Inventor · disambiguated record
Ryoji Ohashi
Also filed as: OHASHI RYOJI
20 granted patents·5 pending applications·42 citations·filing 2006–2025
91Inventor score
Top patents by PatentIndex Score
25 records- 0195US12303995B2Friction stir spot welder and method of operating friction stir spot welderKAWASAKI HEAVY IND LTD·Filed 2021·Granted May 20, 2025·3 cites·8 claims
- 0295US12202066B2Friction stir spot welding apparatus and joint structureKAWASAKI HEAVY IND LTD·Filed 2021·Granted Jan 21, 2025·3 cites·9 claims
- 0387US7677427B2Welding tool for friction-stir welding apparatusKAWASAKI HEAVY IND LTD·Filed 2006·Granted Mar 16, 2010·12 cites·10 claims
- 0486US12496655B2Friction stir joining device, method of operating the same and joint structureKAWASAKI HEAVY IND LTD·Filed 2024·Granted Dec 16, 2025·0 cites·6 claims
- 0584US12064831B2Joining system, and method for operating sameKAWASAKI HEAVY IND LTD·Filed 2020·Granted Aug 20, 2024·1 cites·16 claims
- 0684US2025100071A1Friction stir spot welding apparatus and joint structureKAWASAKI HEAVY IND LTD·Filed 2024·Application pending·0 cites
- 0783US11292076B2Friction spot joining device and friction spot joining methodKAWASAKI HEAVY IND LTD·Filed 2016·Granted Apr 5, 2022·2 cites·4 claims
- 0883US11185944B2Friction stir spot welding device and friction stir spot welding methodKAWASAKI HEAVY IND LTD·Filed 2017·Granted Nov 30, 2021·2 cites·8 claims
- 0982US8528803B2Friction stir welding apparatus and methodOHASHI RYOJI·Filed 2010·Granted Sep 10, 2013·6 cites·12 claims
- 1081US7828191B2Friction stir welding machine and friction stir welding toolKAWASAKI HEAVY IND LTD·Filed 2007·Granted Nov 9, 2010·10 cites·3 claims
- 1177US2025249531A1Friction stir spot welder and method of operating friction stir spot welderKAWASAKI HEAVY IND LTD·Filed 2025·Application pending·0 cites
- 1269US12168261B2Friction stir joining device, method of operating the same and joint structureKAWASAKI HEAVY IND LTD·Filed 2019·Granted Dec 17, 2024·0 cites·4 claims
- 1368US8757470B2Friction stir welding apparatus and methodKAWASAKI HEAVY IND LTD·Filed 2013·Granted Jun 24, 2014·1 cites·4 claims
- 1468US8025200B2Friction stir welding machine and friction stir welding toolKAWASAKI HEAVY IND LTD·Filed 2010·Granted Sep 27, 2011·1 cites·4 claims
- 1566US12454024B2Joining method and joined bodyKAWASAKI HEAVY IND LTD·Filed 2022·Granted Oct 28, 2025·0 cites·5 claims
- 1664US11135674B2Friction stir spot welding method and friction stir spot welding deviceKAWASAKI HEAVY IND LTD·Filed 2017·Granted Oct 5, 2021·0 cites·8 claims
- 1764US9839973B2Friction stir spot welding apparatus, friction stir spot welding method, and perpendicular-to-plane detection device for use in friction stir spot weldingKAWASAKI HEAVY IND LTD·Filed 2013·Granted Dec 12, 2017·1 cites·14 claims
- 1864US2025144740A1Friction-stir spot welding device and method for operating sameKAWASAKI HEAVY IND LTD·Filed 2023·Application pending·0 cites
- 1962US12485622B2Joint structure and joining methodKAWASAKI HEAVY IND LTD·Filed 2022·Granted Dec 2, 2025·0 cites·8 claims
- 2059US12434327B2Friction stir spot welded joint and production method therefor, and friction stir spot welding methodJFE STEEL CORP·Filed 2022·Granted Oct 7, 2025·0 cites·6 claims
- 2151US2024316873A1Joining method, joined body, and joining deviceKAWASAKI HEAVY IND LTD·Filed 2021·Application pending·0 cites
- 2249US2021023649A1Friction welding apparatus and method of operating the sameKAWASAKI HEAVY IND LTD·Filed 2019·Application pending·0 cites
- 2347US10974343B2Friction stir spot joining apparatus and friction stir spot joining methodKAWASAKI HEAVY IND LTD·Filed 2016·Granted Apr 13, 2021·0 cites·6 claims
- 2446US11040413B2Spot welding apparatus, spot welding method, and joint structureKAWASAKI HEAVY IND LTD·Filed 2017·Granted Jun 22, 2021·0 cites·7 claims
- 2546US10974344B2Friction stir spot joining apparatus and friction stir spot joining methodKAWASAKI HEAVY IND LTD·Filed 2016·Granted Apr 13, 2021·0 cites·7 claims
Join the waitlist — get patent alerts
Get an alert when Ryoji Ohashi 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 →