The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 20, 2025
Filed:
Dec. 05, 2022
Hyundai Motor Company, Seoul, KR;
Kia Corporation, Seoul, KR;
Industrial Cooperation Foundation Jeonbuk National University, Jeonju-si, KR;
Eun Jeong Choi, Seongnam-si, KR;
Keum Hyang Lee, Hwaseong-si, KR;
Min Chul Shin, Seoul, KR;
Chan Ho Jeong, Hwaseong-si, KR;
Lae Hyong Kang, Jeonju-si, KR;
Hye Lim Jang, Iksan-si, KR;
Dae Hyun Han, Gunsan-si, KR;
Hyundai Motor Company, Seoul, KR;
Kia Corporation, Seoul, KR;
Industrial Cooperation Foundation Jeonbuk National University, Jeonju-si, KR;
Abstract
An apparatus performs a method for estimating residual stress of a material such as plastics. The apparatus includes an inspection unit configured to emit a terahertz wave to a subject to be inspected and to detect the terahertz wave transmitted through or reflected from the subject, and a controller configured to estimate residual stress of the subject based on the terahertz wave detected by the inspection unit.