Inventor · disambiguated record

Kohei Funahara

Also filed as: FUNAHARA Kohei

4 granted patents·8 citations·filing 2019–2021

65Inventor score

Technology areasB23K

Files withHITACHI POWER SOLUTIONS CO LTD4

Top patents by PatentIndex Score

4 records

0188US11285562B2Friction stir welding apparatus and friction stir welding methodHITACHI POWER SOLUTIONS CO LTD·Filed 2019·Granted Mar 29, 2022·3 cites·16 claims
0286US11440132B2Friction stir welding apparatusHITACHI POWER SOLUTIONS CO LTD·Filed 2019·Granted Sep 13, 2022·4 cites·9 claims
0377US11794273B2Friction stir welding apparatus and friction stir welding methodHITACHI POWER SOLUTIONS CO LTD·Filed 2019·Granted Oct 24, 2023·1 cites·12 claims
0460US11897048B2Friction stir welding apparatus and friction stir welding methodHITACHI POWER SOLUTIONS CO LTD·Filed 2021·Granted Feb 13, 2024·0 cites·14 claims

Join the waitlist — get patent alerts

Get an alert when Kohei Funahara 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 →