P
PatentIndex
Search
Landscape
Sign in
Inventor
OHNO HIROHITO
JP
2 patents
Patents
2 patents
US10277976B2
Apr 30, 2019
Speaker device having diaphragm with folded portion
PIONEER CORP
0 citations
47
US10264347B2
Apr 16, 2019
Two-way speaker device having diaphragm of second speaker unit inside voice coil bobbin of first speaker unit
PIONEER CORP
0 citations
47