Inventor
YOKOYAMA SHOJI
JP68 patents
⚠️ This page may combine multiple inventors who share the name “YOKOYAMA SHOJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
AISIN AW CO
23 patentsUS5559511ASep 24, 1996
Vehicle route guidance apparatus for re-searching for a new route when vehicle goes out of route
AISIN AW CO124 citations99
US5231584AJul 27, 1993
Navigation apparatus with non-volatile memory for return to initial departure point
AISIN AW CO176 citations99
US5168452ADec 1, 1992
Route exploration method of navigation apparatus
AISIN AW CO172 citations99
US5121326AJun 9, 1992
Display system in navigation apparatus
AISIN AW CO209 citations99
US4992947AFeb 12, 1991
Vehicular navigation apparatus with help function
AISIN AW CO201 citations99
US4954959ASep 4, 1990
Navigation system
AISIN AW CO158 citations99
US4939662AJul 3, 1990
Navigation apparatus
AISIN AW CO167 citations99
US5544061AAug 6, 1996
Navigation system with destination set by longitude and latitude coordinate points
AISIN AW CO114 citations98
US5043902AAug 27, 1991
Vehicular navigation apparatus
AISIN AW CO130 citations98
US5452212ASep 19, 1995
Navigation system for vehicle
AISIN AW CO132 citations97
US5475599ADec 12, 1995
Vehicle navigation system
AISIN AW CO69 citations96
US5452217ASep 19, 1995
Navigation system for guiding vehicle orally
AISIN AW CO89 citations96
US5343399AAug 30, 1994
Vehicle navigation system
AISIN AW CO80 citations96
US5067082ANov 19, 1991
Navigation apparatus
AISIN AW CO88 citations96
US4937751AJun 26, 1990
Navigation apparatus
AISIN AW CO108 citations96
US4882696ANov 21, 1989
Navigation apparatus
AISIN AW CO66 citations96
US5917435AJun 29, 1999
Navigation apparatus for vehicles
AISIN AW CO92 citations95
US5751228AMay 12, 1998
Guide system
AISIN AW CO62 citations95
US5444629AAug 22, 1995
Vehicle-guiding device for recognizing curved road and leading vehicle along curved road aurally
AISIN AW CO23 citations93
US4937752AJun 26, 1990
An apparatus for correcting distance error in a navigation system
AISIN AW CO50 citations93
US5614898AMar 25, 1997
Guide system
AISIN AW CO52 citations92
US5850215ADec 15, 1998
Display apparatus for a car
AISIN AW CO29 citations91
US5687083ANov 11, 1997
Vehicle-guiding device for recognizing curved road and leading vehicle along curved road aurally
AISIN AW CO7 citations74
AISIN WARNER
8 patentsUS4664235AMay 12, 1987
Lock-up clutch controller for the fluid coupling of an automotive automatic transmission
AISIN WARNER27 citations93
US4534243AAug 13, 1985
Hydraulic control system for a V-belt transmission
AISIN WARNER40 citations93
US4476746AOct 16, 1984
Hydraulic regulator for a V-belt type continuously variable transmission for vehicles
AISIN WARNER31 citations93
US4470117ASep 4, 1984
Control system for a continuously variable transmission for vehicles
AISIN WARNER39 citations93
US4445528AMay 1, 1984
Electromagnetic valve and method for assembly
AISIN WARNER20 citations82
US4785690ANov 22, 1988
Pressure regulating system for use in an automatic transmission
AISIN WARNER12 citations74
US4699604AOct 13, 1987
Reduction ratio controlling mechanism for a continuously variable automatic transmission of a vehicle
AISIN WARNER12 citations74
US4419910ADec 13, 1983
Shift control mechanism in an automatic transmission for vehicles
AISIN WARNER9 citations74
EQUOS RESEARCH KK
5 patentsUS6278941B1Aug 21, 2001
Route guide system
EQUOS RESEARCH KK281 citations99
US6263276B1Jul 17, 2001
Communicatory navigation system
EQUOS RESEARCH KK130 citations99
US6202024B1Mar 13, 2001
Communicatory navigation system
EQUOS RESEARCH KK136 citations99
US5654908AAug 5, 1997
Electronic diary with navigation destination output
EQUOS RESEARCH KK158 citations99
US5864771AJan 26, 1999
Safe driving support system
EQUOS RESEARCH KK49 citations92
TOYOTA MOTOR CO LTD
3 patentsUS5410486AApr 25, 1995
Navigation system for guiding vehicle by voice
TOYOTA MOTOR CO LTD134 citations98
US5635925AJun 3, 1997
Volume control of aural guidance of vehicle route guidance apparatus
TOYOTA MOTOR CO LTD30 citations92
US5506578AApr 9, 1996
Volume control of aural guidance of vehicle route guidance apparatus
TOYOTA MOTOR CO LTD41 citations92
SHINSANGYO KAIHATSU KK
2 patentsMIKI NOBUAKI
2 patentsSEIKO EPSON CORP
1 patentFUJI MEDICAL INSTR MFG CO LTD
1 patentKABUSHIKI EQUOS RESEARCH
1 patentYOKOYAMA SHOJI
1 patentITO WATARU
1 patentFUJI ELECTRIC CO LTD
1 patentHONDA ACCESS KK
1 patentShowing the top 50 of 68 patents by PatentIndex Score.