Inventor · Kawagoe, JP

Morio Araki

29Patents
21h-index
24Co-inventors
81Inventor score

Filing activity: Feb 29, 1988 → Apr 14, 2000

Most-cited inventions

PatentTitleAreaCited byStatus
US4899138A Touch panel control device with touch time and finger direction discrimination Physics 106 Expired
US5363306A On-vehicle navigation apparatus Physics 98 Expired
US5394332A On-board navigation system having audible tone indicating remaining distance or time in a trip Physics 85 Expired
US5270936A Simplified navigation apparatus Physics 79 Expired
US5506774A Navigation apparatus Physics 78 Expired
US5087919A On-board navigation apparatus Physics 77 Expired
US5297051A Map display device Physics 64 Expired
US5424951A On-board navigation apparatus having user registering function Physics 62 Expired
US5617319A Navigation apparatus with enhanced positional display function Physics 60 Expired
US5157614A On-board navigation system capable of switching from music storage medium to map storage medium Physics 57 Expired
US5396431A Navigation system with position measuring device and aerial photographic storage capability Physics 57 Expired
US5463554A Vehicle navigation system which automatically adjusts to a changed travel route Physics 55 Expired
US5262774A On-vehicle navigation apparatus Physics 45 Expired
US5396430A On-board navigation apparatus Physics 44 Expired
US5657231A Route setting method and route setting apparatus in navigation system, and navigation system Physics 38 Expired
US6122592A Navigation apparatus with enhanced positional display function Physics 34 Expired
US5365448A On-vehicle navigation apparatus with automatic re-initialization function Physics 32 Expired
US5383128A Navigation device Physics 29 Expired
US5463605A Method of processing information of recording disc and apparatus for processing the same Physics 25 Expired
US5337244A On-board navigation apparatus Physics 23 Expired
US5117363A Onboard navigation system Physics 23 Expired
US5583775A Navigation apparatus and navigation method Physics 17 Expired
US5124924A Point selecting apparatus for use in an on-board navigation system Physics 14 Expired
US5790975A Onboard navigational system Physics 12 Expired
US5938719A Navigation apparatus with enhanced positional display function Physics 11 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.