Assignee
YOSHIDA IRON WORKS CO LTD
2 granted patents·21 citations·filing 1978–1980
Top patents by PatentIndex Score
2 records- 0180US4297133AMethod and means for adding treating agent for molten metalYOSHIDA IRON WORKS CO LTD·Filed 1980·Granted Oct 27, 1981·12 cites·13 claims
- 0260US4200456AMethod of and member for adding treating agent for molten metalYOSHIDA IRON WORKS CO LTD·Filed 1978·Granted Apr 29, 1980·9 cites·2 claims
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