Inventor
YAMAGATA YOSHIFUMI
JP13 patents
⚠️ This page may combine multiple inventors who share the name “YAMAGATA YOSHIFUMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KYOCERA CORP
10 patentsUS7609129B2Oct 27, 2009
Surface acoustic wave device, surface acoustic wave apparatus, and communications equipment
KYOCERA CORP31 citations92
US7385463B2Jun 10, 2008
Surface acoustic wave device and electronic circuit device
KYOCERA CORP23 citations91
US7154206B2Dec 26, 2006
Surface acoustic wave device and method for manufacturing same
KYOCERA CORP33 citations90
US8004370B2Aug 23, 2011
Surface acoustic wave element, surface acoustic wave apparatus, and communication apparatus
KYOCERA CORP15 citations83
US7092232B2Aug 15, 2006
Variable capacitance capacitor, circuit module, and communications apparatus
KYOCERA CORP16 citations83
US7513022B2Apr 7, 2009
Method for manufacturing surface acoustic wave device
KYOCERA CORP9 citations82
US7301255B2Nov 27, 2007
Surface acoustic wave apparatus and communications device
KYOCERA CORP10 citations82
US5374910ADec 20, 1994
Dielectric filter having coupling means disposed on a laminated substrate
KYOCERA CORP18 citations73
US5113310AMay 12, 1992
Dielectric filter
KYOCERA CORP14 citations68
US7301421B2Nov 27, 2007
Surface acoustic wave device, manufacturing method therefor, and communications equipment
KYOCERA CORP6 citations61