Assignee
KUBOTA IRON WORKS CO LTD
JP·16 granted patents·2 pending applications·129 citations·filing 1991–2008
Top patents by PatentIndex Score
18 records- 0190US7100417B2Lower die assembly in pressing machineKUBOTA IRON WORKS CO LTD·Filed 2003·Granted Sep 5, 2006·26 cites·1 claims
- 0275US5237745AMethod of and apparatus for manufacturing drive plateKUBOTA IRON WORKS CO LTD·Filed 1991·Granted Aug 24, 1993·22 cites·11 claims
- 0370US6941783B2Double action oil hydraulic pressKUBOTA IRON WORKS CO LTD·Filed 2003·Granted Sep 13, 2005·12 cites·2 claims
- 0468US5562785AMethod for manufacturing toothed gearsKUBOTA IRON WORKS CO LTD·Filed 1995·Granted Oct 8, 1996·23 cites·7 claims
- 0567US6662446B2Method for manufacturing a torque converterKUBOTA IRON WORKS CO LTD·Filed 2002·Granted Dec 16, 2003·6 cites·20 claims
- 0661US7360388B2Hollow stepped shaft and method of forming the sameKUBOTA IRON WORKS CO LTD·Filed 2006·Granted Apr 22, 2008·1 cites·9 claims
- 0759US7134312B2Die apparatus and die exchanging method in pressing machineKUBOTA IRON WORKS CO LTD·Filed 2003·Granted Nov 14, 2006·5 cites·2 claims
- 0857US6651330B2Torque converterKUBOTA IRON WORKS CO LTD·Filed 2002·Granted Nov 25, 2003·3 cites·19 claims
- 0956US6959479B2Method of manufacturing a hollow shaft having a flange at one end thereofKUBOTA IRON WORKS CO LTD·Filed 2003·Granted Nov 1, 2005·6 cites·2 claims
- 1054US2008127704A1Hollow stepped shaft and method of forming the sameKUBOTA IRON WORKS CO LTD·Filed 2008·Application pending·0 cites
- 1152US7171837B2Hollow stepped shaft and method of forming the sameKUBOTA IRON WORKS CO LTD·Filed 2004·Granted Feb 6, 2007·2 cites·5 claims
- 1247US6474062B1Torque converterKUBOTA IRON WORKS CO LTD·Filed 1999·Granted Nov 5, 2002·6 cites·20 claims
- 1344US6594895B2Torque converterKUBOTA IRON WORKS CO LTD·Filed 2001·Granted Jul 22, 2003·1 cites·31 claims
- 1443US5722138AApparatus for manufacturing toothed gearsKUBOTA IRON WORKS CO LTD·Filed 1996·Granted Mar 3, 1998·8 cites·4 claims
- 1542US7172059B2Electromagnetic couplingKUBOTA IRON WORKS CO LTD·Filed 2004·Granted Feb 6, 2007·0 cites·6 claims
- 1640US2008060406A1Method of and apparatus for forming a hollow step profiled shaftKUBOTA IRON WORKS CO LTD·Filed 2007·Application pending·0 cites
- 1739US7015434B2Method of joining together magnetic and nonmagnetic materialsKUBOTA IRON WORKS CO LTD·Filed 2004·Granted Mar 21, 2006·0 cites·4 claims
- 1839US5699689AMethod of and apparatus for forming a disc-shaped blankKUBOTA IRON WORKS CO LTD·Filed 1996·Granted Dec 23, 1997·8 cites·3 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →