Kabushikikaisha Wacom

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G08C TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS 253
 
  
 
G09G ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION 2149
 
  
 
G01B MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS198
 
  
 
H03K PULSE TECHNIQUE 1130

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
RE39475 Digitizer having flat tablet with magnetic shield plateJun 08, 94Jan 23, 07[G08C]
D466501 Coordinate input device with display unitJan 23, 02Dec 03, 02[1402]
D466114 Coordinate input deviceJan 23, 02Nov 26, 02[1402]
D462686 Computer input deviceJan 23, 02Sep 10, 02[1402]
5608528 Optical position detecting method using asynchronous modulation of light sourceMar 30, 95Mar 04, 97[G01B]
5576735 Coordinates detecting apparatus with display unit of a type having separate control unitMar 10, 94Nov 19, 96[G09G]
5497176 Method of transferring detailed data by tablet driverAug 01, 94Mar 05, 96[G09G]
5444190 Sensing unit for a position detecting apparatus and its manufacturing methodJun 17, 92Aug 22, 95[G08C]
5325398 Pulse count mode communication systemJul 24, 91Jun 28, 94[H03K]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6441362 Stylus for optical digitizerExpiredOct 28, 99Aug 27, 02[G06M]
6100538 Optical digitizer and display means for providing display of indicated positionExpiredFeb 13, 98Aug 08, 00[G01N]
5694203 Distance camera device having light gate for extracting distance informationExpiredJan 31, 95Dec 02, 97[H04N, G01C]
5644126 Manual implement for inputting incremental information by attitude controlExpiredMay 19, 95Jul 01, 97[G01D]
5642164 Light spot position measuring apparatus having orthogonal cylindrical lensesExpiredFeb 21, 95Jun 24, 97[G01B]
5640241 Light spot position measuring method of detecting one-dimensional position by two-dimensional sensorExpiredFeb 21, 95Jun 17, 97[G01B]
5561543 Information input system by attitude detection of manual implementExpiredMay 01, 95Oct 01, 96[H04B]
5548392 Optical position detector having scale pattern spot-illuminated to increase resolutionExpiredJan 31, 95Aug 20, 96[G01J]
5371835 Inductively coupled neural networkExpiredAug 12, 92Dec 06, 94[G06F]
D333133 Stylus for inputting electromagnetic signals into a tabletExpiredSep 06, 89Feb 09, 93[]
5130500 Digitizer having flat tablet with magnetic shield plateExpiredApr 12, 90Jul 14, 92[G08C]
4956526 Digitizer having flat tablet with magnetic shield plateExpiredJul 18, 89Sep 11, 90[G08C]
4832144 Position detectorExpiredMay 23, 88May 23, 89[G08C]

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