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CHANG YUAN-JUNG

Overview
  • Total Patents
    38
About

CHANG YUAN-JUNG has a total of 38 patent applications. Its first patent ever was published in 2004. It filed its patents most often in United States, Germany and United Kingdom. Its main competitors in its focus markets computer technology, electrical machinery and energy and environmental technology are CLIXUP TOUCH BEIJING CO LTD, MOYER WILLIAM C and INST OF COMPUTING TECHNOLOGY O.

Patent filings in countries

World map showing CHANG YUAN-JUNGs patent filings in countries
# Country Total Patents
#1 United States 31
#2 Germany 5
#3 United Kingdom 2

Patent filings per year

Chart showing CHANG YUAN-JUNGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Chang Yuan-Jung 38

Latest patents

Publication Filing date Title
US2012212416A1 External display system for displaying data and visuals of an input operating interface
US2012105329A1 Mouse device with functional turntable
US2011025604A1 System for adjusting a light output of an optical mouse and a mouse thereof
US2009237358A1 Computer mouse and method of dynamical data transmission rate management therefor
US2009091534A1 Mouse with adjustable cable direction
US2008319960A1 Information searching method, information searching system and inputting device thereof
US2008009159A1 Dustproof structure for an electronic apparatus
US2008150896A1 Optical mouse with selectable dual light source device and detection method for the same
US2008136781A1 Dual light sources mouse capable of controlling the on and off state of the second light source
US2008136780A1 Method for generating a laser light detecting signal of an optical mouse
US2008024448A1 Optical mouse having a light-sheltering device
US2007242044A1 Mouse with direction-adjustable connecting wire
US2007243734A1 Mouse with direction-adjustable connecting wire
US2007152971A1 Mouse pen and an optical structure thereof
US2007146327A1 Optical mouse and an optical structure of the optical mouse
US2006261232A1 Wire-winding mouse charger cradle
US2006202961A1 Mouse with adjustable center of gravity
DE102005025445A1 Mouse-assembler-key code table updating method for computer, involves enquiring whether contents of table in mouse are to be updated or not, updating contents of table, and starting use of updated table
DE102005024896A1 Optical mouse, has sensing unit detecting reflected beam of coherent light source or incoherent light source to form sensing signal by analyzing track pattern of mouse during movement over surface
US2006267939A1 Mouse structure for receiving a picture