K.K. Aoyama Seisakusho

Patent Owner

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F16B DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING 247

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5209622 Bolt having spherically tipped thread free cylindrical columnNov 29, 91May 11, 93[F16B]
5174704 Bolt head and socket for the sameAug 23, 91Dec 29, 92[F16B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6090262 Barrel plating methodExpiredSep 30, 98Jul 18, 00[C25D, C25B]
5294225 Synthetic resin grommetExpiredNov 21, 91Mar 15, 94[F16B]
5203051 Grommet and method of inserting grommetExpiredDec 06, 91Apr 20, 93[B16L]
5190424 Bolt for use with resin clipsExpiredDec 04, 91Mar 02, 93[F16B]
5073073 Self-aligning bolt and a self-aligning nutExpiredOct 19, 89Dec 17, 91[F16B]
4900206 Nut with coverExpiredFeb 22, 89Feb 13, 90[F16B]
4579492 Plastic screw anchorExpiredJul 27, 83Apr 01, 86[F16B]
4525912 Pierce nut and a back-up die used in combination therewithExpiredMay 09, 83Jul 02, 85[B23P]
4486135 Tapping screwExpiredJul 07, 82Dec 04, 84[F16B]
4228722 Upset boltExpiredJun 16, 78Oct 21, 80[F16B]

Top Inventors for This Owner

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