Inventor
SEKIYA MAMORU
JP18 patents
⚠️ This page may combine multiple inventors who share the name “SEKIYA MAMORU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ONKYO KK
13 patentsUS7835538B2Nov 16, 2010
Loudspeaker
ONKYO KK12 citations83
US7456668B2Nov 25, 2008
Pulse width modulation circuit and switching amplifier using the same
ONKYO KK7 citations73
US6697002B2Feb 24, 2004
Low-pass filter
ONKYO KK7 citations69
US7652358B2Jan 26, 2010
Semiconductor device including main substrate and sub substrates
ONKYO KK6 citations60
US7466192B2Dec 16, 2008
Low-pass filter and voltage-current conversion circuit used in the same
ONKYO KK3 citations60
US7224217B2May 29, 2007
Switching amplifier
ONKYO KK3 citations54
US9787319B2Oct 10, 2017
Signal modulation circuit
ONKYO KK1 citations51
US9590654B2Mar 7, 2017
Signal modulation circuit
ONKYO KK0 citations51
US9350378B2May 24, 2016
Signal modulation circuit
ONKYO KK0 citations51
US9287867B2Mar 15, 2016
Pulse synthesizing circuit
ONKYO KK1 citations51
US8970269B2Mar 3, 2015
Pulse width modulator and switching amplifier
ONKYO KK1 citations51
US7710175B2May 4, 2010
Pulse width modulation circuit and switching amplifier using the same
ONKYO KK0 citations41
US7773373B2Aug 10, 2010
Vibration-damping structure for audio apparatus
ONKYO KK0 citations37