CANON PRECISION INC.

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Technologies

Intl Class Technology Matters Rank in Class
 
  
 
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 852
 
  
 
H02K DYNAMO-ELECTRIC MACHINES 7100
 
  
 
H02N ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR328
 
  
 
H04N PICTORIAL COMMUNICATION, e.g. TELEVISION 2240
 
  
 
B25J MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES 157
 
  
 
B41J TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS 1101
 
  
 
G01P MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT 156
 
  
 
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

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9534935 EncoderFeb 11, 15Jan 03, 17[G01D]
9476737 Encoder, apparatus including the encoder, encoder calculation method and storage medium storing encoder calculation programNov 25, 14Oct 25, 16[G01D]
8836321 Motor speed detection apparatus and motor control apparatusJul 17, 12Sep 16, 14[G01P]
8754598 Motor drive apparatus for brushless motorMar 09, 12Jun 17, 14[H02P]
8487237 Rotary encoder and method of assembling the sameMar 17, 11Jul 16, 13[G01D]
8217598 Method of driving vibration wave motor and device for driving the sameFeb 22, 10Jul 10, 12[H02N]
8004132 Coreless motorMay 12, 09Aug 23, 11[H02K]
7626633 Two-axial rotational driving apparatus and driven member rotation control systemJun 29, 04Dec 01, 09[H04N]
6943481 Vibration member and vibration wave driving apparatusMay 31, 02Sep 13, 05[H01L]
6809460 Position control apparatus and method for table memberJul 16, 02Oct 26, 04[H02N]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2005/0005,722 Positioning deviceAbandonedJul 01, 04Jan 13, 05[F16H]
5101131 Brushless motorExpiredNov 02, 89Mar 31, 92[H02K]
5087497 Electric circuit substrateExpiredJan 25, 90Feb 11, 92[B32B]
4963808 Motor control apparatusExpiredAug 30, 89Oct 16, 90[G05B]
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]
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]
4639084 Lens barrel in which motor capable of selecting stepping drive or brushless drive is providedExpiredDec 26, 84Jan 27, 87[H02K, G02B]

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