Inventor
MASUDA TOSHIHIKO
JP32 patents
⚠️ This page may combine multiple inventors who share the name “MASUDA TOSHIHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SONY CORP
23 patentsUS6281824B1Aug 28, 2001
Digital to analog converter using constant current sources
SONY CORP43 citations96
US5148168ASep 15, 1992
Digital-to-analog converter using pulse-width modulation
SONY CORP56 citations95
US6812785B2Nov 2, 2004
Digital power amplifier and digital/analog converter
SONY CORP41 citations92
US6795004B2Sep 21, 2004
Delta-sigma modulation apparatus and signal amplification apparatus
SONY CORP40 citations92
US6734725B2May 11, 2004
Power amplifier
SONY CORP29 citations92
US6304200B1Oct 16, 2001
Digital/analog conversion apparatus and reproduction apparatus
SONY CORP28 citations92
US5144306ASep 1, 1992
Noise shaping circuit
SONY CORP23 citations92
US5073778ADec 17, 1991
Digital to analog converter with dither using two parallel paths
SONY CORP22 citations92
US5021788AJun 4, 1991
Digital analog converter
SONY CORP25 citations89
US7221297B2May 22, 2007
D/A converter and output amplifying circuit
SONY CORP14 citations84
US7209002B2Apr 24, 2007
Audio amplifier
SONY CORP11 citations84
US6917242B2Jul 12, 2005
Power amplifier
SONY CORP14 citations84
US6586991B2Jul 1, 2003
Digital power amplifier
SONY CORP18 citations84
US6362765B2Mar 26, 2002
D/A converter
SONY CORP13 citations82
US6075473AJun 13, 2000
Multibit digital to analog converter having deglitch means with current switching
SONY CORP15 citations82
US7132884B2Nov 7, 2006
Power amplification device
SONY CORP9 citations74
US5343197AAug 30, 1994
Digital-to-analog converter
SONY CORP7 citations74
US11115740B2Sep 7, 2021
Flat panel speaker and display unit
SONY CORP2 citations72
US7432760B2Oct 7, 2008
Digital amplifier apparatus and method of muting digital amplifier apparatus
SONY CORP7 citations71
US6388598B2May 14, 2002
D/A converter
SONY CORP3 citations63
US7492218B2Feb 17, 2009
Digital amplifier apparatus and method of resetting a digital amplifier apparatus
SONY CORP2 citations60
US7528662B2May 5, 2009
Signal amplification apparatus and signal amplification method
SONY CORP0 citations51
US7315209B2Jan 1, 2008
Power amplifier apparatus and DC component removing method
SONY CORP0 citations31
YAZAKI CORP
4 patentsUS5174785ADec 29, 1992
Low insertion-withdrawal force electric connector
YAZAKI CORP79 citations96
US5618206AApr 8, 1997
Waterproof connector having a connector housing with a plurality of terminal accommodation chambers and a seal hood
YAZAKI CORP43 citations92
US5230636AJul 27, 1993
Terminal protection type connector
YAZAKI CORP20 citations82
US5189788AMar 2, 1993
Metal terminal locking method and device
YAZAKI CORP18 citations74