Assignee
SUMITOMO COAL MINING
JP·3 granted patents·1 pending application·87 citations·filing 2000–2004
Top patents by PatentIndex Score
4 records- 0191US6383446B1Method and system for automatic electrical sinteringSUMITOMO COAL MINING·Filed 2000·Granted May 7, 2002·41 cites·20 claims
- 0287US6515250B2Electric joining method and apparatus and a joined unit of membersSUMITOMO COAL MINING·Filed 2001·Granted Feb 4, 2003·25 cites·15 claims
- 0375US6881048B1Apparatus for automatically loading powder material into a moldSUMITOMO COAL MINING·Filed 2000·Granted Apr 19, 2005·21 cites·19 claims
- 0443US2005089436A1Method and apparatus for automatically loading powder material into a moldSUMITOMO COAL MINING·Filed 2004·Application pending·0 cites
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