Inventor
JOHNSEN WILLIAM
US4 patents
Patents
4 patentsUS9384528B2Jul 5, 2016
Image annotation using a haptic plane
ECHOPIXEL INC11 citations81
US10755378B2Aug 25, 2020
Multi-point annotation using a haptic plane
ECHOPIXEL INC2 citations70
US10078885B2Sep 18, 2018
Image annotation using a haptic plane
ECHOPIXEL INC4 citations70
US10755379B2Aug 25, 2020
Multi-point annotation using a haptic plane
ECHOPIXEL INC0 citations38