Inventor
IWAYAMA KEN
JP16 patents
⚠️ This page may combine multiple inventors who share the name “IWAYAMA KEN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOA CORP
6 patentsUS7324656B2Jan 29, 2008
Wide dispersion speaker system and cover mounting structure for instrument directly mounted to flat portion
TOA CORP21 citations92
USD531986SNov 14, 2006
Loudspeaker housing
TOA CORP41 citations92
US6658128B1Dec 2, 2003
Horn loudspeaker
TOA CORP22 citations89
US7401681B2Jul 22, 2008
Mounting support device for ceiling embedded speaker system
TOA CORP11 citations83
US6580801B1Jun 17, 2003
Loudspeaker apparatus
TOA CORP12 citations74
US7840024B2Nov 23, 2010
Wide dispersion speaker system and cover mounting structure for instrument directly mounted to flat portion
TOA CORP2 citations62
YAMAHA CORP
3 patentsUS7598461B2Oct 6, 2009
Electronic apparatus mountable on rack
YAMAHA CORP14 citations76
US8363845B2Jan 29, 2013
Speaker array apparatus and signal processing method therefor
YAMAHA CORP1 citations50
US10959020B2Mar 23, 2021
Audio signal control circuit and audio signal control method
YAMAHA CORP0 citations44