Wakai & Co., Ltd.

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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 445

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6679664 Plate nut assemblyApr 18, 02Jan 20, 04[F16B]
6669420 Nut assembly including frame having a flange portion and opposed arms supporting a pivotable nutApr 18, 02Dec 30, 03[F16B]
6579050 Nut assembly for fastening an element to a member having an inaccessible back partDec 11, 01Jun 17, 03[F16B]
6386809 Nut assembly with pivotable nutDec 27, 00May 14, 02[F16B]
D415774 Drill for concreteAug 22, 97Oct 26, 99[1509]
D414534 BallApr 12, 96Sep 28, 99[2101]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2009/0208,310 Anchoring deviceAbandonedFeb 05, 09Aug 20, 09[F16B]
2005/0008,449 ScrewAbandonedMay 06, 04Jan 13, 05[F16B]
6821069 Anchor deviceExpiredNov 06, 02Nov 23, 04[F16B]
6746186 Boring toolExpiredMar 06, 02Jun 08, 04[B23B]
6602034 Anchor for boards and method for manufacturing the sameExpiredJun 26, 02Aug 05, 03[F16B]
6565447 Method for manufacturing nailsExpiredJul 09, 01May 20, 03[B21G]
6332300 Double wall coupling toolExpiredJan 05, 00Dec 25, 01[E04C]
6314703 FastenerExpiredMar 21, 00Nov 13, 01[E04B, E04C]
6272814 Method of packaging nut assembliesExpiredJul 25, 00Aug 14, 01[B65D, B65B]
6213373 Plate-shaped fastener and driving jig for the sameExpiredJun 05, 00Apr 10, 01[B25C]
6213701 AnchorExpiredMar 21, 00Apr 10, 01[F16B]
6196506 Plate-shaped fastenerExpiredAug 03, 99Mar 06, 01[A47B]
6196778 Screw fixing plug and combination of the same with a screwExpiredDec 16, 99Mar 06, 01[F16B]
6196780 Threaded anchorExpiredMar 07, 00Mar 06, 01[F16B]
6119431 Method of moving heavy materialsExpiredOct 06, 98Sep 19, 00[E04B]
5749688 Screw fixing plugExpiredOct 11, 96May 12, 98[F16B]
5700119 Nail with spreadable legsExpiredAug 01, 96Dec 23, 97[F16B]
5688090 Screw assemblyExpiredAug 16, 96Nov 18, 97[F16B]
5501557 Screw fastenerExpiredApr 29, 94Mar 26, 96[F16B]
5468107 Split nailExpiredSep 08, 94Nov 21, 95[F16B]

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