Inventor

CHOI SEI BUM

KR8 patents

⚠️ This page may combine multiple inventors who share the name “CHOI SEI BUM”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HANKOOK TIRE & TECH CO LTD

3 patents

US11820177B2Nov 21, 2023

Tire wear measurement device using tire bending stiffness variation and tire wear measurement method using same

HANKOOK TIRE & TECH CO LTD2 citations69

US11813895B2Nov 14, 2023

Tire wear measuring apparatus using irregularity of tire acceleration signal and tire wear measuring method using same

HANKOOK TIRE & TECH CO LTD0 citations48

US11807046B2Nov 7, 2023

Tire wear measurement device using acceleration peak value of tire and tire wear measurement method using same

HANKOOK TIRE & TECH CO LTD0 citations48

KOREA ADVANCED INST SCI & TECH

1 patent

US11999354B2Jun 4, 2024

Method and apparatus for estimation road surface type using ultrasonic signal

KOREA ADVANCED INST SCI & TECH1 citations57

KAIST KOREA ADVANCED INSTITUTE OF SCIENCE AND TECH

1 patent

US12433805B2Oct 7, 2025

Manual wheelchair propulsion aid device using mechanical self-energizing action

KAIST KOREA ADVANCED INSTITUTE OF SCIENCE AND TECH0 citations48

KANG SUK CHANG

1 patent

US8463503B2Jun 11, 2013

Impact signal processor for front impact acceleration sensor

KANG SUK CHANG2 citations48

HYUNDAI MOTOR CO LTD

1 patent

US11267450B2Mar 8, 2022

Damper control method for vehicle

HYUNDAI MOTOR CO LTD0 citations47

KOREA ADVANCED INST OF SCIENCE AND TECH (KAIST)

1 patent

US9555796B2Jan 31, 2017

Hybrid vehicle having interactive manual transmission and control method therefor

KOREA ADVANCED INST OF SCIENCE AND TECH (KAIST)0 citations28