EJT TECHNOLOGIES INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G09G ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION 5146
 
  
 
B41J TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS 498
 
  
 
H01H ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES 490
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 3444
 
  
 
F16F SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION158
 
  
 
G01D MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED BY A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR 159
 
  
 
G06K RECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS 1197
 
  
 
G08C TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS 154
 
  
 
G11C STATIC STORES 1150
 
  
 
H03M CODING, DECODING OR CODE CONVERSION, IN GENERAL 1110

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
D481733 Hand held keyboardAug 27, 02Nov 04, 03[1402]
6615283 Keyboard systemJan 07, 00Sep 02, 03[G06F]
D444151 ReceiverSep 29, 99Jun 26, 01[1402]
6223295 Means for saving electrical powerJul 16, 98Apr 24, 01[G06F]
6160233 Key structure of computer keyboardDec 18, 98Dec 12, 00[H01H]
D429726 KeyboardSep 29, 99Aug 22, 00[1402]
6091036 Keyswitch for computer keyboardsOct 18, 99Jul 18, 00[H01H]
6004051 Key structure of computer keyboardDec 18, 98Dec 21, 99[H01H]
5997196 Key structure of computer keyboardDec 18, 98Dec 07, 99[B41J]
D414169 KeyboardJul 01, 98Sep 21, 99[1402]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7486500 Assembly structure for assembling a first plastic shell and a second plastic shellExpiredDec 13, 04Feb 03, 09[G06F, H05K]
2008/0198,134 Wireless device and power-saving device thereofAbandonedAug 14, 07Aug 21, 08[G06F]
7099692 Infrared transceiver module for a wider working rangeExpiredMay 22, 03Aug 29, 06[H04B]
7088337 Input device for alarming excessive striking forceExpiredMay 22, 03Aug 08, 06[G09G]
7065322 Wireless communication apparatus with built-in terminal hubExpiredAug 03, 01Jun 20, 06[H04B]
6781525 Shared interface deviceExpiredOct 23, 01Aug 24, 04[H03K, H03M]
6760773 Infrared transmission codes for wireless keyboard and PC remote controllerExpiredJul 31, 00Jul 06, 04[G06F]
6753764 Burglarproof and event-recording apparatus for vehicle and method for the sameExpiredApr 30, 02Jun 22, 04[B60R]
6731214 Searching systemExpiredJun 28, 02May 04, 04[G08B]
6686903 Wireless mouse capable of generating and accumulating electrical energyExpiredJul 28, 00Feb 03, 04[G09G]
6642858 Apparatus for inputting opening and closing parentheses simultaneously by single keystroke and method for the sameExpiredApr 30, 02Nov 04, 03[H03K]
6632039 Keycap assemblyExpiredJul 18, 01Oct 14, 03[B41J]
6558057 Keyboard having a protective lidExpiredJul 03, 01May 06, 03[B41J]
6542092 Keyboard with multiple input/output functionExpiredMar 06, 00Apr 01, 03[H03K]
6529145 Keyboard with interchangeable connection function and hot keysExpiredDec 16, 99Mar 04, 03[H03K]
6399888 Buffering and supporting device for a circuit boardExpiredOct 26, 00Jun 04, 02[H01B]
6373471 Keyboard with interchangeable connection functionExpiredDec 16, 99Apr 16, 02[G09G]
6310289 Cable fastening deviceExpiredOct 25, 99Oct 30, 01[H02G]
6293819 Battery stage moduleExpiredMay 02, 00Sep 25, 01[H01R]
6204462 Stable keyswitchExpiredMar 28, 00Mar 20, 01[H01H]

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Top Inventors for This Owner

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