Inventor
YAMADA ETSUKO
JP6 patents
⚠️ This page may combine multiple inventors who share the name “YAMADA ETSUKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KAWASAKI HEAVY IND LTD
5 patentsUS11396060B2Jul 26, 2022
Holding jig and holding jig set for double-acting friction stir spot welding, double-acting friction stir spot welding device, and double-acting friction stir spot welding method
KAWASAKI HEAVY IND LTD3 citations71
US11179799B2Nov 23, 2021
Clamp member for double-acting friction stir spot welding device, double-acting friction stir spot welding device, and double-acting friction stir spot welding method
KAWASAKI HEAVY IND LTD3 citations71
US11084121B2Aug 10, 2021
Double-acting friction stir spot welding method and apparatus
KAWASAKI HEAVY IND LTD4 citations71
US11491576B2Nov 8, 2022
Refill friction stir spot welding method, pressing tool set, and refill friction stir spot welding device
KAWASAKI HEAVY IND LTD2 citations70
US12059742B2Aug 13, 2024
Holding jig and holding jig set for double-acting friction stir spot welding, double-acting friction stir spot welding device, and double-acting friction stir spot welding method
KAWASAKI HEAVY IND LTD0 citations61