Inventor
SEKIYAMA HIROAKI
JP22 patents
⚠️ This page may combine multiple inventors who share the name “SEKIYAMA HIROAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOYOTA MOTOR CO LTD
6 patentsUS6427115B1Jul 30, 2002
Portable terminal and on-vehicle information processing device
TOYOTA MOTOR CO LTD324 citations98
US6526350B2Feb 25, 2003
Route guide apparatus and guidance method
TOYOTA MOTOR CO LTD119 citations97
US6222836B1Apr 24, 2001
Route searching device
TOYOTA MOTOR CO LTD32 citations92
US7912591B2Mar 22, 2011
Vehicle control system
TOYOTA MOTOR CO LTD9 citations82
US7805223B2Sep 28, 2010
Dialogue system
TOYOTA MOTOR CO LTD13 citations81
US8380431B2Feb 19, 2013
Vehicle-mounted device, navigation system, and control method for navigation system
TOYOTA MOTOR CO LTD0 citations36
SEKIYAMA HIROAKI
4 patentsUS8217777B2Jul 10, 2012
Vehicle environmental service system
SEKIYAMA HIROAKI28 citations92
US8606459B2Dec 10, 2013
Fuel economy driving assistance apparatus
SEKIYAMA HIROAKI14 citations83
US8576057B2Nov 5, 2013
Fuel consumption saving drive supporting device
SEKIYAMA HIROAKI9 citations83
US8510036B2Aug 13, 2013
Information providing device and information providing system
SEKIYAMA HIROAKI4 citations57