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NORTHERN DIGITAL INC

Overview
  • Total Patents
    88
  • GoodIP Patent Rank
    98,794
  • Filing trend
    ⇧ 700.0%
About

NORTHERN DIGITAL INC has a total of 88 patent applications. It increased the IP activity by 700.0%. Its first patent ever was published in 1996. It filed its patents most often in United States, EPO (European Patent Office) and Canada. Its main competitors in its focus markets medical technology, measurement and optics are LILY MEDTECH INC, BEIJING EAST WHALE IMAGE TECHNOLOGY CO LTD and BUMAR ELEKTRONIKA SPÓŁKA AKCYJNA.

Patent filings per year

Chart showing NORTHERN DIGITAL INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kirsch Stefan R 31
#2 Leis Stephen Eldon 13
#3 Brunner Georg 12
#4 Nieminen John M 12
#5 Schilling Christian J 10
#6 Mikuszeit Nikolai 8
#7 Seiler Paul G 7
#8 Schild Hans R 7
#9 Schilling Christian 7
#10 Schneider Mark Robert 6

Latest patents

Publication Filing date Title
US10539644B1 Tracking an object in an electromagnetic field
US2020221612A1 Self-Contained Electromagnetic Tracking Unit
US2019046273A1 Tracking a cylindrical opening
US2019046274A1 Tracking a sensor that includes a ferrofluid
DE102013220466A1 Method for manufacturing force platform that is used by researchers to determine relationship between reaction forces and three-dimensional movement coordinates, involves installing indicators or marks on force platform
US2014102167A1 Force platform
CN104244816A Tracking a guidewire
CA2739030A1 Establishing coordinate systems for measurement
CA2733621A1 Multi-field magnetic tracking
US2008107305A1 Integrated mapping system
CN101379412A Retroreflective marker-tracking systems
US7783441B2 Eddy current detection and compensation
US6836745B2 Method for determining the position of a sensor element
US6625563B2 Gain factor and position determination system
US2002052546A1 Flexible instrument with optical sensors
CA2394732A1 Reflector system for determining position
US6553326B1 Errors in systems using magnetic fields to locate objects
CA2399223A1 Device for determining the position of body parts and use of the device
EP1158924A1 Active instrument for determining a position in navigation systems for assisting surgical interventions
US6288785B1 System for determining spatial position and/or orientation of one or more objects