Inventor
KUMAGAI KATSUHIDE
JP15 patents
⚠️ This page may combine multiple inventors who share the name “KUMAGAI KATSUHIDE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOKAI RIKA CO LTD
13 patentsUS9180742B2Nov 10, 2015
Tire position determination system having tire pressure sensors and using axle rotation detectors
TOKAI RIKA CO LTD9 citations84
US7663609B2Feb 16, 2010
Touch input device
TOKAI RIKA CO LTD10 citations84
US9849736B2Dec 26, 2017
Tire position determination system
TOKAI RIKA CO LTD9 citations82
US9694631B2Jul 4, 2017
Tire position determination system
TOKAI RIKA CO LTD9 citations82
US7829813B2Nov 9, 2010
Touch sensor switch
TOKAI RIKA CO LTD12 citations81
US9139053B2Sep 22, 2015
Tire position determination system and tire pressure monitoring system
TOKAI RIKA CO LTD5 citations71
US5917299AJun 29, 1999
Motor drive control device
TOKAI RIKA CO LTD9 citations70
US7932796B2Apr 26, 2011
Switch device
TOKAI RIKA CO LTD4 citations62
US7750771B2Jul 6, 2010
Switching device
TOKAI RIKA CO LTD5 citations62
US9293811B2Mar 22, 2016
Antenna device
TOKAI RIKA CO LTD1 citations51
US9114670B2Aug 25, 2015
Multifunction receiver
TOKAI RIKA CO LTD1 citations51
US9428015B2Aug 30, 2016
Tire identification code registration system
TOKAI RIKA CO LTD1 citations47
US10065461B2Sep 4, 2018
Tire valve registration system
TOKAI RIKA CO LTD0 citations37