Inventor
SUGAI MASARU
JP20 patents
⚠️ This page may combine multiple inventors who share the name “SUGAI MASARU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOYODA CHUO KENKYUSHO KK
6 patentsUS6324461B1Nov 27, 2001
Road surface condition estimating apparatus and variation reduction processing apparatus
TOYODA CHUO KENKYUSHO KK64 citations96
US6182001B1Jan 30, 2001
Braking estimation device, anti-lock brake controller, and braking pressure controller
TOYODA CHUO KENKYUSHO KK61 citations96
US6122585ASep 19, 2000
Anti-lock braking system based on an estimated gradient of friction torque, method of determining a starting point for anti-lock brake control, and wheel-behavior-quantity servo control means equipped with limit determination means
TOYODA CHUO KENKYUSHO KK82 citations96
US6264292B1Jul 24, 2001
Wheel condition estimating apparatus
TOYODA CHUO KENKYUSHO KK39 citations93
US5948961ASep 7, 1999
Apparatus and method for detecting friction characteristics
TOYODA CHUO KENKYUSHO KK51 citations92
US5588721ADec 31, 1996
Vibration analysis of the rotating wheel for controlling anti-lock braking operation
TOYODA CHUO KENKYUSHO KK31 citations92
TOYOTA CHUO KENKYUSHO KK
5 patentsUS7248958B2Jul 24, 2007
Road surface state estimating apparatus, road surface friction state estimating apparatus, road surface state physical quantity calculating apparatus, and road surface state announcing apparatus
TOYOTA CHUO KENKYUSHO KK29 citations92
US6871530B2Mar 29, 2005
Physical quantity estimating apparatus and tire state determining apparatus, and estimating method of same and determination method of same
TOYOTA CHUO KENKYUSHO KK5 citations63
US7010990B2Mar 14, 2006
Force detecting apparatus
TOYOTA CHUO KENKYUSHO KK3 citations62
US10563728B2Feb 18, 2020
Gear transmission apparatus
TOYOTA CHUO KENKYUSHO KK1 citations60
US11225148B2Jan 18, 2022
Controller for vehicle
TOYOTA CHUO KENKYUSHO KK0 citations50
TOYOTA MOTOR CO LTD
4 patentsUS6640623B2Nov 4, 2003
Road surface state estimating device
TOYOTA MOTOR CO LTD18 citations84
US7059687B2Jun 13, 2006
Braking force distribution control device
TOYOTA MOTOR CO LTD9 citations74
US6447076B1Sep 10, 2002
Device and method for estimating physical quantity and device and method for ABS control
TOYOTA MOTOR CO LTD8 citations74
US9570995B2Feb 14, 2017
Magnetically coupled reactor and power converter
TOYOTA MOTOR CO LTD2 citations72