KATO SPRING WORKS CO., LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B23P OTHER WORKING OF METAL; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS 254
 
  
 
F16B DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING 148

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6171040 Thread insert having detachable tongueSep 09, 99Jan 09, 01[F16B]
5456145 Installation tool for tangless helically coiled insertFeb 16, 93Oct 10, 95[B23P]
5212865 Tool for installation of tanged and tangless wire insertsJul 20, 92May 25, 93[B23P]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5709700 Hole making deviceExpiredApr 11, 96Jan 20, 98[A61B]
5632163 Pierced earring hole maintenance deviceExpiredDec 15, 94May 27, 97[A44C]
D352452 Packaging box for optical disc shuttersExpiredAug 10, 93Nov 15, 94[]
4980959 Installation tool for helical coil insertsExpiredJan 26, 90Jan 01, 91[B23P]
4645398 Tangless helically coiled insertExpiredDec 30, 85Feb 24, 87[F16B]
4563119 Hook cutout for tangless helically coiled insertExpiredFeb 21, 84Jan 07, 86[F16B]
4533302 Gerotor motor and improved lubrication flow circuit thereforExpiredFeb 17, 84Aug 06, 85[F03C]
4533303 Hydrostatic control device, particularly steering deviceExpiredNov 21, 83Aug 06, 85[F03C, F16H]
4528737 Adapter for power tool installation of tangless helically coiled insertExpiredFeb 21, 84Jul 16, 85[B25B]

Top Inventors for This Owner

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