Inventor
ARAKAWA TAKEHARU
JP17 patents
⚠️ This page may combine multiple inventors who share the name “ARAKAWA TAKEHARU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PIONEER ELECTRONIC CORP
12 patentsUS5394332AFeb 28, 1995
On-board navigation system having audible tone indicating remaining distance or time in a trip
PIONEER ELECTRONIC CORP121 citations97
US6122592ASep 19, 2000
Navigation apparatus with enhanced positional display function
PIONEER ELECTRONIC CORP50 citations96
US5617319AApr 1, 1997
Navigation apparatus with enhanced positional display function
PIONEER ELECTRONIC CORP76 citations96
US5424951AJun 13, 1995
On-board navigation apparatus having user registering function
PIONEER ELECTRONIC CORP82 citations96
US5396431AMar 7, 1995
Navigation system with position measuring device and aerial photographic storage capability
PIONEER ELECTRONIC CORP92 citations96
US5396430AMar 7, 1995
On-board navigation apparatus
PIONEER ELECTRONIC CORP56 citations96
US5297051AMar 22, 1994
Map display device
PIONEER ELECTRONIC CORP80 citations96
US5938719AAug 17, 1999
Navigation apparatus with enhanced positional display function
PIONEER ELECTRONIC CORP22 citations92
US5337244AAug 9, 1994
On-board navigation apparatus
PIONEER ELECTRONIC CORP31 citations92
US5463605AOct 31, 1995
Method of processing information of recording disc and apparatus for processing the same
PIONEER ELECTRONIC CORP34 citations91
US5383128AJan 17, 1995
Navigation device
PIONEER ELECTRONIC CORP39 citations91
US6023652AFeb 8, 2000
Vehicular navigation apparatus
PIONEER ELECTRONIC CORP15 citations73
PIONEER CORP
5 patentsUS7082366B2Jul 25, 2006
Communication terminal apparatus, connection control method for the apparatus and program for the method
PIONEER CORP2 citations62
US7133773B2Nov 7, 2006
Map distribution system and terminal device used in the same
PIONEER CORP3 citations60
US7702657B2Apr 20, 2010
Portable information processor
PIONEER CORP3 citations58
US7242968B2Jul 10, 2007
Communication terminal unit, connection control method and program for the method
PIONEER CORP1 citations52
US6957144B2Oct 18, 2005
Location confirmation system and information transmitting method for use in the system
PIONEER CORP0 citations52