Inventor · disambiguated record
Waichi Nishikawa
Also filed as: NISHIKAWA WAICHI
2 granted patents·68 citations·filing 1981–1999
66Inventor score
Technology areasB23K
Top patents by PatentIndex Score
2 records- 0185US4409465APulse arc welding method and device in which pulse current and background current have a constant current characteristicOSAKA TRANSFORMER CO LTD·Filed 1981·Granted Oct 11, 1983·47 cites·17 claims
- 0257US6156998AControl of welding arc lengthDAIHEN CORP·Filed 1999·Granted Dec 5, 2000·21 cites·3 claims
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