Inventor
IHARA YASUHIRO
JP11 patents
⚠️ This page may combine multiple inventors who share the name “IHARA YASUHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD
10 patentsUS5552990ASep 3, 1996
Vehicle position detecting apparatus which comensates for errors in road map data matching operation
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD137 citations99
US6336073B1Jan 1, 2002
Information terminal device and method for route guidance
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD234 citations98
US6014607AJan 11, 2000
Method and apparatus for searching a route
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD185 citations98
US6636802B1Oct 21, 2003
Data structure of digital map file
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD134 citations97
US6334087B1Dec 25, 2001
System, method, and computer program for providing map information from a server to movable terminals
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD88 citations97
US6058350AMay 2, 2000
Road map information readout apparatus, recording medium and transmitting method
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD142 citations97
US5913918AJun 22, 1999
Automotive navigation apparatus and recording medium storing program therefor
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD112 citations97
US5469360ANov 21, 1995
Vehicle position detecting apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD66 citations96
US5287297AFeb 15, 1994
Magnetic direction finder with correcting circuit
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD71 citations96
US5276626AJan 4, 1994
Direction finding method and apparatus for correcting magnetization of a vehicle
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD8 citations73