crack detection using dual laser excitation

Inventors

Hoon Sohn, Peipei Liu, Jinho Jang

Country

Korea

Date

2020-05-12

Registration Number

10-2112032

Method and apparatus for estimating the height of a laminated portion formed in a 3D printing process, and 3D printing system having the same

Inventors

Hoon Sohn, Ikgeun Jeon

Country

Korea

Date

2020-12-17

Registration Number

10-2194695-0000

Integrated inspection system using thermography and laser ultrasonic in 3D printing process and 3D printing system having the same

Inventors

Hoon Sohn, Ikgeun Jeon, Peipei Liu

Country

Korea

Date

2020-12-17

Registration Number

10-2194694-0000

System for precision measurement of structure and method therefor

Inventors

Hoon Sohn, Kiyoung Kim, Jaemook Choi, Gunhee Koo, Junyeon Chung, Namyeol Kwon, Dooyoung Kang, Seungbeom Pack, Minjae Kim, Jaemin Moon, Jinseok Kang

Country

Turkey

Date

2020-11-11

Registration Number

3524954

System for precision measurement of structure and method therefor

Inventors

Hoon Sohn, Kiyoung Kim, Jaemook Choi, Gunhee Koo, Junyeon Chung, Namyeol Kwon, Dooyoung Kang, Seungbeom Pack, Minjae Kim, Jaemin Moon, Jinseok Kang

Country

Italy

Date

2020-11-11

Registration Number

3524954

System for precision measurement of structure and method therefor

Inventors

Hoon Sohn, Kiyoung Kim, Jaemook Choi, Gunhee Koo, Junyeon Chung, Namyeol Kwon, Dooyoung Kang, Seungbeom Pack, Minjae Kim, Jaemin Moon, Jinseok Kang

Country

France

Date

2020-11-11

Registration Number

3524954

System for precision measurement of structure and method therefor

Inventors

Hoon Sohn, Kiyoung Kim, Jaemook Choi, Gunhee Koo, Junyeon Chung, Namyeol Kwon, Dooyoung Kang, Seungbeom Pack, Minjae Kim, Jaemin Moon, Jinseok Kang

Country

Germany

Date

2020-11-11

Registration Number

3524954

System for precision measurement of structure and method therefor

Inventors

Hoon Sohn, Kiyoung Kim, Jaemook Choi, Gunhee Koo, Junyeon Chung, Namyeol Kwon, Dooyoung Kang, Seungbeom Pack, Minjae Kim, Jaemin Moon, Jinseok Kang

Country

EU

Date

2020-11-11

Registration Number

3524954

System for precision measurement of structure and method therefor

Inventors

Hoon Sohn, Kiyoung Kim, Jaemook Choi, Gunhee Koo, Junyeon Chung, Namyeol Kwon, Dooyoung Kang, Seungbeom Pack, Minjae Kim, Jaemin Moon, Jinseok Kang

Country

UK

Date

2020-11-11

Registration Number

3524954

Remaining fatigue life estimation and failure warning system using nonlinear ultrasonic modulation

Inventors

Hoon Sohn, Hyungjin Lim, Yongtak Kim

Country

Korea

Date

2020-09-14

Registration Number

10-2157903-0000