Tokyo Aircraft Instrument Co., Ltd.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G01L MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE 155
 
  
 
G01M TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR166

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7472586 Flow amount measuring device and method thereforOct 27, 05Jan 06, 09[G01M]
6643023 Method of reducing polarization fluctuation inducing drift in resonator fiber optic gyroAug 07, 01Nov 04, 03[G01L]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5423209 Truncated pyramid-shape multi-hole pitot probe and flight velocity detection system using said truncated pyramid-shape multi-hole pitot probeExpiredMay 25, 94Jun 13, 95[G01C, G01F]
5067704 Double-feed sheet detection apparatusExpiredApr 05, 90Nov 26, 91[B65H]
5052884 Transferring device for semiconductor wafersExpiredOct 13, 89Oct 01, 91[B25J]
5022619 Positioning device of table for semiconductor wafersExpiredOct 26, 89Jun 11, 91[F16M]
5003188 Semiconductor waxer detection systemExpiredOct 18, 89Mar 26, 91[H01J]
4890103 Rate-of-climb indicatorExpiredApr 30, 85Dec 26, 89[G01C]
4682171 Turn-and-bank indicator which displays the total angle or total time of a turnExpiredApr 30, 85Jul 21, 87[G01C]
4483191 Airspeed indicator for low-speed conveyancesExpiredOct 14, 82Nov 20, 84[G01C]
4403512 Servo-type capsule-equipped instrumentExpiredJun 02, 81Sep 13, 83[G01L]
4237819 Image developing machine using magnetic tonerExpiredJun 22, 78Dec 09, 80[G03G]
4222278 Gyro apparatus using viscous damping deviceExpiredApr 06, 78Sep 16, 80[B23P, G01C]

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