YS

Youji Semba

Yamaha: 13 patents #172 of 2,001Top 9%
Overall (All Time): #380,740 of 4,157,543Top 10%
13
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
10028015 Signal processing apparatus and signal processing method Hiroyuki Fujita 2018-07-17
8064614 Audio signal delivery management system, audio signal acquiring and transmitting apparatus, audio signal identifying and outputting apparatus, and audio signal delivering apparatus Kiyohisa Sugii 2011-11-22
5997308 Apparatus for displaying words in a karaoke system 1999-12-07
5974387 Audio recompression from higher rates for karaoke, video games, and other applications Yasuo Kageyama, Shinji Koezuka 1999-10-26
5931680 Score information display apparatus 1999-08-03
5929359 Karaoke apparatus with concurrent start of audio and video upon request Takuro Sone, Yukio Tada 1999-07-27
5890910 Method of managing information files in a communication karaoke apparatus and a communication karaoke apparatus Kanehisa Tsurumi, Yuichi Murai 1999-04-06
5824934 Karaoke system including host apparatus that downloads information file based on list of necessary information files Kanehisa Tsurumi, Yuichi Murai 1998-10-20
5810603 Karaoke network system with broadcasting of background pictures Hirokazu Kato, Minoru Ogita 1998-09-22
5654516 Karaoke system having a playback source with pre-stored data and a music synthesizing source with rewriteable data Masashi Tashiro 1997-08-05
5542000 Karaoke apparatus having automatic effector control 1996-07-30
5410097 Karaoke apparatus with skip and repeat operation of orchestra accompaniment Hirokazu Kato 1995-04-25
5229756 Image control apparatus Naohiro Kosugi, Katsuji Yoshimura 1993-07-20