Inventor

NISHIKAWA WAICHI

JP2 patents

⚠️ This page may combine multiple inventors who share the name “NISHIKAWA WAICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

OSAKA TRANSFORMER CO LTD

1 patent

US4409465AOct 11, 1983

Pulse arc welding method and device in which pulse current and background current have a constant current characteristic

OSAKA TRANSFORMER CO LTD47 citations88

DAIHEN CORP

1 patent

US6156998ADec 5, 2000

Control of welding arc length

DAIHEN CORP21 citations86