Inventor · disambiguated record
Yoshifumi Kurokawa
Also filed as: KUROKAWA YOSHIFUMI
28 granted patents·7 pending applications·70 citations·filing 2007–2023
94Inventor score
Top patents by PatentIndex Score
35 records- 0193US11623677B2Electric steering deviceNSK LTD·Filed 2021·Granted Apr 11, 2023·3 cites·13 claims
- 0293US10000227B2Electric power steering device and method for assembling the sameNSK LTD·Filed 2015·Granted Jun 19, 2018·7 cites·17 claims
- 0392US11345387B2Electrically adjustable steeringNSK LTD·Filed 2020·Granted May 31, 2022·8 cites·12 claims
- 0492US7559266B2Telescopic shaftNSK LTD·Filed 2007·Granted Jul 14, 2009·16 cites·19 claims
- 0591US11338839B2Electrically adjustable steeringNSK LTD·Filed 2020·Granted May 24, 2022·4 cites·10 claims
- 0689US11390313B2Electrically adjustable steering columnNSK LTD·Filed 2021·Granted Jul 19, 2022·3 cites·7 claims
- 0788US11370473B2Telescopic structure and steering columnNSK LTD·Filed 2020·Granted Jun 28, 2022·2 cites·10 claims
- 0883US10330141B2Extensible rotation transmission shaftNSK LTD·Filed 2015·Granted Jun 25, 2019·3 cites·12 claims
- 0979US9446782B2Telescopic shaft and manufacturing method thereofKUROKAWA YOSHIFUMI·Filed 2012·Granted Sep 20, 2016·6 cites·8 claims
- 1078US12319338B2Steering deviceNSK LTD·Filed 2023·Granted Jun 3, 2025·0 cites·9 claims
- 1177US10717459B2Telescopic rotation transmission shaft and method for producing sameNSK LTD·Filed 2016·Granted Jul 21, 2020·2 cites·14 claims
- 1274US9422986B2Telescopic shaftNSK LTD·Filed 2012·Granted Aug 23, 2016·3 cites·4 claims
- 1371US9951806B2Telescopic shaftNSK LTD·Filed 2016·Granted Apr 24, 2018·2 cites·3 claims
- 1471US9915291B2Torque transmission shaft having universal joint yoke and method of manufacturing the sameNSK LTD·Filed 2014·Granted Mar 13, 2018·2 cites·3 claims
- 1569US11318980B2Steering section for steer-by-wire systemNSK LTD·Filed 2019·Granted May 3, 2022·2 cites·12 claims
- 1667US9566998B2Inner shaft for extendable and contractible shaft and manufacturing method thereofNSK LTD·Filed 2014·Granted Feb 14, 2017·4 cites·9 claims
- 1764US10288125B2Torque transmission unitNSK LTD·Filed 2015·Granted May 14, 2019·1 cites·4 claims
- 1860US10119575B2Yoke for cross shaft universal jointNSK LTD·Filed 2015·Granted Nov 6, 2018·1 cites·5 claims
- 1958US10597065B2Vertical position adjustment device for steering wheelNSK LTD·Filed 2016·Granted Mar 24, 2020·1 cites·9 claims
- 2056US11891114B2Steering deviceNSK LTD·Filed 2019·Granted Feb 6, 2024·0 cites·8 claims
- 2148US11518429B2Torque transmission joint and electric power steering deviceNSK LTD·Filed 2018·Granted Dec 6, 2022·0 cites·11 claims
- 2247US10184525B2Method of manufacturing cross shaft universal jointNSK LTD·Filed 2014·Granted Jan 22, 2019·0 cites·8 claims
- 2343US2014200086A1Telescopic shaftNSK LTD·Filed 2012·Application pending·0 cites
- 2441US12466467B2Gear housing and electric assist deviceNSK STEERING & CONTROL INC·Filed 2022·Granted Nov 11, 2025·0 cites·8 claims
- 2541US10156267B2Yoke for cross shaft universal joint and method for manufacturing the sameNSK LTD·Filed 2015·Granted Dec 18, 2018·0 cites·7 claims
- 2639US11136058B2Outer column and steering apparatusNSK LTD·Filed 2018·Granted Oct 5, 2021·0 cites·21 claims
- 2737US10940881B2Steering deviceNSK LTD·Filed 2017·Granted Mar 9, 2021·0 cites·7 claims
- 2837US2019111962A1Position adjustment device for steering wheelNSK LTD·Filed 2017·Application pending·0 cites
- 2936US10597064B2Position adjustment device for steering wheelNSK LTD·Filed 2016·Granted Mar 24, 2020·0 cites·7 claims
- 3036US10099718B2Electric power steering device and method for assembling the sameNSK LTD·Filed 2015·Granted Oct 16, 2018·0 cites·15 claims
- 3136US2018346012A1Steering device and assembling method for steering deviceNSK LTD·Filed 2016·Application pending·0 cites
- 3236US2018229754A1Position adjusting apparatus for steering wheelNSK LTD·Filed 2016·Application pending·0 cites
- 3336US2018229755A1Outer column with bracket, steering column with bracket, and steering deviceNSK LTD·Filed 2016·Application pending·0 cites
- 3436US2019031225A1Steering deviceNSK LTD·Filed 2017·Application pending·0 cites
- 3535US2025026397A1Rack shaft, method for manufacturing same, and rack-and-pinion steering gear unitNSK STEERING & CONTROL INC·Filed 2022·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →