Inventor
SUMIZAWA AKIO
JP37 patents
⚠️ This page may combine multiple inventors who share the name “SUMIZAWA AKIO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ZANAVY INFORMATICS KK
19 patentsUS7376509B2May 20, 2008
Travel time calculating method and traffic information display method for a navigation device
ZANAVY INFORMATICS KK79 citations98
US7339496B2Mar 4, 2008
Geographic data transmitting method, information delivering apparatus and information terminal
ZANAVY INFORMATICS KK100 citations98
US7739037B2Jun 15, 2010
Map update system, navigation apparatus and providing apparatus
ZANAVY INFORMATICS KK61 citations95
US7512489B2Mar 31, 2009
Route search method and traffic information display method for a navigation device
ZANAVY INFORMATICS KK21 citations92
US6185503B1Feb 6, 2001
Navigation system
ZANAVY INFORMATICS KK41 citations92
US7653482B2Jan 26, 2010
On-vehicle navigation apparatus and subject vehicle position correction method
ZANAVY INFORMATICS KK10 citations84
US7257485B2Aug 14, 2007
Navigation system, and information acquisition method
ZANAVY INFORMATICS KK19 citations82
US7231297B2Jun 12, 2007
Navigation system, abridged map distribution apparatus and vehicle guiding method
ZANAVY INFORMATICS KK14 citations77
US7668650B2Feb 23, 2010
On-vehicle information terminal, abridged map generating apparatus, abridged map display method and display apparatus
ZANAVY INFORMATICS KK2 citations62
US7561962B2Jul 14, 2009
Abridged map generating apparatus, on-vehicle information terminal, abridged map distribution system and abridged map generating method
ZANAVY INFORMATICS KK4 citations62
US7493212B2Feb 17, 2009
Abridged map generating apparatus, on-vehicle information terminal, abridged map distribution system and abridged map generating method
ZANAVY INFORMATICS KK6 citations62
US7477269B2Jan 13, 2009
Abridged map generating apparatus, on-vehicle information terminal, abridged map distribution system and abridged map generating method
ZANAVY INFORMATICS KK3 citations62
US7636634B2Dec 22, 2009
On-vehicle information terminal
ZANAVY INFORMATICS KK4 citations61
US7546205B2Jun 9, 2009
On-vehicle information terminal route characteristics extraction apparatus and route characteristics display method
ZANAVY INFORMATICS KK5 citations61
US7725254B2May 25, 2010
Navigation device used for a route search
ZANAVY INFORMATICS KK3 citations60
US7908081B2Mar 15, 2011
Navigation apparatus, navigation system and route search method
ZANAVY INFORMATICS KK4 citations57
US7158149B2Jan 2, 2007
Map data transmitting method, map data transmitting apparatus, information device and map data transmitting system
ZANAVY INFORMATICS KK1 citations52
US7363150B2Apr 22, 2008
On-vehicle information terminal abridged map generation apparatus and abridged map generation method
ZANAVY INFORMATICS KK1 citations51
US7327366B2Feb 5, 2008
Navigation apparatus, map data distribution apparatus, map data distribution system and map display method
ZANAVY INFORMATICS KK0 citations51
SUMIZAWA AKIO
7 patentsUS8634984B2Jan 21, 2014
Navigation system
SUMIZAWA AKIO84 citations97
US9316504B2Apr 19, 2016
Navigation device and guidance method thereof
SUMIZAWA AKIO3 citations72
US8825349B2Sep 2, 2014
On-vehicle information terminal and information distribution system
SUMIZAWA AKIO2 citations62
US8224570B2Jul 17, 2012
On-vehicle map display apparatus, map display method
SUMIZAWA AKIO3 citations62
US8073876B2Dec 6, 2011
Computer product having distribution map data, distribution map data generating method, distrubution map data generating apparatus and terminal device
SUMIZAWA AKIO4 citations62
US9816825B2Nov 14, 2017
Navigation device and method of searching route by the same
SUMIZAWA AKIO1 citations51
US9171466B2Oct 27, 2015
On-vehicle information terminal and information distribution system
SUMIZAWA AKIO0 citations51
NISSAN MOTOR
5 patentsUS4748567AMay 31, 1988
Method of performing a fail safe control for an engine and a fail safe control unit thereof
NISSAN MOTOR36 citations92
US4685302AAug 11, 1987
Control system for variable geometry turbocharger
NISSAN MOTOR25 citations92
US4660382AApr 28, 1987
Device for controlling the supercharging pressure of a turbocharger
NISSAN MOTOR34 citations92
US5019964AMay 28, 1991
Device for interfacing data communications
NISSAN MOTOR13 citations74
US6487498B2Nov 26, 2002
Vehicle cruising control device and method
NISSAN MOTOR3 citations60
CLARION CO LTD
5 patentsUS10697790B2Jun 30, 2020
Lane selecting device, vehicle control system and lane selecting method
CLARION CO LTD5 citations73
US10184801B2Jan 22, 2019
Route searching apparatus and route searching method
CLARION CO LTD0 citations52
US9239241B2Jan 19, 2016
Navigation system
CLARION CO LTD1 citations52
US10845205B2Nov 24, 2020
Route searching apparatus and route searching method
CLARION CO LTD0 citations42
US10157187B2Dec 18, 2018
Information terminal and program
CLARION CO LTD0 citations42