Inventor · disambiguated record
Koichi Chotoku
Also filed as: CHOTOKU KOICHI
15 granted patents·243 citations·filing 1998–2010
92Inventor score
Top patents by PatentIndex Score
15 records- 0191US6330214B1Signal recording/reproducing apparatus and methodSONY CORP·Filed 1998·Granted Dec 11, 2001·56 cites·5 claims
- 0288US6728473B1Moving picture recording and reproduction apparatus and method as well as mediumSONY CORP·Filed 2000·Granted Apr 27, 2004·25 cites·7 claims
- 0386US6542695B1Video signal recording/reproduction apparatus and method with multi-picture displaySONY CORP·Filed 1998·Granted Apr 1, 2003·96 cites·10 claims
- 0485US6388968B1Signal recording/reproducing apparatus and methodSONY CORP·Filed 2001·Granted May 14, 2002·16 cites·5 claims
- 0573US7164846B2Video-signal recording and playback apparatus, video-signal recording and playback method, and recording mediumSONY CORP·Filed 2001·Granted Jan 16, 2007·10 cites·12 claims
- 0668US7076151B2Image recording apparatus and method, image playback apparatus and method, and recording mediumSONY CORP·Filed 2001·Granted Jul 11, 2006·7 cites·10 claims
- 0753US7200322B2Video-signal recording and playback apparatus, video-signal recording and playback method and recording mediumSONY CORP·Filed 2001·Granted Apr 3, 2007·1 cites·8 claims
- 0852US7149413B2Video-signal recording and playback apparatus, video-signal recording and playback method, and recording mediumSONY CORP·Filed 2001·Granted Dec 12, 2006·2 cites·6 claims
- 0948US8600219B2Video-signal recording and playback apparatus, video-signal recording and playback method, and recording mediumOHTA MASASHI·Filed 2006·Granted Dec 3, 2013·0 cites·14 claims
- 1048US6574418B1Apparatus and method for reproduction and distribution mediumSONY CORP·Filed 1999·Granted Jun 3, 2003·12 cites·11 claims
- 1147US6529679B1Information processing apparatus and method as well as providing mediumSONY CORP·Filed 1999·Granted Mar 4, 2003·7 cites·6 claims
- 1246US6411774B1Apparatus and method of reproducing audio/video signal from recording medium with reduced or eliminated initial delaySONY CORP·Filed 1998·Granted Jun 25, 2002·7 cites·15 claims
- 1339US6847776B2Signal record/playback apparatus and method featuring independent recording and playback processingSONY CORP·Filed 1999·Granted Jan 25, 2005·4 cites·26 claims
- 1435US8565425B2Recording medium, method for manufacturing the same and apparatus for reproducing the sameOONUMA KENSUKE·Filed 2010·Granted Oct 22, 2013·0 cites·30 claims
- 1534US8918604B2Information processing apparatus, information processing method, program, and recording mediumOHNUMA KENSUKE·Filed 2010·Granted Dec 23, 2014·0 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →