Assignee
KAWARAI HISAKATSU
JP·3 granted patents·4 citations·filing 2006–2009
Top patents by PatentIndex Score
3 records- 0168US8217296B2Fluid-quality control method, fluid-quality control apparatus, and electric-discharge machining apparatus employing the sameKAWARAI HISAKATSU·Filed 2006·Granted Jul 10, 2012·4 cites·23 claims
- 0246US8058582B2Electrical discharge machining apparatus and electrical discharge machining methodKAWARAI HISAKATSU·Filed 2006·Granted Nov 15, 2011·0 cites·20 claims
- 0345US8753516B2Corrosion preventing apparatus, corrosion preventing method, and wire electric discharge machining apparatusKAWARAI HISAKATSU·Filed 2009·Granted Jun 17, 2014·0 cites·21 claims
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