Inventor
HONJI YOSHIKAZU
JP24 patents
⚠️ This page may combine multiple inventors who share the name “HONJI YOSHIKAZU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
YAMAHA CORP
17 patentsUS7925006B2Apr 12, 2011
Multi-channel echo cancel method, multi-channel sound transfer method, stereo echo canceller, stereo sound transfer apparatus and transfer function calculation apparatus
YAMAHA CORP43 citations96
US7130428B2Oct 31, 2006
Picked-up-sound recording method and apparatus
YAMAHA CORP37 citations92
US7403609B2Jul 22, 2008
Multi-channel echo cancel method, multi-channel sound transfer method, stereo echo canceller, stereo sound transfer apparatus and transfer function calculation apparatus
YAMAHA CORP15 citations91
US8714303B2May 6, 2014
Acoustic structure
YAMAHA CORP9 citations84
US8006802B2Aug 30, 2011
Acoustic structure and acoustic room
YAMAHA CORP15 citations84
US7961894B2Jun 14, 2011
Engine sound processing system
YAMAHA CORP14 citations84
US6950513B2Sep 27, 2005
Impulse response setting method for the 2-channel echo canceling filter, a two-channel echo canceller, and a two-way 2-channel voice transmission device
YAMAHA CORP17 citations80
US11869473B2Jan 9, 2024
Hollow structure and resonant sound reducing body
YAMAHA CORP3 citations74
US11514879B2Nov 29, 2022
Sound absorbing apparatus and sound absorption structure
YAMAHA CORP4 citations73
US11445292B2Sep 13, 2022
Speaker system and vehicle door
YAMAHA CORP2 citations73
US7925008B2Apr 12, 2011
Multi-channel echo cancel method, multi-channel sound transfer method, stereo echo canceller, stereo sound transfer apparatus and transfer function calculation apparatus
YAMAHA CORP5 citations72
US7114302B2Oct 3, 2006
Floor structure and floor base panel
YAMAHA CORP9 citations72
US9214148B2Dec 15, 2015
Acoustic structure
YAMAHA CORP3 citations63
US12205570B2Jan 21, 2025
Hollow structure and resonant sound reducing body
YAMAHA CORP0 citations62
US12073817B2Aug 27, 2024
Sound absorbing member, sound absorbing apparatus, and sound absorbing structure
YAMAHA CORP0 citations54
US11546679B2Jan 3, 2023
Speaker system and vehicle door therewith
YAMAHA CORP0 citations52
US11019424B2May 25, 2021
Speaker system and vehicle door
YAMAHA CORP0 citations50
HONJI YOSHIKAZU
4 patentsUS8155343B2Apr 10, 2012
Engine sound processing system
HONJI YOSHIKAZU21 citations92
US8177022B2May 15, 2012
Transmitted sound control apparatus
HONJI YOSHIKAZU9 citations83
US8885845B2Nov 11, 2014
Engine sound processing system
HONJI YOSHIKAZU14 citations82
US8631901B2Jan 21, 2014
Acoustic structure
HONJI YOSHIKAZU4 citations72