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
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →