SEIKEN CO., LTD

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B41J TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS 1101
 
  
 
C09D COATING COMPOSITIONS, e.g. PAINTS, VARNISHES, LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR 191
 
  
 
G01R MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES 1158

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9459283 Contact test deviceNov 16, 11Oct 04, 16[H01R, G01R]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
8137986 Non-liquid phase type chemiluminescent enzyme immunoassay method and assay kitExpiredOct 30, 06Mar 20, 12[G01N]
4715150 Nonwoven fiber abrasive diskExpiredApr 29, 86Dec 29, 87[B24D]
4622706 Air mat apparatusExpiredSep 21, 84Nov 18, 86[A47C, A61H]

Top Inventors for This Owner

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