Inventor · disambiguated record
Takashi Nakatsuyama
Also filed as: NAKATSUYAMA TAKASHI
14 granted patents·2 pending applications·252 citations·filing 1981–2007
93Inventor score
Top patents by PatentIndex Score
16 records- 0190US6658231B2Receiver for user-demand information and entertainment system using wide area digital broadcastSONY CORP·Filed 2000·Granted Dec 2, 2003·65 cites·17 claims
- 0286US6658062B1User-demand information and entertainment system using wide area digital broadcastSONY CORP·Filed 2000·Granted Dec 2, 2003·41 cites·29 claims
- 0377US6253246B1Data service system, data distribution unit, data terminal, and data distribution methodSONY CORP·Filed 1998·Granted Jun 26, 2001·59 cites·21 claims
- 0458US4436959AAutomatic telephone answering deviceSONY CORP·Filed 1981·Granted Mar 13, 1984·12 cites·19 claims
- 0552US7295969B1Digital recording and playback system with voice recognition capability for concurrent text generationSONY CORP·Filed 2004·Granted Nov 13, 2007·2 cites·19 claims
- 0647US2004123333A1Receiver for user-demand information and entertainment system using wide area digital broadcastFiled 2003·Application pending·0 cites
- 0746US4656617AStart-control method and circuit for optical disc play-back systemSONY CORP·Filed 1985·Granted Apr 7, 1987·7 cites·5 claims
- 0844US6574598B1Transmitter and receiver, apparatus and method, all for delivery of informationSONY CORP·Filed 1999·Granted Jun 3, 2003·20 cites·37 claims
- 0943US8112270B2Digital recording and playback system with voice recognition capability for concurrent text generationNAKATSUYAMA TAKASHI·Filed 2007·Granted Feb 7, 2012·0 cites·22 claims
- 1043US6754619B1Digital recording and playback system with voice recognition capability for concurrent text generationSONY CORP·Filed 1999·Granted Jun 22, 2004·14 cites·30 claims
- 1142US6870907B1Data distribution system, distribution equipment, terminal equipment and data distribution methodSONY CORP·Filed 1998·Granted Mar 22, 2005·9 cites·9 claims
- 1241US5546143ARecording device and projecting device for motion picture filmSONY CORP·Filed 1994·Granted Aug 13, 1996·3 cites·6 claims
- 1341US2002143550A1Voice recognition shopping systemFiled 2001·Application pending·0 cites
- 1437US4896225ATape recording and/or reproducing apparatusSONY CORP·Filed 1988·Granted Jan 23, 1990·3 cites·11 claims
- 1534US7243241B1Data distributing apparatus and terminal apparatus for data distributionSONY CORP·Filed 1999·Granted Jul 10, 2007·11 cites·37 claims
- 1633US4549233APosition control systemSONY CORP·Filed 1983·Granted Oct 22, 1985·6 cites·20 claims
Join the waitlist — get patent alerts
Get an alert when Takashi Nakatsuyama files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →