Assignee
SUMIYA HITOSHI
JP·5 granted patents·1 pending application·16 citations·filing 2004–2012
Top patents by PatentIndex Score
6 records- 0189US9192899B2High-hardness conductive diamond polycrystalline body and method of producing the sameSUMIYA HITOSHI·Filed 2012·Granted Nov 24, 2015·6 cites·7 claims
- 0271US8784767B2Polycrystalline diamond and method of manufacturing the sameSUMIYA HITOSHI·Filed 2011·Granted Jul 22, 2014·1 cites·14 claims
- 0367US8226922B2High-hardness conductive diamond polycrystalline body and method of producing the sameSUMIYA HITOSHI·Filed 2004·Granted Jul 24, 2012·7 cites·10 claims
- 0465US9061336B2Wire drawing dieSUMIYA HITOSHI·Filed 2008·Granted Jun 23, 2015·2 cites·12 claims
- 0546US9227166B2High-hardness polycrystalline diamond and method of preparing the sameSUMIYA HITOSHI·Filed 2006·Granted Jan 5, 2016·0 cites·16 claims
- 0640US2010083583A1Cutting toolSUMIYA HITOSHI·Filed 2008·Application pending·0 cites
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