Assignee
SUMIKIN COKE CO LTD
JP·4 granted patents·55 citations·filing 1976–1986
Top patents by PatentIndex Score
4 records- 0177US4318779AMethod of manufacture of blast furnace cokes containing substantial amounts of low grade coalsSUMIKIN COKE CO LTD·Filed 1980·Granted Mar 9, 1982·19 cites·8 claims
- 0259US4178215AMethod of manufacturing blast furnace cokeSUMIKIN COKE CO LTD·Filed 1976·Granted Dec 11, 1979·15 cites·15 claims
- 0353US4674054AAutomatic control method for coke oven working machines and fixed position control apparatus thereforSUMIKIN COKE CO LTD·Filed 1986·Granted Jun 16, 1987·12 cites·2 claims
- 0445US4100031AProcess for preparing blast furnace cokesSUMIKIN COKE CO LTD·Filed 1977·Granted Jul 11, 1978·9 cites·8 claims
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