Inventor · disambiguated record
Kotaro Nakajima
Also filed as: NAKAJIMA KOTARO
13 granted patents·2 pending applications·88 citations·filing 1978–2020
88Inventor score
Top patents by PatentIndex Score
15 records- 0185US9505080B2Rotary work deviceKYOKUTOH CO LTD·Filed 2014·Granted Nov 29, 2016·10 cites·5 claims
- 0282US9707639B2Tip dresserKYOKUTOH CO LTD·Filed 2015·Granted Jul 18, 2017·3 cites·5 claims
- 0376US10894298B2Electrode tip removal device and hammerKYOKUTOH CO LTD·Filed 2018·Granted Jan 19, 2021·1 cites·8 claims
- 0473US8899888B2Tip dresserKYOKUTOH CO LTD·Filed 2012·Granted Dec 2, 2014·4 cites·16 claims
- 0566US9497360B2Electrode inspection apparatus for spot weldingKEYLEX CORP·Filed 2014·Granted Nov 15, 2016·2 cites·9 claims
- 0666US4777973AAlternate walker having extensible/contractible front and rear legsNAKAJIMA KOTARO·Filed 1987·Granted Oct 18, 1988·43 cites·7 claims
- 0764US9321124B2Spot welding electrode housing apparatusKYOKUTOH CO LTD·Filed 2014·Granted Apr 26, 2016·2 cites·5 claims
- 0852US11491518B2Air intake and blowout toolKYOKUTOH CO LTD·Filed 2019·Granted Nov 8, 2022·0 cites·3 claims
- 0950US2020061734A1Chip collecting deviceKYOKUTOH CO LTD·Filed 2019·Application pending·0 cites
- 1049US11117211B2Spot welding electrode housing apparatusKYOKUTOH CO LTD·Filed 2018·Granted Sep 14, 2021·0 cites·11 claims
- 1149US10137524B1Spot welding electrode housing apparatusKYOKUTOH CO LTD·Filed 2017·Granted Nov 27, 2018·0 cites·4 claims
- 1248US11338403B2Chip-scattering prevention coverKYOKUTOH CO LTD·Filed 2020·Granted May 24, 2022·0 cites·5 claims
- 1348US10016835B2Method for grinding electrode tipKYOKUTOH CO LTD·Filed 2014·Granted Jul 10, 2018·0 cites·1 claims
- 1446US4184503ACrutchNAKAJIMA KOTARO·Filed 1978·Granted Jan 22, 1980·23 cites·9 claims
- 1542US2017282284A1Electrode tip removerKYOKUTOH CO LTD·Filed 2016·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Kotaro Nakajima files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →