Inventor
ICHIKAWA AKIHIKO
JP24 patents
⚠️ This page may combine multiple inventors who share the name “ICHIKAWA AKIHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOYOTA MOTOR CO LTD
11 patentsUS6109408AAug 29, 2000
Driving force transmission system
TOYOTA MOTOR CO LTD50 citations95
US6510932B2Jan 28, 2003
Driving force transmission system
TOYOTA MOTOR CO LTD11 citations73
US6315099B1Nov 13, 2001
Driving force transmission system
TOYOTA MOTOR CO LTD8 citations73
US4967616ANov 6, 1990
Shift mechanism in power transfer device
TOYOTA MOTOR CO LTD11 citations73
US10788125B2Sep 29, 2020
Transmission for vehicle
TOYOTA MOTOR CO LTD6 citations67
US10711895B2Jul 14, 2020
Control apparatus for vehicle transmission
TOYOTA MOTOR CO LTD1 citations58
US10859139B2Dec 8, 2020
Vehicle transmission
TOYOTA MOTOR CO LTD1 citations57
US10995851B2May 4, 2021
Gear change control device
TOYOTA MOTOR CO LTD0 citations47
US11168741B2Nov 9, 2021
Dog clutch for vehicle
TOYOTA MOTOR CO LTD0 citations46
US10920877B2Feb 16, 2021
Control apparatus for vehicular transmission
TOYOTA MOTOR CO LTD0 citations46
US10557506B2Feb 11, 2020
Dog clutch
TOYOTA MOTOR CO LTD0 citations40
FUJITSU LTD
4 patentsUS5077815ADec 31, 1991
Apparatus for optically connecting a single-mode optical fiber to a multi-mode optical fiber
FUJITSU LTD76 citations94
US6031645AFeb 29, 2000
Bi-directional optical communications subscriber transmission system using a single wavelength
FUJITSU LTD46 citations92
US5706112AJan 6, 1998
Light signal remote control apparatus and light signal level controlling method
FUJITSU LTD26 citations89
US7929862B2Apr 19, 2011
Optical transmission system and optical transmission method
FUJITSU LTD4 citations61
NEC CORP
3 patentsUS11853925B2Dec 26, 2023
Information processing apparatus, information processing method, and computer readable recording medium to display information for a passenger at an airport
NEC CORP2 citations73
US12346935B2Jul 1, 2025
Information processing apparatus, information processing method, and computer readable recording medium for providing information to a passenger
NEC CORP0 citations62
US12254494B2Mar 18, 2025
Information processing apparatus, information processing method, and computer readable recording medium for providing information to a passenger
NEC CORP0 citations62