Ishida Scales Mfg. Co., Ltd.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B65B MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING 757
 
  
 
G01G WEIGHING 622

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5756938 Weight measuring apparatusApr 13, 95May 26, 98[G01G]
5578797 Method and apparatus for printing merchandising informationApr 21, 94Nov 26, 96[G01G]
5537798 Package making machines and systemsSep 08, 94Jul 23, 96[B65B]
5347795 Transverse sealer for packaging machineFeb 05, 93Sep 20, 94[B65B]
5308930 Weighing machine with weight detecting conveyorOct 28, 92May 03, 94[G01G]
5279098 Apparatus for and method of transverse sealing for a form-fill-seal packaging machineMar 12, 93Jan 18, 94[B65B]
5274984 Methods and systems for making packagesJul 07, 92Jan 04, 94[B65B]
5258579 Weighing method and weighing apparatusJul 02, 92Nov 02, 93[G01G]
5230391 Weigher-conveyor systemApr 24, 92Jul 27, 93[G01G]
5205104 Devices for supplying and transporting film for packaging apparatusJun 23, 92Apr 27, 93[B65B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5306873 Load cell with strain gauges having low temperature dependent coefficient of resistanceExpiredMay 27, 92Apr 26, 94[H05K]
5254189 Labelling method and apparatus thereforExpiredJul 06, 92Oct 19, 93[B65C]
5237798 Packaging machine with improved film-transporting deviceExpiredJul 07, 92Aug 24, 93[B65B]
5184520 Load sensorExpiredOct 11, 90Feb 09, 93[G01D]
5157903 Film-folding device for packaging apparatusExpiredNov 09, 90Oct 27, 92[G01G]
5117929 Weighing apparatus with means for correcting effects of vibrationsExpiredNov 28, 90Jun 02, 92[G01G]
5084832 Input device for combinational weighing systemExpiredSep 19, 90Jan 28, 92[G01G]
5052504 Sales data transmission systemExpiredJan 24, 90Oct 01, 91[G07G, G06F, G01G]
5052505 Load cellExpiredMay 24, 90Oct 01, 91[G01L, G01G]
5038875 Waterproof automatic weighing apparatusExpiredJul 03, 90Aug 13, 91[G01G]
4992929 Method of system operationExpiredNov 08, 88Feb 12, 91[G06F]
4951765 Load detector circuitExpiredJul 10, 89Aug 28, 90[G01L, G01G]
4947946 Hopper gate opening and closing device for an automatic weighing apparatusExpiredSep 13, 89Aug 14, 90[G01G]
4901237 Electronic scale systemExpiredDec 15, 88Feb 13, 90[G06F, G01G]
4858708 Combinatorial weighing apparatusExpiredSep 12, 88Aug 22, 89[B65G, G01G]
4852673 Weighing apparatus with radio interference protectionExpiredJul 29, 88Aug 01, 89[G01G]
4853881 Combinatorial weighing systemExpiredOct 07, 88Aug 01, 89[G01G]
4850442 Zero-point adjustment of weighing deviceExpiredMay 19, 88Jul 25, 89[G01L, G01G]
RE32987 Combination weighing system and methodExpiredJun 10, 88Jul 18, 89[G01G]
4844190 Combinational weigher for multiple operationsExpiredMay 03, 88Jul 04, 89[G01G]

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