Assignee
OHTA MASAFUMI
JP·5 granted patents·2 citations·filing 2008–2012
Top patents by PatentIndex Score
5 records- 0165US8232376B2Azo compound and method of preparing the azo compoundOHTA MASAFUMI·Filed 2008·Granted Jul 31, 2012·2 cites·6 claims
- 0258US8541557B2Azo compound and method of preparing the azo compoundOHTA MASAFUMI·Filed 2012·Granted Sep 24, 2013·0 cites·1 claims
- 0357US8232031B2Naphthalenetetracarboxylic acid diimide derivative and electrophotographic photoconductor having the sameOHTA MASAFUMI·Filed 2008·Granted Jul 31, 2012·0 cites·11 claims
- 0451US8207312B2Method of preparing complex-AZO pigment and complex-AZO pigment thereofOHTA MASAFUMI·Filed 2009·Granted Jun 26, 2012·0 cites·10 claims
- 0539US8767748B2Signal distribution circuit and stuffing control unitOHTA MASAFUMI·Filed 2011·Granted Jul 1, 2014·0 cites·11 claims
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