Assignee
OTSUKA KOJI
JP·10 granted patents·1 pending application·11 citations·filing 2003–2017
Top patents by PatentIndex Score
11 records- 0186US8460843B2Method for finishing surface of preliminary polished glass substrateOTSUKA KOJI·Filed 2011·Granted Jun 11, 2013·6 cites·7 claims
- 0266US8137574B2Processing method of glass substrate, and highly flat and highly smooth glass substrateOTSUKA KOJI·Filed 2008·Granted Mar 20, 2012·4 cites·28 claims
- 0361US8608350B2Lighting deviceOTSUKA KOJI·Filed 2011·Granted Dec 17, 2013·1 cites·4 claims
- 0452US8182708B2Method of finishing pre-polished glass substrate surfaceOTSUKA KOJI·Filed 2007·Granted May 22, 2012·0 cites·20 claims
- 0551US10204615B2Noise-cancelling headphoneOTSUKA KOJI·Filed 2017·Granted Feb 12, 2019·0 cites·14 claims
- 0650US9959858B2Noise-cancelling headphoneOTSUKA KOJI·Filed 2016·Granted May 1, 2018·0 cites·14 claims
- 0749US8466930B2Color adjustment circuitOTSUKA KOJI·Filed 2008·Granted Jun 18, 2013·0 cites·11 claims
- 0847US8676091B2Charging device and image forming apparatusOTSUKA KOJI·Filed 2011·Granted Mar 18, 2014·0 cites·12 claims
- 0942US8942472B2Color judging apparatus, color judging method, image processing circuit and programOTSUKA KOJI·Filed 2011·Granted Jan 27, 2015·0 cites·11 claims
- 1037US9913020B2Noise-cancelling headphoneOTSUKA KOJI·Filed 2016·Granted Mar 6, 2018·0 cites·18 claims
- 1137US2006113544A1Semiconductor light-emitting device, method for manufacturing same, and linear light sourceOTSUKA KOJI·Filed 2003·Application pending·0 cites
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