Teiryo Sangyo Co., Ltd.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G06K RECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS 5193

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5481101 Two dimensional code data reading apparatus and methodDec 10, 93Jan 02, 96[G06K]
5410620 Digital data reader of digital data recording sheetFeb 09, 93Apr 25, 95[G06K]
5408543 Digital data reader of digital data recording sheetJun 17, 94Apr 18, 95[G06K]
5343031 Method of decoding a two-dimensional code symbol markDec 31, 92Aug 30, 94[G06K]
5204515 Method of reading identification code sheets using borders to determine scan angleOct 15, 91Apr 20, 93[G06K]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5128526 Identification codeExpiredNov 02, 90Jul 07, 92[G06K]

Top Inventors for This Owner

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