Assignee
KITAGAWA IRON WORKS CO
29 granted patents·1 pending application·218 citations·filing 1977–2023
Top patents by PatentIndex Score
30 records- 0180US10864579B2ChuckKITAGAWA IRON WORKS CO·Filed 2018·Granted Dec 15, 2020·2 cites·20 claims
- 0278US11389880B2Chuck mechanism and top jawKITAGAWA IRON WORKS CO·Filed 2019·Granted Jul 19, 2022·2 cites·7 claims
- 0378US10688567B2Retracting chuckKITAGAWA IRON WORKS CO·Filed 2017·Granted Jun 23, 2020·2 cites·7 claims
- 0475US4832853AApparatus for improving characteristics of sandKITAGAWA IRON WORKS CO·Filed 1987·Granted May 23, 1989·36 cites·8 claims
- 0574US5782151AWorkpiece transfer apparatusKITAGAWA IRON WORKS CO·Filed 1995·Granted Jul 21, 1998·31 cites·27 claims
- 0670US11141798B2Chuck and method for manufacturing sameKITAGAWA IRON WORKS CO·Filed 2018·Granted Oct 12, 2021·1 cites·5 claims
- 0765US5848795AFront part replacement type finger chuckKITAGAWA IRON WORKS CO·Filed 1996·Granted Dec 15, 1998·35 cites·14 claims
- 0861US4198763ADrying method and apparatusKITAGAWA IRON WORKS CO·Filed 1978·Granted Apr 22, 1980·21 cites·9 claims
- 0959US12544873B2Automatic jig replacement systemKITAGAWA IRON WORKS CO·Filed 2021·Granted Feb 10, 2026·0 cites·11 claims
- 1058US12539570B2Cam mechanism, cam mechanism manufacturing method, camshaft manufacturing method, NC rotary tableKITAGAWA IRON WORKS CO·Filed 2023·Granted Feb 3, 2026·0 cites·5 claims
- 1155US7311312B2Chuck drawing a work against the chuck-faceKITAGAWA IRON WORKS CO·Filed 2002·Granted Dec 25, 2007·11 cites·12 claims
- 1253US10835965B2Chuck mechanismKITAGAWA IRON WORKS CO·Filed 2018·Granted Nov 17, 2020·0 cites·12 claims
- 1353USD859481SChuck for machine toolKITAGAWA IRON WORKS CO·Filed 2018·Granted Sep 10, 2019·6 cites·1 claims
- 1453US4523632ACooling system of rotary fluid pressure cylinder for chucking in machine toolsKITAGAWA IRON WORKS CO·Filed 1980·Granted Jun 18, 1985·16 cites·3 claims
- 1548US11471955B2Chuck correction methodKITAGAWA IRON WORKS CO·Filed 2018·Granted Oct 18, 2022·0 cites·7 claims
- 1648USD515104SBlade for spiral wing shaft for mixersKITAGAWA IRON WORKS CO·Filed 2004·Granted Feb 14, 2006·9 cites·1 claims
- 1738US12285807B2StructureKITAGAWA IRON WORKS CO·Filed 2020·Granted Apr 29, 2025·0 cites·5 claims
- 1838US10835964B2GripperKITAGAWA IRON WORKS CO·Filed 2017·Granted Nov 17, 2020·0 cites·4 claims
- 1937US5901624AWorkpiece transfer apparatusKITAGAWA IRON WORKS CO·Filed 1998·Granted May 11, 1999·7 cites·6 claims
- 2037US2019329327A1Chuck deviceKITAGAWA IRON WORKS CO·Filed 2017·Application pending·0 cites
- 2136US4669362ARotary fluid pressure cylinder device for operating chucks for machine toolsKITAGAWA IRON WORKS CO·Filed 1985·Granted Jun 2, 1987·10 cites·15 claims
- 2233US11000904B2Chuck deviceKITAGAWA IRON WORKS CO·Filed 2017·Granted May 11, 2021·0 cites·3 claims
- 2333US4410192AWedge-operated jaw chuck for holding work on a machine toolKITAGAWA IRON WORKS CO·Filed 1981·Granted Oct 18, 1983·7 cites·8 claims
- 2432US5065792ACoupling mechanisms for rotary fluid cylindersKITAGAWA IRON WORKS CO·Filed 1990·Granted Nov 19, 1991·7 cites·12 claims
- 2529USD513013SSpiral wing shaft for mixersKITAGAWA IRON WORKS CO·Filed 2004·Granted Dec 20, 2005·2 cites·1 claims
- 2628US11045882B2Chuck mechanismKITAGAWA IRON WORKS CO·Filed 2018·Granted Jun 29, 2021·0 cites·6 claims
- 2727US4120163ASoil treatmentKITAGAWA IRON WORKS CO·Filed 1977·Granted Oct 17, 1978·1 cites·2 claims
- 2826US4717478AApparatus for improving characteristics of sandKITAGAWA IRON WORKS CO·Filed 1986·Granted Jan 5, 1988·2 cites·22 claims
- 2924US4735422APrecision chuckKITAGAWA IRON WORKS CO·Filed 1986·Granted Apr 5, 1988·4 cites·17 claims
- 3023US4747337ARotary fluid cylinders for operating chucksKITAGAWA IRON WORKS CO·Filed 1986·Granted May 31, 1988·6 cites·11 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →