Inventor · North Andover, MA, US

Norbert Johnson

153Patents
22h-index
87Co-inventors
93Inventor score

Filing activity: Dec 12, 2002 → Mar 20, 2024

Most-cited inventions

PatentTitleAreaCited byStatus
US7108421B2 Systems and methods for imaging large field-of-view objects Physics 424 Expired
US11317978B2 System for neuronavigation registration and robotic trajectory guidance, robotic surgery, and related methods and devices Human Necessities 287 Active
US9398886B2 Systems and methods for imaging large field-of-view objects Physics 270 Active
US7661881B2 Systems and methods for imaging large field-of-view objects Physics 265 Active
US8678647B2 Systems and methods for imaging large field-of-view objects Physics 259 Active
US10136954B2 Surgical tool systems and method Performing Operations; Transporting 233 Active
US6940941B2 Breakable gantry apparatus for multidimensional x-ray based imaging Human Necessities 174 Expired
US7001045B2 Cantilevered gantry apparatus for x-ray imaging Physics 171 Expired
US7106825B2 Apparatus and method for reconstruction of volumetric images in a divergent scanning computed tomography system Emerging Cross-Sectional Technologies 134 Expired
US7188998B2 Systems and methods for quasi-simultaneous multi-planar x-ray imaging Human Necessities 126 Expired
US7338207B2 Gantry positioning apparatus for X-ray imaging Human Necessities 87 Expired
US11510750B2 Leveraging two-dimensional digital imaging and communication in medicine imagery in three-dimensional extended reality applications Physics 54 Active
US10646283B2 Augmented reality navigation systems for use with robotic surgical systems and methods of their use Human Necessities 41 Active
US11207150B2 Displaying a virtual model of a planned instrument attachment to ensure correct selection of physical instrument attachment Physics 40 Active
US11153555B1 Extended reality headset camera system for computer assisted navigation in surgery Human Necessities 39 Active
US7490982B2 Gantry positioning apparatus for x-ray imaging Human Necessities 35 Expired
US11253216B2 Fixtures for fluoroscopic imaging systems and related navigation systems and methods Human Necessities 30 Active
US10842461B2 Systems and methods of checking registrations for surgical systems Human Necessities 29 Active
US11135015B2 Robot surgical platform Performing Operations; Transporting 28 Active
US10058394B2 Robot arm and methods of use Emerging Cross-Sectional Technologies 26 Active
US8746973B2 Systems and methods for quasi-simultaneous multi-planar x-ray imaging Human Necessities 24 Active
US10799298B2 Robotic fluoroscopic navigation Human Necessities 22 Active
US10758315B2 Method and system for improving 2D-3D registration convergence Physics 20 Active
US11801097B2 Robotic fluoroscopic navigation Human Necessities 17 Active
US8308361B2 Cantilevered gantry apparatus for X-ray imaging Physics 16 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.