Inventor · disambiguated record
Koichi Ishiguro
Also filed as: ISHIGURO KOICHI
6 granted patents·16 citations·filing 2016–2021
76Inventor score
Files withHITACHI POWER SOLUTIONS CO LTD6
Top patents by PatentIndex Score
6 records- 0188US11285562B2Friction stir welding apparatus and friction stir welding methodHITACHI POWER SOLUTIONS CO LTD·Filed 2019·Granted Mar 29, 2022·3 cites·16 claims
- 0287US10421150B2Friction stir welding deviceHITACHI POWER SOLUTIONS CO LTD·Filed 2017·Granted Sep 24, 2019·4 cites·4 claims
- 0386US11440132B2Friction stir welding apparatusHITACHI POWER SOLUTIONS CO LTD·Filed 2019·Granted Sep 13, 2022·4 cites·9 claims
- 0484US10335895B2Friction stir welding device and friction stir welding methodHITACHI POWER SOLUTIONS CO LTD·Filed 2016·Granted Jul 2, 2019·4 cites·14 claims
- 0577US11794273B2Friction stir welding apparatus and friction stir welding methodHITACHI POWER SOLUTIONS CO LTD·Filed 2019·Granted Oct 24, 2023·1 cites·12 claims
- 0660US11897048B2Friction stir welding apparatus and friction stir welding methodHITACHI POWER SOLUTIONS CO LTD·Filed 2021·Granted Feb 13, 2024·0 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →