Inventor
SHIMAMURA NAOKI
JP10 patents
⚠️ This page may combine multiple inventors who share the name “SHIMAMURA NAOKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ALPINE ELECTRONICS INC
6 patentsUS5937076AAug 10, 1999
Magnetic drive apparatus and method for manufacturing coil that forms the apparatus
ALPINE ELECTRONICS INC30 citations92
US6158109ADec 12, 2000
Coil manufacturing method using ring shaped spacer
ALPINE ELECTRONICS INC12 citations73
US7684586B2Mar 23, 2010
Dual voice coil speaker
ALPINE ELECTRONICS INC6 citations61
US7630505B2Dec 8, 2009
Loudspeaker system
ALPINE ELECTRONICS INC2 citations61
US7433487B2Oct 7, 2008
Speaker
ALPINE ELECTRONICS INC5 citations61
US8358181B2Jan 22, 2013
Substrate attenuator circuit
ALPINE ELECTRONICS INC1 citations50