Inventor
NAKAGAWA YOUICHI
JP7 patents
⚠️ This page may combine multiple inventors who share the name “NAKAGAWA YOUICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD
6 patentsUS6349218B1Feb 19, 2002
Adaptive array antenna system and mobile telecommunications system using the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD52 citations95
US6529745B1Mar 4, 2003
Radio wave arrival direction estimating antenna apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD53 citations92
US6333713B1Dec 25, 2001
Direction estimating apparatus, directivity controlling antenna apparatus, and direction estimating method
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD21 citations92
US7062245B2Jun 13, 2006
Radio transmission apparatus and radio reception apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD11 citations84
US6922450B2Jul 26, 2005
Direction of arrival estimator and direction of arrival estimation method
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD13 citations84
US6781543B2Aug 24, 2004
Adaptive array antenna system and mobile telecommunications system using the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD4 citations62