Inventor

MASAMURA AKITOSHI

JP3 patents

Patents

3 patents

US5449107ASep 12, 1995

Weld backing

KOMATSU MFG CO LTD23 citations88

US6744007B2Jun 1, 2004

Laser welding method

KOMATSU MFG CO LTD7 citations68

US5590829AJan 7, 1997

Movable backing system

KOMATSU MFG CO LTD2 citations60