one camera and to perform image matching of a robotic instrument to determine video pose information of the ...


10
Brian Hoffman
Wenyi Zhao, Chenyu Wu, David Hirvonen, Tao Zhao, Brian D Hoffman, Simon Dimaio: Robust sparse image matching for robotic surgery. Intuitive Surgical, Patent Dept, Intuitive Surgical Operations, July 1, 2010: US20100166323-A1

Systems, methods, and devices are used to match images. Points of interest from a first image are identified for matching to a second image. In response to the identified points of interest, regions and features can be identified and used to match the points of interest to a corresponding second ima ...



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