Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10206615 | Content evaluation system and content evaluation method using the system | — | 2019-02-19 |
| 10203753 | Video immersion inducing apparatus and video immersion inducing method using the apparatus | — | 2019-02-12 |
| 10188338 | Content evaluation system and content evaluation method using the system | — | 2019-01-29 |
| 7990161 | Apparatus for measuring total acid number of oil and estimating lifetime of oil, and method for measuring total acid number of oil and oil sensor using the same | Byeong Kwon Ju, Cheol Ho Yeo | 2011-08-02 |