Inventor · disambiguated record
Toshihiko Masuda
Also filed as: MASUDA TOSHIHIKO
32 granted patents·2 pending applications·648 citations·filing 1974–2021
97Inventor score
Top patents by PatentIndex Score
34 records- 0191US5174785ALow insertion-withdrawal force electric connectorYAZAKI CORP·Filed 1991·Granted Dec 29, 1992·79 cites·9 claims
- 0288US6281824B1Digital to analog converter using constant current sourcesSONY CORP·Filed 1999·Granted Aug 28, 2001·43 cites·3 claims
- 0387US6812785B2Digital power amplifier and digital/analog converterSONY CORP·Filed 2002·Granted Nov 2, 2004·41 cites·18 claims
- 0486US6795004B2Delta-sigma modulation apparatus and signal amplification apparatusSONY CORP·Filed 2002·Granted Sep 21, 2004·40 cites·10 claims
- 0586US5457255ACatalysts for hydrogenolytic dealkylation and use thereofMITSUBISHI OIL CO·Filed 1994·Granted Oct 10, 1995·29 cites·5 claims
- 0683US5952535ASelective catalytic conversion of a C9 aromatic feedstock containing substantial amounts of ethyl substituted aromatic components to a product rich in toluene and/or xylenesCATALYTICA INC·Filed 1996·Granted Sep 14, 1999·29 cites·11 claims
- 0783US5148168ADigital-to-analog converter using pulse-width modulationSONY CORP·Filed 1991·Granted Sep 15, 1992·56 cites·4 claims
- 0882US6734725B2Power amplifierSONY CORP·Filed 2002·Granted May 11, 2004·29 cites·7 claims
- 0981US5618206AWaterproof connector having a connector housing with a plurality of terminal accommodation chambers and a seal hoodYAZAKI CORP·Filed 1995·Granted Apr 8, 1997·43 cites·5 claims
- 1073US11115740B2Flat panel speaker and display unitSONY CORP·Filed 2017·Granted Sep 7, 2021·2 cites·18 claims
- 1173US6586991B2Digital power amplifierSONY CORP·Filed 2001·Granted Jul 1, 2003·18 cites·6 claims
- 1271US6362765B2D/A converterSONY CORP·Filed 2001·Granted Mar 26, 2002·13 cites·6 claims
- 1368US7432760B2Digital amplifier apparatus and method of muting digital amplifier apparatusSONY CORP·Filed 2006·Granted Oct 7, 2008·7 cites·8 claims
- 1468US6304200B1Digital/analog conversion apparatus and reproduction apparatusSONY CORP·Filed 1999·Granted Oct 16, 2001·28 cites·17 claims
- 1567US6917242B2Power amplifierSONY CORP·Filed 2002·Granted Jul 12, 2005·14 cites·16 claims
- 1667US6075473AMultibit digital to analog converter having deglitch means with current switchingSONY CORP·Filed 1998·Granted Jun 13, 2000·15 cites·5 claims
- 1766US7221297B2D/A converter and output amplifying circuitSONY CORP·Filed 2002·Granted May 22, 2007·14 cites·7 claims
- 1862US7209002B2Audio amplifierSONY CORP·Filed 2003·Granted Apr 24, 2007·11 cites·2 claims
- 1961US5021788ADigital analog converterSONY CORP·Filed 1990·Granted Jun 4, 1991·25 cites·5 claims
- 2060US11356759B2Display apparatusSONY GROUP CORP·Filed 2020·Granted Jun 7, 2022·0 cites·9 claims
- 2158US7132884B2Power amplification deviceSONY CORP·Filed 2003·Granted Nov 7, 2006·9 cites·4 claims
- 2258US5230636ATerminal protection type connectorYAZAKI CORP·Filed 1992·Granted Jul 27, 1993·20 cites·8 claims
- 2358US5073778ADigital to analog converter with dither using two parallel pathsSONY CORP·Filed 1989·Granted Dec 17, 1991·22 cites·5 claims
- 2455US5144306ANoise shaping circuitSONY CORP·Filed 1991·Granted Sep 1, 1992·23 cites·6 claims
- 2554US5189788AMetal terminal locking method and deviceYAZAKI CORP·Filed 1991·Granted Mar 2, 1993·18 cites·10 claims
- 2653US11659309B2Display apparatusSONY GROUP CORP·Filed 2017·Granted May 23, 2023·0 cites·7 claims
- 2748US6388598B2D/A converterSONY CORP·Filed 2001·Granted May 14, 2002·3 cites·4 claims
- 2847US7492218B2Digital amplifier apparatus and method of resetting a digital amplifier apparatusSONY CORP·Filed 2006·Granted Feb 17, 2009·2 cites·7 claims
- 2942US3959441ADesulfurization processKOBE STEEL LTD·Filed 1974·Granted May 25, 1976·8 cites·9 claims
- 3039US5343197ADigital-to-analog converterSONY CORP·Filed 1993·Granted Aug 30, 1994·7 cites·5 claims
- 3139US2007133810A1Sound field correction apparatusSONY CORP·Filed 2006·Application pending·0 cites
- 3237US7528662B2Signal amplification apparatus and signal amplification methodSONY CORP·Filed 2006·Granted May 5, 2009·0 cites·12 claims
- 3336US2024015426A1Display DeviceSONY GROUP CORP·Filed 2021·Application pending·0 cites
- 3426US7315209B2Power amplifier apparatus and DC component removing methodSONY CORP·Filed 2005·Granted Jan 1, 2008·0 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →