Inventor · disambiguated record
Ichiro Yasumura
Also filed as: YASUMURA ICHIRO
3 granted patents·13 citations·filing 1988–1990
61Inventor score
Files withSUMITOMO METAL IND3
Top patents by PatentIndex Score
3 records- 0134US5005395AMethod of manufacturing electric welded pipes under hot conditionsSUMITOMO METAL IND·Filed 1990·Granted Apr 9, 1991·8 cites·43 claims
- 0228US4945743AApparatus for manufacturing electric welded pipes under hot conditionsSUMITOMO METAL IND·Filed 1988·Granted Aug 7, 1990·5 cites·3 claims
- 0323US4936723AMethod and apparatus for cutting off the beads of seam-welded pipesSUMITOMO METAL IND·Filed 1988·Granted Jun 26, 1990·0 cites·15 claims
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