Inventor
FUJIHIRA MASAO
JP10 patents
Patents
10 patentsUS6356643B2Mar 12, 2002
Electro-acoustic transducer
SONY CORP58 citations95
US6175637B1Jan 16, 2001
Acoustic transducer
SONY CORP80 citations95
US6160894ADec 12, 2000
Speaker apparatus and sound reproduction system employing same
SONY CORP21 citations92
US5909496AJun 1, 1999
Speaker apparatus
SONY CORP48 citations92
US5862237AJan 19, 1999
Speaker apparatus
SONY CORP19 citations92
US6542617B1Apr 1, 2003
Speaker
SONY CORP45 citations91
US5835612ANov 10, 1998
Speaker apparatus
SONY CORP44 citations91
US5115473AMay 19, 1992
Transducer having two ducts
SONY CORP24 citations91
US6035052AMar 7, 2000
Acoustic transducer
SONY CORP17 citations83
US6587571B1Jul 1, 2003
Speaker
SONY CORP13 citations82