Inventor · disambiguated record
Toshio Ohnishi
Also filed as: OHNISHI TOSHIO
6 granted patents·1 pending application·96 citations·filing 1996–2004
85Inventor score
Top patents by PatentIndex Score
7 records- 0194US6006789AMethod of preparing a steel pipe, an apparatus thereof and a steel pipeKAWASAKI STEEL CO·Filed 1996·Granted Dec 28, 1999·32 cites·15 claims
- 0284US5942132AMethod of and apparatus for producing steel pipesKAWASAKI STEEL CO·Filed 1997·Granted Aug 24, 1999·23 cites·38 claims
- 0380US6216940B1Pipe forming roll apparatus and methodKAWASAKI STEEL CO·Filed 2000·Granted Apr 17, 2001·10 cites·1 claims
- 0477US6216511B1Apparatus and method for smoothing a welded seam of steel pipeKAWASAKI STEEL CO·Filed 1998·Granted Apr 17, 2001·16 cites·13 claims
- 0572US6375059B2Method for smoothing steel pipe seam portionKAWASAKI STEEL CO·Filed 2001·Granted Apr 23, 2002·6 cites·3 claims
- 0643US6041632APipe forming roll apparatus and methodKAWASAKI STEEL CO·Filed 1998·Granted Mar 28, 2000·9 cites·14 claims
- 0740US2006218985A1Tube with high dimensional accuracy, and method and device for manufacturing the tubeKENMOCHI KAZUHITO·Filed 2004·Application pending·0 cites
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