Canon Seiki Kabushiki Kaisha

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H02K DYNAMO-ELECTRIC MACHINES 6101
 
  
 
B41J TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS 1101
 
  
 
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
 
  
 
G05B CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS 1100
 
  
 
H01L SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR 1361
 
  
 
H01R ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS 1132
 
  
 
H02N ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR130

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6943481 Vibration member and vibration wave driving apparatusMay 31, 02Sep 13, 05[H01L]
6704038 Light deflecting apparatusSep 20, 01Mar 09, 04[B41J]
6611077 Motor having a commutatorApr 11, 01Aug 26, 03[H02K, H01R]
6593712 Drive control device of vibration wave motorMay 01, 01Jul 15, 03[H02K, H02N]
5548885 Method of manufacturing stator for stepping motorMar 28, 94Aug 27, 96[H02K]
5526560 Method for manufacturing a stator of a stepping motorMar 01, 94Jun 18, 96[H02K]
5291084 Stepping motor having at least one set of asymmetric stator pole teethAug 23, 91Mar 01, 94[H02K]
5155401 Recorder motor with attached encoder and coverMay 31, 91Oct 13, 92[H02K, G05B, G01D]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5101131 Brushless motorExpiredNov 02, 89Mar 31, 92[H02K]
5087497 Electric circuit substrateExpiredJan 25, 90Feb 11, 92[B32B]
4902924 Brushless motorExpiredDec 16, 87Feb 20, 90[H02K]
4888511 MotorExpiredJul 12, 88Dec 19, 89[H02K]
4883996 MotorExpiredMay 18, 88Nov 28, 89[H02K]
4866324 Brushless motorExpiredApr 26, 88Sep 12, 89[H02K]
4825727 Speed reducerExpiredMay 09, 88May 02, 89[F16H]
4749269 Lens drive deviceExpiredAug 04, 86Jun 07, 88[G02B, G03B]
4727413 Image sensing apparatusExpiredJul 23, 85Feb 23, 88[H04N]
4720650 MotorExpiredDec 19, 86Jan 19, 88[H02K]
4693580 MotorExpiredDec 31, 85Sep 15, 87[H02K, G03B, E01D]
4682854 Lens barrel incorporating a motorExpiredJan 02, 85Jul 28, 87[G02B]
4663549 Fan motor with a fan frame formed in part by a portion of a motor baseExpiredJun 18, 85May 05, 87[H02K]
4472665 MotorExpiredAug 24, 82Sep 18, 84[H02K]
4349761 Flat type coreless rotary electric machineExpiredMar 18, 80Sep 14, 82[H02K]
4327304 Winding for small rotary electric double air gap motorExpiredNov 16, 79Apr 27, 82[H02K]
4323806 Miniature rotary electric machineExpiredJul 09, 79Apr 06, 82[H02K]
4237394 Frequency generator and miniature motor provided with the sameExpiredMay 19, 78Dec 02, 80[H02K]

Top Inventors for This Owner

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