NITTO KOGYO CO., LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G03G ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY 576
 
  
 
B21B ROLLING OF METAL 131

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
RE36962 Fixing device for electrophotographic apparatusNov 26, 96Nov 21, 00[G03G]
5853832 Oil application roll for electrophotograph fixation and method of fabricating the sameDec 27, 96Dec 29, 98[G03G]
5615000 Convey belt and conveying apparatus with itMar 09, 93Mar 25, 97[G03G]
5532808 Elastic fixing roller for electrophotographic copying machineMar 28, 95Jul 02, 96[G03G]
5465146 Fixing device for electrophotographic apparatusMar 08, 94Nov 07, 95[G03G]
5187849 Fixing roll for electrophotography having an outer fluoro-resin coatingJun 25, 92Feb 23, 93[B21B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7239837 Fixing apparatusExpiredOct 24, 03Jul 03, 07[G03G]
6333490 Toner image fixing apparatus capable of keeping constant fixing roller temperatureExpiredSep 11, 00Dec 25, 01[H05B]
6282398 Fixing apparatusExpiredMar 13, 00Aug 28, 01[G03G]
6272309 Fixing apparatusExpiredMay 12, 00Aug 07, 01[G03G]
6212356 Fixing apparatusExpiredApr 25, 00Apr 03, 01[G03G]
6181891 Toner image fixing apparatus capable of keeping constant fixing roller temperatureExpiredMar 11, 99Jan 30, 01[G03G]
6134400 Toner image fixing apparatus having standby mode temperature control deviceExpiredFeb 04, 99Oct 17, 00[G03G]
6092032 Electroconductive roller and apparatus and method for testing itExpiredApr 16, 99Jul 18, 00[G01N]
5896596 Apparatus for generating massaging water streamExpiredOct 22, 97Apr 27, 99[A47K]
5466242 Stent for biliary, urinary or vascular systemExpiredFeb 02, 94Nov 14, 95[A61F]
4956211 Elastic roller and a process for manufacturing the sameExpiredDec 13, 89Sep 11, 90[B32B]
4757347 Oil applying roller for use in an electrophotographic copying apparatusExpiredJul 28, 87Jul 12, 88[G03G]
4470688 Heat roller fixing deviceExpiredFeb 24, 82Sep 11, 84[G03G]

Top Inventors for This Owner

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