Inventor

YI SEUNGHWAN

KR5 patents

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

PARK CHANGMAN

2 patents

US9744096B2Aug 29, 2017

Face massaging device

PARK CHANGMAN4 citations64

US10111805B2Oct 30, 2018

Facial massager

PARK CHANGMAN1 citations43

KOREA NATIONAL UNIV OF TRANSPORTATION INDUSTRY ACADEMIC COOPERATION FOUNDATION

1 patent

US10113957B1Oct 30, 2018

Non-dispersive infrared carbon dioxide gas sensor with deposited hydrophobic thin film

KOREA NATIONAL UNIV OF TRANSPORTATION INDUSTRY ACADEMIC COOPERATION FOUNDATION16 citations75

AMOREPACIFIC CORP

1 patent

US10034815B2Jul 31, 2018

Vibrating stimulus pad

AMOREPACIFIC CORP0 citations35

PARK CHANG MAN

1 patent

US9962315B2May 8, 2018

Electric module for stimulating skin

PARK CHANG MAN0 citations35