Inventor
MIYAMOTO KAZUMI
JP11 patents
Patents
11 patentsUS7023112B2Apr 4, 2006
Vibrating device for axially vibrating a movable member
CITIZEN ELECTRONICS59 citations95
US6400825B1Jun 4, 2002
Microspeaker
CITIZEN ELECTRONICS38 citations92
US6744895B2Jun 1, 2004
Loudspeaker
CITIZEN ELECTRONICS30 citations91
US6751332B2Jun 15, 2004
Speaker
CITIZEN ELECTRONICS9 citations73
US6700251B2Mar 2, 2004
Vibrating device for axially vibrating a movable member
CITIZEN ELECTRONICS7 citations73
US7210213B2May 1, 2007
Method for manufacturing a dynamic speaker
CITIZEN ELECTRONICS4 citations62
US6783370B2Aug 31, 2004
Connecting member for a sound generator
CITIZEN ELECTRONICS5 citations62
US6690809B2Feb 10, 2004
Microspeaker
CITIZEN ELECTRONICS4 citations62
US7454031B2Nov 18, 2008
Multifunction speaker
CITIZEN ELECTRONICS5 citations59
US7386138B2Jun 10, 2008
Multifunction speaker
CITIZEN ELECTRONICS2 citations59
US7680294B2Mar 16, 2010
Acoustic transducer
CITIZEN ELECTRONICS0 citations38