Kabushiki Kaisha Daini Seikosha

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G04C ELECTROMECHANICAL CLOCKS OR WATCHES 118

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
RE31401 Electronic timepieceMar 04, 81Oct 04, 83[G04C]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2009/0108,066 OPTICAL SYSTEM FOR BARCODE SCANNERAbandonedDec 30, 08Apr 30, 09[G06K]
RE33040 Electrochromic display deviceExpiredMay 28, 87Aug 29, 89[C09K, G02F]
4794433 Non-volatile semiconductor memory with non-uniform gate insulatorExpiredFeb 19, 86Dec 27, 88[H01L]
4771202 Tuning fork resonatorExpiredApr 18, 83Sep 13, 88[H01L]
4715384 PulsimeterExpiredFeb 02, 83Dec 29, 87[A61B]
4707145 Electronic timepieceExpiredDec 15, 78Nov 17, 87[G04B]
4692881 Device for discriminating attitude of partsExpiredOct 07, 86Sep 08, 87[G06F]
4680580 Active matrix-addressed liquid-crystal display deviceExpiredFeb 18, 83Jul 14, 87[G09G]
4643530 Reflective, thin film transistor addressed, matrix liquid crystal displayExpiredMay 25, 83Feb 17, 87[G02F]
4638704 Press device having means to enable ram and bolster to be removed as a unitExpiredSep 01, 83Jan 27, 87[B26F]
4639755 Thermosensitive semiconductor device using Darlington circuitExpiredAug 31, 82Jan 27, 87[H01L]
4638247 Integrated circuit for converting a drive signal of three or more voltage levels to two voltage levelsExpiredSep 15, 82Jan 20, 87[G01R]
4635089 MIS-integrated semiconductor deviceExpiredFeb 19, 86Jan 06, 87[H01L]
4633124 Mount for quartz crystal resonatorExpiredMar 15, 83Dec 30, 86[H01L]
4618837 Low-power consumption reference pulse generatorExpiredJun 29, 82Oct 21, 86[H03B]
4616340 Non-volatile semiconductor memoryExpiredSep 30, 82Oct 07, 86[G11C]
4566847 Industrial robotExpiredFeb 28, 83Jan 28, 86[B25J]
4553850 Logical regulation circuit for an electronic timepieceExpiredMar 15, 83Nov 19, 85[G04B]
4551031 Electronic clinical thermometerExpiredMay 25, 83Nov 05, 85[G01K, H03B]
4547340 Automatic extractorExpiredJul 19, 83Oct 15, 85[G01N]

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