Assignee
OKA TETSUYA
JP·2 granted patents·1 pending application·1 citations·filing 2009–2012
Top patents by PatentIndex Score
3 records- 0160US9830560B2Billing management system, image processing apparatus, billing control method and recording mediumOKA TETSUYA·Filed 2009·Granted Nov 28, 2017·1 cites·22 claims
- 0237US9390905B2Method for manufacturing silicon substrate and silicon substrateOKA TETSUYA·Filed 2012·Granted Jul 12, 2016·0 cites·4 claims
- 0331US2013093060A1Method for producing silicon wafer and silicon waferOKA TETSUYA·Filed 2011·Application pending·0 cites
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