Inventor
SATO KAZUE
JP13 patents
⚠️ This page may combine multiple inventors who share the name “SATO KAZUE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD
10 patentsUS5025474AJun 18, 1991
Speaker system with image projection screen
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD146 citations97
US6305491B2Oct 23, 2001
Speaker
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD29 citations92
US6259935B1Jul 10, 2001
Electro-mechanical-acoustic transducing device
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD34 citations92
US4930596AJun 5, 1990
Loudspeaker system
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD66 citations92
US4893695AJan 16, 1990
Speaker system
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD45 citations92
US4239945ADec 16, 1980
Sealed headphone
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD117 citations92
US4211898AJul 8, 1980
Headphone with two resonant peaks for simulating loudspeaker reproduction
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD32 citations92
US5073946ADec 17, 1991
Thin speaker having an enclosure with an open portion and a closed portion
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD19 citations82
US4300655ANov 17, 1981
Acoustic diaphragm for speakers and method of producing the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD26 citations81
US4426556AJan 17, 1984
Electrodynamic loudspeaker
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD22 citations80