Assignee
OOKUBO YASUO
JP·4 granted patents·2 citations·filing 2009–2010
Top patents by PatentIndex Score
4 records- 0162US8409319B2Silicon purification methodOOKUBO YASUO·Filed 2009·Granted Apr 2, 2013·1 cites·5 claims
- 0261US8454920B2Silicon purification methodOOKUBO YASUO·Filed 2009·Granted Jun 4, 2013·1 cites·7 claims
- 0353US8404016B2Method for refining metalOOKUBO YASUO·Filed 2009·Granted Mar 26, 2013·0 cites·4 claims
- 0441US8778143B2Silicon purification method and silicon purification deviceOOKUBO YASUO·Filed 2010·Granted Jul 15, 2014·0 cites·7 claims
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