EPSON TOYOCOM CORPORATION

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G01S RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES1108
 
  
 
G05F SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES 199
 
  
 
H03M CODING, DECODING OR CODE CONVERSION, IN GENERAL 1110
 
  
 
H04B TRANSMISSION 1209
 
  
 
H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION 1284

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7005834 Synchronous rectifier circuit and power supplyJul 02, 04Feb 28, 06[G05F]
6946983 Digital-to-analog converter having error correctionOct 25, 04Sep 20, 05[H03M]
5794126 Emergency positioning indicating radio buoy having a thermally insulated frequency standardOct 19, 95Aug 11, 98[H04B]
D389828 Portable telephoneFeb 21, 97Jan 27, 98[1403]
5602879 Clock recovering circuit for digital demodulatorJul 26, 94Feb 11, 97[H04L]
RE32368 Collision avoidance system for aircraftJun 14, 84Mar 10, 87[G01S]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2010/0289,379 SURFACE ACOUSTIC WAVE (SAW) DEVICEAbandonedAug 02, 10Nov 18, 10[H01L]
2009/0276,990 Piezoelectric resonator for oscillator and surface mount type piezoelectric oscillatorAbandonedJul 15, 09Nov 12, 09[H01L, H05K]
7518297 Piezoelectric deviceWithdrawnNov 06, 07Apr 14, 09[H01L, H03H]
2009/0051,244 Surface Acoustic Wave (SAW) DeviceAbandonedJun 28, 06Feb 26, 09[H01L]
2009/0015,106 Piezoelectric deviceAbandonedMar 22, 07Jan 15, 09[H01L]
2009/0015,341 Piezoelectric oscillatorAbandonedOct 12, 05Jan 15, 09[H03B]
7443086 Piezoelectric deviceWithdrawnNov 06, 07Oct 28, 08[H03H]
2008/0211,350 PIEZOELECTRIC RESONATOR ELEMENT AND PIEZOELECTRIC DEVICEAbandonedAug 17, 07Sep 04, 08[H01L, H03H]
2008/0084,134 Surface acoustic wave deviceAbandonedNov 29, 07Apr 10, 08[H01L, H03H]
2008/0061,898 SC cut crystal unit and highly stable crystal oscillatorAbandonedAug 27, 07Mar 13, 08[H01L, H03B]
2008/0007,370 Balanced Surface Acoustic Wave FilterAbandonedApr 12, 05Jan 10, 08[H03H]
2007/0298,540 Dicing and Packing Metod of Sheet-Like Wafer, Packed Product of Water, and Separation JigAbandonedAug 30, 05Dec 27, 07[H01L, B23P]
2007/0211,338 Polarization conversion element and method for manufacturing polarization conversion elementAbandonedMar 05, 07Sep 13, 07[G02B]
2007/0211,339 Polarized light splitting device and method for manufacturing the sameAbandonedMar 06, 07Sep 13, 07[G02B]
2007/0211,344 Half mirrorAbandonedMar 01, 07Sep 13, 07[G02B]
2007/0211,358 Total reflection mirrorAbandonedMar 01, 07Sep 13, 07[G02B]
2007/0188,055 Piezoelectric resonator element and piezoelectric deviceAbandonedJan 25, 07Aug 16, 07[H03H]
2007/0183,297 Compositive wave plateAbandonedApr 15, 04Aug 09, 07[G11B]
7245650 CDMA communications system using multiple spreading sequencesExpiredMar 07, 02Jul 17, 07[H04B]
2007/0146,868 Broadband antireflection coatingAbandonedDec 22, 06Jun 28, 07[F21V]

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