Inventor
CHOTOKU KOICHI
JP15 patents
⚠️ This page may combine multiple inventors who share the name “CHOTOKU KOICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SONY CORP
12 patentsUS6542695B1Apr 1, 2003
Video signal recording/reproduction apparatus and method with multi-picture display
SONY CORP96 citations97
US6330214B1Dec 11, 2001
Signal recording/reproducing apparatus and method
SONY CORP56 citations96
US6728473B1Apr 27, 2004
Moving picture recording and reproduction apparatus and method as well as medium
SONY CORP25 citations92
US6388968B1May 14, 2002
Signal recording/reproducing apparatus and method
SONY CORP16 citations92
US7164846B2Jan 16, 2007
Video-signal recording and playback apparatus, video-signal recording and playback method, and recording medium
SONY CORP10 citations84
US6574418B1Jun 3, 2003
Apparatus and method for reproduction and distribution medium
SONY CORP12 citations74
US7076151B2Jul 11, 2006
Image recording apparatus and method, image playback apparatus and method, and recording medium
SONY CORP7 citations73
US6529679B1Mar 4, 2003
Information processing apparatus and method as well as providing medium
SONY CORP7 citations73
US6411774B1Jun 25, 2002
Apparatus and method of reproducing audio/video signal from recording medium with reduced or eliminated initial delay
SONY CORP7 citations73
US6847776B2Jan 25, 2005
Signal record/playback apparatus and method featuring independent recording and playback processing
SONY CORP4 citations63
US7149413B2Dec 12, 2006
Video-signal recording and playback apparatus, video-signal recording and playback method, and recording medium
SONY CORP2 citations61
US7200322B2Apr 3, 2007
Video-signal recording and playback apparatus, video-signal recording and playback method and recording medium
SONY CORP1 citations52