Assignee
NAKANISHI METAL WORKS CO
JP·74 granted patents·20 pending applications·525 citations·filing 1978–2025
Top patents by PatentIndex Score
94 records- 0193US11084193B2Manufacturing method of molded article including annular resin memberNAKANISHI METAL WORKS CO·Filed 2020·Granted Aug 10, 2021·2 cites·6 claims
- 0291US10486349B2Manufacturing method of insert molded articleNAKANISHI METAL WORKS CO·Filed 2017·Granted Nov 26, 2019·4 cites·10 claims
- 0390US7631425B2Method for manufacturing rocker armNAKANISHI METAL WORKS CO·Filed 2005·Granted Dec 15, 2009·20 cites·4 claims
- 0488US10907688B2Rotary sealNAKANISHI METAL WORKS CO·Filed 2019·Granted Feb 2, 2021·6 cites·3 claims
- 0584US12031575B2Strut bearing device, and vehicle strut suspensionNAKANISHI METAL WORKS CO·Filed 2022·Granted Jul 9, 2024·1 cites·4 claims
- 0684US11493087B2Strut bearing and vehicle strut suspensionNAKANISHI METAL WORKS CO·Filed 2021·Granted Nov 8, 2022·1 cites·6 claims
- 0784US8037601B2Manufacturing method for rocker armNAKANISHI METAL WORKS CO·Filed 2006·Granted Oct 18, 2011·21 cites·16 claims
- 0883US10294994B2Machine component composed of metal and rubber and manufacturing method of the sameNAKANISHI METAL WORKS CO·Filed 2015·Granted May 21, 2019·4 cites·1 claims
- 0982US10781861B2Protective cover having sensor holder part, bearing device including the protective cover, and method for manufacturing the protective cover having the sensor holder partNAKANISHI METAL WORKS CO·Filed 2019·Granted Sep 22, 2020·2 cites·4 claims
- 1080US5013203AElectrically driven self-propelled truck and apparatus for changing course thereofNAKANISHI METAL WORKS CO·Filed 1990·Granted May 7, 1991·39 cites·4 claims
- 1179US4542698APower-and-free trolley conveyor of floor typeNAKANISHI METAL WORKS CO·Filed 1983·Granted Sep 24, 1985·31 cites·4 claims
- 1279US4462315APower-and-free trolley conveyorNAKANISHI METAL WORKS CO·Filed 1981·Granted Jul 31, 1984·30 cites·2 claims
- 1378US4464998AHanger device for trolley conveyorNAKANISHI METAL WORKS CO·Filed 1982·Granted Aug 14, 1984·28 cites·5 claims
- 1476US9476735B2Magnetic encoder and bearing device including magnetic encoderNAKANISHI METAL WORKS CO·Filed 2014·Granted Oct 25, 2016·3 cites·2 claims
- 1576US9461567B2Drive control device for drive system including vertical carrier machineNAKANISHI METAL WORKS CO·Filed 2013·Granted Oct 4, 2016·4 cites·9 claims
- 1675US5364469AHanger for use in conveyorsNAKANISHI METAL WORKS CO·Filed 1993·Granted Nov 15, 1994·35 cites·11 claims
- 1774US9394021B2Conveyance deviceNAKANISHI METAL WORKS CO·Filed 2015·Granted Jul 19, 2016·5 cites·4 claims
- 1873US11421741B2Manufacturing method for slinger used in rotary seal, and rotary sealNAKANISHI METAL WORKS CO·Filed 2020·Granted Aug 23, 2022·1 cites·2 claims
- 1971US10245884B2Protective cover having sensor holder part, bearing device including the protective cover, and method for manufacturing protective cover having sensor holder partNAKANISHI METAL WORKS CO·Filed 2016·Granted Apr 2, 2019·2 cites·2 claims
- 2071US7788805B2Method for manufacturing rocker armNAKANISHI METAL WORKS CO·Filed 2006·Granted Sep 7, 2010·5 cites·4 claims
- 2171US5127336AElectrically driven self-propelled truck and apparatus for changing course thereofNAKANISHI METAL WORKS CO·Filed 1990·Granted Jul 7, 1992·27 cites·3 claims
- 2271US4408539AOverhead conveyorNAKANISHI METAL WORKS CO·Filed 1981·Granted Oct 11, 1983·29 cites·5 claims
- 2370US7896324B2Transfer car having lifting and lowering function and turning function and automobile assembly line using the sameNAKANISHI METAL WORKS CO·Filed 2008·Granted Mar 1, 2011·10 cites·4 claims
- 2468US2026035182A1Conveyor deviceNAKANISHI METAL WORKS CO·Filed 2025·Application pending·0 cites
- 2567US11759985B2Insert-molded article and method for producing the sameNAKANISHI METAL WORKS CO·Filed 2022·Granted Sep 19, 2023·0 cites·3 claims
- 2665US9752898B2Magnetic encoder and manufacturing method thereofNAKANISHI METAL WORKS CO·Filed 2015·Granted Sep 5, 2017·1 cites·10 claims
- 2763US11131565B2Manufacturing method of an annular insert molded articleNAKANISHI METAL WORKS CO·Filed 2018·Granted Sep 28, 2021·0 cites·4 claims
- 2863US9962876B2Ring-shaped insert molded articleNAKANISHI METAL WORKS CO·Filed 2017·Granted May 8, 2018·0 cites·4 claims
- 2963US9962877B2Ring-shaped insert molded articleNAKANISHI METAL WORKS CO·Filed 2017·Granted May 8, 2018·0 cites·4 claims
- 3063US2015158216A1Ring-shaped insert molded articleNAKANISHI METAL WORKS CO·Filed 2014·Application pending·0 cites
- 3161US6595141B2Truck transport apparatusNAKANISHI METAL WORKS CO·Filed 2001·Granted Jul 22, 2003·10 cites·19 claims
- 3261US2016263793A1Ring-shaped insert molded articleNAKANISHI METAL WORKS CO·Filed 2016·Application pending·0 cites
- 3360US2025074477A1Conveyor carrierNAKANISHI METAL WORKS CO·Filed 2024·Application pending·0 cites
- 3459US12467505B2Magnetic encoder and method of manufacturing magnetic encoderNAKANISHI METAL WORKS CO·Filed 2023·Granted Nov 11, 2025·0 cites·2 claims
- 3559US12031583B2Strut bearing device, vehicle strut suspension, producing method of lower case and seal of strut bearing device, and producing method of upper case and seal of strut bearing deviceNAKANISHI METAL WORKS CO·Filed 2022·Granted Jul 9, 2024·0 cites·4 claims
- 3659US4771700APower-and-free conveyorNAKANISHI METAL WORKS CO·Filed 1986·Granted Sep 20, 1988·15 cites·2 claims
- 3759US4354435AApparatus for transferring carriers at discontinuous portion of power line for power-and-free trolley conveyorNAKANISHI METAL WORKS CO·Filed 1980·Granted Oct 19, 1982·16 cites·1 claims
- 3858US11454641B2Sensor cap nut and sensor capNAKANISHI METAL WORKS CO·Filed 2021·Granted Sep 27, 2022·0 cites·4 claims
- 3958US10005318B2Protective cover and bearing device including protective coverNAKANISHI METAL WORKS CO·Filed 2017·Granted Jun 26, 2018·1 cites·2 claims
- 4058US5392899ADrive wheel conveyorNAKANISHI METAL WORKS CO·Filed 1993·Granted Feb 28, 1995·18 cites·4 claims
- 4158US4498399AFree line switch arrangement for power-and-free trolley conveyorNAKANISHI METAL WORKS CO·Filed 1981·Granted Feb 12, 1985·20 cites·7 claims
- 4258US2025128741A1Conveyance deviceNAKANISHI METAL WORKS CO·Filed 2024·Application pending·0 cites
- 4358US2025171054A1Rail support member, conveyance device, and method of supporting rail in conveyance deviceNAKANISHI METAL WORKS CO·Filed 2024·Application pending·0 cites
- 4457US9422981B2Roller bearing cage and manufacturing method therefor as well as roller bearing manufacturing methodNAKANISHI METAL WORKS CO·Filed 2013·Granted Aug 23, 2016·1 cites·14 claims
- 4557US4287829ACarrier stopping device for power-and-free conveyorNAKANISHI METAL WORKS CO·Filed 1978·Granted Sep 8, 1981·13 cites·6 claims
- 4657US2015354988A1Annular insert molded article and manufacturing method thereofNAKANISHI METAL WORKS CO·Filed 2015·Application pending·0 cites
- 4757US2025002252A1Unmanned transport vehicleNAKANISHI METAL WORKS CO·Filed 2024·Application pending·0 cites
- 4856US12404121B2Overhead conveyor, and workpiece conveying method using overhead conveyorNAKANISHI METAL WORKS CO·Filed 2022·Granted Sep 2, 2025·0 cites·8 claims
- 4956US11585683B2Magnetic encoder manufacturing methodNAKANISHI METAL WORKS CO·Filed 2019·Granted Feb 21, 2023·0 cites·2 claims
- 5056US2024327181A1ForkliftNAKANISHI METAL WORKS CO·Filed 2024·Application pending·0 cites
Showing the top 50 of 94 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when NAKANISHI METAL WORKS CO files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →