Issued Patents 2020
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10865307 | Polymerizable composition for plastic lens and method of preparing plastic lens using same | Jung Hwan MYUNG, Junghwan Shin | 2020-12-15 |
| 10759895 | Polymerizable composition for optical material | Jongmin Shim, Junghwan Shin, Hyuk Hee HAN, Jung Hwan MYUNG | 2020-09-01 |
| 10723696 | Xylylene diisocyanate composition with improved stability and reactivity and optical lens using the same | Junghwan Shin, Hyuk Hee HAN, Sang Mook Kim | 2020-07-28 |
| 10723697 | Preparation method of polythiol for optical lenses by using metal sulfide | Junghwan Shin, Jongmin Shim, Hyuk Hee HAN, Jung Hwan MYUNG, Hyeon Myeong Seo +2 more | 2020-07-28 |
| 10669367 | Polythiol composition for plastic lens | Jongmin Shim, Junghwan Shin | 2020-06-02 |