Inventor
SEMBA YOUJI
JP13 patents
⚠️ This page may combine multiple inventors who share the name “SEMBA YOUJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
YAMAHA CORP
12 patentsUS5229756AJul 20, 1993
Image control apparatus
YAMAHA CORP566 citations96
US5974387AOct 26, 1999
Audio recompression from higher rates for karaoke, video games, and other applications
YAMAHA CORP77 citations95
US5824934AOct 20, 1998
Karaoke system including host apparatus that downloads information file based on list of necessary information files
YAMAHA CORP65 citations95
US5542000AJul 30, 1996
Karaoke apparatus having automatic effector control
YAMAHA CORP97 citations95
US5654516AAug 5, 1997
Karaoke system having a playback source with pre-stored data and a music synthesizing source with rewriteable data
YAMAHA CORP93 citations94
US5931680AAug 3, 1999
Score information display apparatus
YAMAHA CORP31 citations92
US5890910AApr 6, 1999
Method of managing information files in a communication karaoke apparatus and a communication karaoke apparatus
YAMAHA CORP32 citations92
US5810603ASep 22, 1998
Karaoke network system with broadcasting of background pictures
YAMAHA CORP53 citations92
US5410097AApr 25, 1995
Karaoke apparatus with skip and repeat operation of orchestra accompaniment
YAMAHA CORP29 citations92
US5929359AJul 27, 1999
Karaoke apparatus with concurrent start of audio and video upon request
YAMAHA CORP17 citations84
US5997308ADec 7, 1999
Apparatus for displaying words in a karaoke system
YAMAHA CORP3 citations62
US10028015B2Jul 17, 2018
Signal processing apparatus and signal processing method
YAMAHA CORP0 citations42