Inventor · disambiguated record
Kenya Nakai
Also filed as: NAKAI KENYA
24 granted patents·1 pending application·21 citations·filing 2002–2021
91Inventor score
Top patents by PatentIndex Score
25 records- 0186US10670522B2Micro object detection apparatusMITSUBISHI ELECTRIC CORP·Filed 2019·Granted Jun 2, 2020·2 cites·14 claims
- 0281US9958376B2Floating particle detection deviceMITSUBISHI ELECTRIC CORP·Filed 2015·Granted May 1, 2018·2 cites·20 claims
- 0378US10241043B2Micro object detection apparatusMITSUBISHI ELECTRIC CORP·Filed 2016·Granted Mar 26, 2019·1 cites·4 claims
- 0478US7839733B2Optical device and optical disc apparatus utilizing the optical deviceMITSUBISHI ELECTRIC CORP·Filed 2005·Granted Nov 23, 2010·4 cites·12 claims
- 0574US11719615B2Particle detection deviceMITSUBISHI ELECTRIC CORP·Filed 2018·Granted Aug 8, 2023·2 cites·17 claims
- 0673US8472300B2Optical head device and optical disc deviceSHINODA MASAHISA·Filed 2011·Granted Jun 25, 2013·4 cites·19 claims
- 0766US7697401B2Optical head device and optical disk apparatusMITSUBISHI ELECTRIC CORP·Filed 2005·Granted Apr 13, 2010·1 cites·33 claims
- 0865US8270264B2Optical head apparatus, optical disk apparatus and optical diskNAKAI KENYA·Filed 2008·Granted Sep 18, 2012·1 cites·4 claims
- 0955US6912192B2Semiconductor laser unit and optical head deviceMITSUBISHI ELECTRIC CORP·Filed 2002·Granted Jun 28, 2005·3 cites·11 claims
- 1053US8693295B2Optical disc medium and optical disc deviceNAKAI KENYA·Filed 2007·Granted Apr 8, 2014·0 cites·14 claims
- 1153US7782730B2Optical-pickup-adjustment optical disk, method of adjusting optical pickup device, and method of producing optical pickup deviceMITSUBISHI ELECTRIC CORP·Filed 2008·Granted Aug 24, 2010·0 cites·10 claims
- 1252US8014257B2Extraction optical system and optical head device including the sameMITSUBISHI ELECTRIC CORP·Filed 2008·Granted Sep 6, 2011·0 cites·10 claims
- 1351US8130621B2Optical head device and optical disk playback systemNAKAI KENYA·Filed 2008·Granted Mar 6, 2012·0 cites·14 claims
- 1450US8134908B2Diffractive optical element and optical pickupSHINODA MASAHISA·Filed 2008·Granted Mar 13, 2012·0 cites·11 claims
- 1548US7266072B2Semiconductor laser unit and optical head deviceMITSUBISHI ELECTRIC CORP·Filed 2004·Granted Sep 4, 2007·1 cites·13 claims
- 1644US9472231B2Optical information recording medium and recording/reproducing deviceMITSUBISHI ELECTRIC CORP·Filed 2014·Granted Oct 18, 2016·0 cites·20 claims
- 1742US10788362B2Light detection deviceMITSUBISHI ELECTRIC CORP·Filed 2016·Granted Sep 29, 2020·0 cites·20 claims
- 1842US2025104206A1Image capturing system and image capturing methodMITSUBISHI ELECTRIC CORP·Filed 2021·Application pending·0 cites
- 1940US8971163B2Optical disc device, optical disc and testing method of optical discNAKAI KENYA·Filed 2012·Granted Mar 3, 2015·0 cites·6 claims
- 2040US8537653B2Optical information recording medium and drive deviceNAKAI KENYA·Filed 2011·Granted Sep 17, 2013·0 cites·13 claims
- 2139US9936176B2Image protection device and adjustment methodMITSUBISHI ELECTRIC CORP·Filed 2015·Granted Apr 3, 2018·0 cites·20 claims
- 2237US8787135B2Signal processing device, signal processing method, and optical disc apparatusOMAKI MASAYUKI·Filed 2012·Granted Jul 22, 2014·0 cites·10 claims
- 2337US8355309B2Optical pickup deviceFUNAI ELECTRIC CO·Filed 2010·Granted Jan 15, 2013·0 cites·9 claims
- 2435US9007881B2Optical head device and optical disc deviceOMAKI MASAYUKI·Filed 2012·Granted Apr 14, 2015·0 cites·6 claims
- 2533US8339909B2Optical disc deviceNAKAI KENYA·Filed 2010·Granted Dec 25, 2012·0 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →