Inventor
NAKATSUYAMA TAKASHI
US14 patents
⚠️ This page may combine multiple inventors who share the name “NAKATSUYAMA TAKASHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SONY CORP
13 patentsUS6658231B2Dec 2, 2003
Receiver for user-demand information and entertainment system using wide area digital broadcast
SONY CORP65 citations95
US6253246B1Jun 26, 2001
Data service system, data distribution unit, data terminal, and data distribution method
SONY CORP59 citations95
US6754619B1Jun 22, 2004
Digital recording and playback system with voice recognition capability for concurrent text generation
SONY CORP14 citations92
US6658062B1Dec 2, 2003
User-demand information and entertainment system using wide area digital broadcast
SONY CORP41 citations92
US6574598B1Jun 3, 2003
Transmitter and receiver, apparatus and method, all for delivery of information
SONY CORP20 citations92
US7243241B1Jul 10, 2007
Data distributing apparatus and terminal apparatus for data distribution
SONY CORP11 citations80
US6870907B1Mar 22, 2005
Data distribution system, distribution equipment, terminal equipment and data distribution method
SONY CORP9 citations73
US4436959AMar 13, 1984
Automatic telephone answering device
SONY CORP12 citations73
US4656617AApr 7, 1987
Start-control method and circuit for optical disc play-back system
SONY CORP7 citations71
US7295969B1Nov 13, 2007
Digital recording and playback system with voice recognition capability for concurrent text generation
SONY CORP2 citations62
US5546143AAug 13, 1996
Recording device and projecting device for motion picture film
SONY CORP3 citations62
US4896225AJan 23, 1990
Tape recording and/or reproducing apparatus
SONY CORP3 citations62
US4549233AOct 22, 1985
Position control system
SONY CORP6 citations59