Inventor
HOSOI MASAYUKI
JP10 patents
⚠️ This page may combine multiple inventors who share the name “HOSOI MASAYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PIONEER ELECTRONIC CORP
7 patentsUS4890233ADec 26, 1989
Vehicle bearing detection and data processing methods applicable to vehicle navigation system
PIONEER ELECTRONIC CORP195 citations98
US4924402AMay 8, 1990
Method for identifying current position of vehicle
PIONEER ELECTRONIC CORP125 citations97
US4837700AJun 6, 1989
Method and apparatus for processing data in a GPS receiving device in a road vehicle
PIONEER ELECTRONIC CORP119 citations96
US4831563AMay 16, 1989
Method of processing output data from geomagnetic sensor
PIONEER ELECTRONIC CORP101 citations96
US4897792AJan 30, 1990
Method of memorizing travel locus data for use in an automotive navigation system
PIONEER ELECTRONIC CORP78 citations95
US4965574AOct 23, 1990
Variable-brightness display for use in a navigation system for a vehicle
PIONEER ELECTRONIC CORP43 citations92
US4807157AFeb 21, 1989
Method of displaying a map
PIONEER ELECTRONIC CORP32 citations92