Inventor · disambiguated record
Norihiro Tajima
Also filed as: TAJIMA NORIHIRO
19 granted patents·7 pending applications·44 citations·filing 2006–2023
90Inventor score
Top patents by PatentIndex Score
26 records- 0194US9400027B2Coned disc springNHK SPRING CO LTD·Filed 2013·Granted Jul 26, 2016·23 cites·2 claims
- 0277US9255609B2Tolerance ring, hard disk device, and method for manufacturing hard disk deviceNHK SPRING CO LTD·Filed 2012·Granted Feb 9, 2016·4 cites·12 claims
- 0375US9019663B2Tolerance ringNHK SPRING CO LTD·Filed 2012·Granted Apr 28, 2015·4 cites·13 claims
- 0470US8950739B2SpringTAJIMA NORIHIRO·Filed 2009·Granted Feb 10, 2015·7 cites·5 claims
- 0564US11339844B2Coil spring assemblyNHK SPRING CO LTD·Filed 2019·Granted May 24, 2022·1 cites·15 claims
- 0659US7362933B2Optical branching unitOMRON TATEISI ELECTRONICS CO·Filed 2006·Granted Apr 22, 2008·2 cites·11 claims
- 0758US9955611B2Pressure structure and pressure unitNHK SPRING CO LTD·Filed 2014·Granted Apr 24, 2018·1 cites·16 claims
- 0857US8312853B2Valve spring device and valve train of engine using the sameIWATA KAZUO·Filed 2010·Granted Nov 20, 2012·1 cites·4 claims
- 0954US10320009B2Deformation absorption member and fuel cellNISSAN MOTOR·Filed 2014·Granted Jun 11, 2019·0 cites·8 claims
- 1054US2025264141A1Spring memberNHK SPRING CO LTD·Filed 2023·Application pending·0 cites
- 1153US11996591B2Attachment structure for deformation absorption member and attachment methodNISSAN MOTOR·Filed 2014·Granted May 28, 2024·0 cites·8 claims
- 1253US11411275B2Spring member, fuel cell unit, fuel cell stack, and method for manufacturing fuel cell stackNISSAN MOTOR·Filed 2018·Granted Aug 9, 2022·0 cites·19 claims
- 1353US11069915B2Spring member, fuel cell unit, and fuel cell stackNISSAN MOTOR·Filed 2018·Granted Jul 20, 2021·0 cites·11 claims
- 1453US9960435B2Fuel-cell-stack manufacturing method and fuel-cell-stackNISSAN MOTOR·Filed 2014·Granted May 1, 2018·0 cites·15 claims
- 1552US12442425B2Spring memberNHK SPRING CO LTD·Filed 2021·Granted Oct 14, 2025·0 cites·12 claims
- 1652US2024229886A9Spring memberNHK SPRING CO LTD·Filed 2022·Application pending·0 cites
- 1751US10644329B2Fuel cell stack having a displacement absorbing member disposed in a cooling fluid channelNISSAN MOTOR·Filed 2013·Granted May 5, 2020·0 cites·11 claims
- 1851US2025198476A1Spring memberNHK SPRING CO LTD·Filed 2023·Application pending·0 cites
- 1950US2025198477A1Disc spring memberNHK SPRING CO LTD·Filed 2023·Application pending·0 cites
- 2047US8523153B2SpringITO HIDEMASA·Filed 2009·Granted Sep 3, 2013·1 cites·2 claims
- 2145US8025039B2Valve spring device and valve train of internal combustion engine using the sameNHK SPRING CO LTD·Filed 2009·Granted Sep 27, 2011·0 cites·9 claims
- 2244US2024175533A1Pulsation-damping memberNHK SPRING CO LTD·Filed 2022·Application pending·0 cites
- 2343US9829046B2Tolerance ringNHK SPRING CO LTD·Filed 2013·Granted Nov 28, 2017·0 cites·11 claims
- 2438US2020088257A1Pressing structure and pressing unitNHK SPRING CO LTD·Filed 2017·Application pending·0 cites
- 2532US9429190B2Tolerance ring and method of manufacturing tolerance ringTAJIMA NORIHIRO·Filed 2012·Granted Aug 30, 2016·0 cites·7 claims
- 2627US2013069293A1Suspension deviceITO HIDEMASA·Filed 2011·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →