Inventor
KAKUHARI ISAO
JP18 patents
⚠️ This page may combine multiple inventors who share the name “KAKUHARI ISAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD
10 patentsUS6418228B1Jul 9, 2002
Noise control system
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD150 citations99
US7062049B1Jun 13, 2006
Active noise control system
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD90 citations98
US6961632B2Nov 1, 2005
Signal processing apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD19 citations92
US6944309B2Sep 13, 2005
Headphone system
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD30 citations91
US6488378B1Dec 3, 2002
Imaging apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD38 citations91
US7191022B1Mar 13, 2007
Public addressing system
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD10 citations84
US7386139B2Jun 10, 2008
Sound image control system
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD18 citations80
US7254240B2Aug 7, 2007
Active noise control system
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD6 citations74
US7158644B2Jan 2, 2007
Active noise control system
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD8 citations74
US6731759B2May 4, 2004
Audio signal reproduction device
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD5 citations63