Inventor · disambiguated record
Masakatsu Toyoshima
Also filed as: TOYOSHIMA MASAKATSU
16 granted patents·926 citations·filing 1974–2005
95Inventor score
Top patents by PatentIndex Score
16 records- 0198US4866515APassenger service and entertainment system for supplying frequency-multiplexed video, audio, and television game software signals to passenger seat terminalsSONY CORP·Filed 1988·Granted Sep 12, 1989·386 cites·20 claims
- 0293US4787085ADigital signal transmitting systemNIPPON TELEGRAPH & TELEPHONE·Filed 1987·Granted Nov 22, 1988·190 cites·9 claims
- 0392US6980819B2Radio communication system, and apparatus, method, and computer program for said radio communication systemSONY CORP·Filed 2005·Granted Dec 27, 2005·22 cites·3 claims
- 0492US4958381ATwo way communication systemSONY CORP·Filed 1988·Granted Sep 18, 1990·88 cites·10 claims
- 0588US7233804B2Radio communication system, and apparatus, method, and computer program for said radio communication systemSONY CORP·Filed 2003·Granted Jun 19, 2007·44 cites·9 claims
- 0681US4684981ADigital terminal address transmitting for CATVSONY CORP·Filed 1984·Granted Aug 4, 1987·36 cites·4 claims
- 0773US4683586AScrambling system for an audio frequency signalSONY CORP·Filed 1983·Granted Jul 28, 1987·24 cites·3 claims
- 0870US3939425ANoise-squelching circuit using a phase-locked loopSONY CORP·Filed 1974·Granted Feb 17, 1976·16 cites·6 claims
- 0965US6779195B2Signal processing apparatus and signal receiving apparatusSONY CORP·Filed 1999·Granted Aug 17, 2004·32 cites·2 claims
- 1065US4635274ABidirectional digital signal communication systemSONY CORP·Filed 1985·Granted Jan 6, 1987·31 cites·11 claims
- 1163US4298989ATuning apparatusSONY CORP·Filed 1980·Granted Nov 3, 1981·18 cites·18 claims
- 1263US3939424ARadio receiver with a phase locked loop for a demodulatorSONY CORP·Filed 1974·Granted Feb 17, 1976·12 cites·7 claims
- 1351US4600941AScrambling system for audio frequency signalsSONY CORP·Filed 1983·Granted Jul 15, 1986·10 cites·7 claims
- 1438US7779442B1Information distribution systemSONY CORP·Filed 1999·Granted Aug 17, 2010·8 cites·8 claims
- 1535US3971986ARemote control system for radio receiverSONY CORP·Filed 1974·Granted Jul 27, 1976·3 cites·5 claims
- 1634US6587503B1Information processing apparatus and methodSONY CORP·Filed 1999·Granted Jul 1, 2003·6 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →