Assignee
OHAMA YASUO
JP·2 granted patents·5 citations·filing 2004–2008
Top patents by PatentIndex Score
2 records- 0160US8277559B2Quartz glass crucible for pulling up silicon single crystal and method for manufacture thereofOHAMA YASUO·Filed 2004·Granted Oct 2, 2012·5 cites·12 claims
- 0249US8555674B2Quartz glass crucible for silicon single crystal pulling operation and process for manufacturing the sameOHAMA YASUO·Filed 2008·Granted Oct 15, 2013·0 cites·9 claims
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