TOYO COMMUNICATION EQUIPMENT CO., LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H01L SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR 2360
 
  
 
H03H IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS 170

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5235240 Electrodes and their lead structures of an ultrathin piezoelectric resonatorJan 24, 92Aug 10, 93[H01L]
5218328 Structure for a resonator using an ultrathin piezoelectric substrateOct 07, 91Jun 08, 93[H03H]
5185550 Structure for supporting a resonator using an ultrathin piezoelectric plate in a packageOct 09, 91Feb 09, 93[H01L]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2008/0149,160 Photovoltaic Cell Based on Vectorial Electron TransferAbandonedAug 18, 05Jun 26, 08[C23C, H01L, B05D]
2007/0018,539 Piezoelectric deviceAbandonedMay 26, 04Jan 25, 07[H01L]
2006/0162,435 Quartz type pressure sensor, and production method thereforAbandonedJul 02, 04Jul 27, 06[G01M]
2005/0062,916 Laminated phase plate and optical pickup using thereofAbandonedMay 25, 04Mar 24, 05[G02F]
6138134 Computational method and apparatus for finite field multiplicationExpiredSep 21, 98Oct 24, 00[G06F]
6114801 At-cut crystal resonatorExpiredDec 14, 98Sep 05, 00[H01L]
6111341 Piezoelectric vibrator and method for manufacturing the sameExpiredOct 23, 98Aug 29, 00[H01L]
5771249 ATM cell synchronous systemExpiredSep 05, 95Jun 23, 98[H04L, H03M]
5764876 Method and device for detecting a cyclic codeExpiredAug 28, 95Jun 09, 98[H03M]
5719782 Frequency measuring apparatus and frequency measuring methodExpiredJun 07, 95Feb 17, 98[H03L, H03B]
5619527 Chip-based selective receiving system for a spread spectrum signalExpiredFeb 10, 95Apr 08, 97[H04B]
5542518 Method of identifying the denominations of pieces of paperExpiredMay 24, 95Aug 06, 96[G07D, G06K]
5446244 Printed wiring patternExpiredDec 12, 90Aug 29, 95[B23K]
D359616 Beeper holderExpiredApr 01, 94Jun 27, 95[]
D359736 BeeperExpiredMar 25, 94Jun 27, 95[]
5398931 Automated dispensing apparatus for flat paper objectExpiredDec 16, 93Mar 21, 95[B65H]
5307034 Ultrathin multimode quartz crystal filter elementExpiredJan 24, 92Apr 26, 94[H03H]
5216435 Array antenna power supply system having power supply lines secured in a cylinder by adhesiveExpiredJun 18, 90Jun 01, 93[H01P, H01Q]
5065088 Current sensor circuitExpiredJun 26, 90Nov 12, 91[H04B, G01R]
5029092 Device of suppressing incorrect alarms for use in a collision avoidance system installed in an airplaneExpiredMay 16, 89Jul 02, 91[G06F]

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