Inventor
TSUNEKAWA AKIO
JP7 patents
⚠️ This page may combine multiple inventors who share the name “TSUNEKAWA AKIO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD
5 patentsUS6930570B2Aug 16, 2005
Surface acoustic wave filter element, surface acoustic wave filter and communication device using the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD16 citations92
US6853269B2Feb 8, 2005
Surface acoustic wave filter and communication device using the filter
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD22 citations92
US6674345B2Jan 6, 2004
Surface acoustic wave filter and communication device using the filter
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD17 citations92
US6972643B2Dec 6, 2005
Surface acoustic wave filter
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD17 citations83
US7075391B2Jul 11, 2006
Surface acoustic wave filter element, surface acoustic wave filter and communication device using the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD9 citations73