Transducer Based Health Monitoring System

Inventors

Hoon Sohn, Chul Min Yeum, Jeong Beom Ihn

Country

USA

Date

2014-10-01

Registration Number

US8544328B2

Wireless inspection apparatus of a structure using nonlinear ultrasonic wave modulation and inspecting method using the apparatus

Inventors

Hoon Sohn, Hyungjin Lim, Suyoung Yang, Peipei Liu

Country

Korea

Date

2014-07-24

Registration Number

10-1414520-0000

LASER ULTRASONIC IMAGING METHOD AND LASER ULTRASONIC IMAGING DEVICE FOR ROTATIONAL STRUCTURE

Inventors

Hoon Sohn, Byeongjin Park, Truong Thanh Chung

Country

Korea

Date

2014-06-17

Registration Number

10-1410923-0000

Time delay based health monitoring system using a sensor network

Inventors

Hoon Sohn, Chul Min Yeum, Jeong-Beom Ihn

Country

USA

Date

2014-04-29

Registration Number

US8707787B1

Imaging method of pipe damage

Inventors

Hoon Sohn, Hyeon Seok Lee, Hyunwoo Park, Hwasoo Yeo

Country

Korea

Date

2014-04-11

Registration Number

10-1386593-0000

Noncontact laser ultrasonic scanning and damage visualization for rotating targets

Inventors

Hoon Sohn, Byeongjin Park, Truong Thanh Chung

Country

Korea

Date

2014-02-25

Registration Number

10-1369212-0000

LASER ULTRASONIC IMAGING METHOD AND LASER ULTRASONIC IMAGING DEVICE FOR ROTATIONAL STRUCTURE

Inventors

Hoon Sohn, Byeongjin Park, Truong Thanh Chung

Country

PCT (International)

Date

2014-02-06

Registration Number

WO2014021564A1

Laser Lock-in thermography device and technique for real-time semiconductor crack diagnosis

Inventors

Hoon Sohn, Yun-Kyu An, Jin Yeol Yang, Sung Il Jo, Yeon Jo Moon and Sang Young Kim

Country

Korea

Date

2014-01-23

Application Number

10-2014-0008579

Laser lock-in thermography device for nondestructive evaluation

Inventors

Hoon Sohn, Yun-Kyu An and Ji Min Kim

Country

Korea

Date

2013-10-15

Registration Number

10-1320358-0000

APPARATUS AND METHOD FOR DETECTING PIPE DAMAGE

Inventors

Hoon Sohn, Hyun Seok Lee, Jin Yeol Yang,

Country

PCT (International)

Date

2013-07-25

Registration Number

WO2013108948A1