Inventor
MASAKI KUNITAKA
JP4 patents
Patents
4 patentsUS11229972B2Jan 25, 2022
Friction stir welding device and friction stir welding method
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Reactor
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US11498145B2Nov 15, 2022
Welding method of diffusion bonded structure
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US10245676B2Apr 2, 2019
Friction stir welding device
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