Inventor · disambiguated record
Ken Iwayama
Also filed as: IWAYAMA KEN
16 granted patents·1 pending application·178 citations·filing 1999–2019
93Inventor score
Top patents by PatentIndex Score
17 records- 0187USD531986SLoudspeaker housingTOA CORP·Filed 2005·Granted Nov 14, 2006·41 cites·1 claims
- 0284US8554347B2Remote audio amplifier monitoring systemSUYAMA AKIO·Filed 2008·Granted Oct 8, 2013·17 cites·9 claims
- 0379US7598461B2Electronic apparatus mountable on rackYAMAHA CORP·Filed 2008·Granted Oct 6, 2009·14 cites·4 claims
- 0479US7324656B2Wide dispersion speaker system and cover mounting structure for instrument directly mounted to flat portionTOA CORP·Filed 2003·Granted Jan 29, 2008·21 cites·23 claims
- 0574US8401680B2Amplifier systemMUTO TAKAAKI·Filed 2008·Granted Mar 19, 2013·8 cites·9 claims
- 0671US8155350B2Amplifier controllerSUYAMA AKIO·Filed 2009·Granted Apr 10, 2012·6 cites·5 claims
- 0768US8194904B2Speaker system with broad directivityIWAYAMA KEN·Filed 2007·Granted Jun 5, 2012·5 cites·6 claims
- 0867US6580801B1Loudspeaker apparatusTOA CORP·Filed 2000·Granted Jun 17, 2003·12 cites·10 claims
- 0965USD492286SLoudspeakerTOA KK·Filed 2003·Granted Jun 29, 2004·14 cites·1 claims
- 1064US8165334B2Speaker system and speaker cluster systemIWAYAMA KEN·Filed 2005·Granted Apr 24, 2012·4 cites·29 claims
- 1164US7401681B2Mounting support device for ceiling embedded speaker systemTOA CORP·Filed 2004·Granted Jul 22, 2008·11 cites·11 claims
- 1263US7840024B2Wide dispersion speaker system and cover mounting structure for instrument directly mounted to flat portionTOA CORP·Filed 2007·Granted Nov 23, 2010·2 cites·11 claims
- 1357US8363845B2Speaker array apparatus and signal processing method thereforYAMAHA CORP·Filed 2008·Granted Jan 29, 2013·1 cites·7 claims
- 1448US2008226093A1Speaker array apparatus and signal processing method thereforYAMAHA CORP·Filed 2008·Application pending·0 cites
- 1547US8675649B2Audio network system and method of detecting topology in audio signal transmitting systemBENTALL NATHAN·Filed 2009·Granted Mar 18, 2014·0 cites·7 claims
- 1646US6658128B1Horn loudspeakerTOA CORP·Filed 1999·Granted Dec 2, 2003·22 cites·3 claims
- 1745US10959020B2Audio signal control circuit and audio signal control methodYAMAHA CORP·Filed 2019·Granted Mar 23, 2021·0 cites·6 claims
Join the waitlist — get patent alerts
Get an alert when Ken Iwayama files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →