Inventor
HASEGAWA AKINORI
JP11 patents
⚠️ This page may combine multiple inventors who share the name “HASEGAWA AKINORI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD
8 patentsUS6421449B1Jul 16, 2002
Speaker
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD41 citations92
US6122385ASep 19, 2000
Sound reproduction apparatus with stable feedback
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD28 citations90
US6282296B1Aug 28, 2001
Audio reproducing apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD16 citations84
US6975736B2Dec 13, 2005
Microphone
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD12 citations83
US6370253B1Apr 9, 2002
Sound reproducing device
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD7 citations73
US5650567AJul 22, 1997
Acceleration sensor with opposed amplifier and detection sections
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD13 citations72
US7024015B2Apr 4, 2006
Speaker and method of manufacturing the speaker
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD3 citations62
US6944302B2Sep 13, 2005
Sound reproducing system
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD4 citations62