Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12421346 | Polythiol composition, optical composition, and optical product | Jae Young PAI, Jeong Moo KIM, Hyuk Hee HAN, Kyeong Hwan YOU, Joo-young Jung +2 more | 2025-09-23 |
| 12049437 | Diisocyanate composition, preparation method thereof and optical material using same | Jaeyoung Pai, Jeongmoo Kim, Hyuk Hee HAN, Myung-Ok Kyun, Jooyoung JUNG | 2024-07-30 |
| 11987541 | Method of preparing diisocyanate composition | Jaeyoung Pai, Jeongmoo Kim, Hyuk Hee HAN | 2024-05-21 |
| 11964931 | Method of preparing diisocyanate composition and optical lens | Jaeyoung Pai, Jeongmoo Kim, Hyuk Hee HAN | 2024-04-23 |
| 11958937 | Polymerizable composition and optical material produced therefrom | Seung Mo Hong, Hyuk Hee HAN, Jeongmoo Kim, Junghwan Shin | 2024-04-16 |
| 11932591 | Method of preparing diisocyanate composition and optical lens | Jaeyoung Pai, Jeongmoo Kim, Hyuk Hee HAN, Jooyoung JUNG, Myung-Ok Kyun | 2024-03-19 |
| 11760719 | Diamine composition, and method of preparing diisocyanate composition | Jaeyoung Pai, Jeongmoo Kim, Hyuk Hee HAN, Jooyoung JUNG, Myung-Ok Kyun | 2023-09-19 |
| 11760721 | Polymerizable composition for polythiourethane-based optical material | Seung Mo Hong, Hyeon Myeong Seo, Junghwan Shin | 2023-09-19 |
| 11731936 | Diisocyanate composition, preparation method thereof and optical material using same | Jaeyoung Pai, Jeongmoo Kim, Hyuk Hee HAN, Jooyoung JUNG, Myung-Ok Kyun | 2023-08-22 |
| 11702384 | Diisocyanate composition for optical lens and preparation method thereof | Jaeyoung Pai, Jeongmoo Kim, Hyuk Hee HAN | 2023-07-18 |
| 11673992 | Isocyanate composition with improved stability and reactivity, and optical lens using same | Junghwan Shin, Hyuk Hee HAN | 2023-06-13 |
| 11634383 | Method of preparing diisocyanate composition | Jaeyoung Pai, Jeongmoo Kim, Hyuk Hee HAN | 2023-04-25 |
| 11578038 | Method for preparing polythiol composition | Jaeyoung Pai, Seung Mo Hong, Hyeon Myeong Seo, Junghwan Shin, Jeongmoo Kim +1 more | 2023-02-14 |
| 11572432 | Polythiourethane-based plastic lens | Junghwan Shin, Jongmin Shim, Hyuk Hee HAN | 2023-02-07 |
| 11518737 | Method of preparing diisocyanate composition and optical lens | Jaeyoung Pai, Jeongmoo Kim, Hyuk Hee HAN, Jooyoung JUNG, Myung-Ok Kyun | 2022-12-06 |
| 11339121 | Method of preparing diisocyanate composition | Jaeyoung Pai, Jeongmoo Kim, Hyuk Hee HAN | 2022-05-24 |
| 11279673 | Aromatic polythiol compound for optical material | Seung Mo Hong, Hyeon Myeong Seo, Jongmin Shim, Sang Mook Kim, Junghwan Shin | 2022-03-22 |
| 11248011 | Phosphorus-based releasing agent, optical polymerizable composition comprising same and preparation thereof | Seung Mo Hong, Jongmin Shim, Junghwan Shin | 2022-02-15 |
| 11155006 | Method and apparatus for releasing molded article from mold | Junghwan Shin, Hyuk Hee HAN, Jongmin Shim | 2021-10-26 |
| 10968309 | Polymerizable composition for a plastic lens | Seung Mo Hong, Junghwan Shin | 2021-04-06 |
| 10865307 | Polymerizable composition for plastic lens and method of preparing plastic lens using same | Seung Mo Hong, Junghwan Shin | 2020-12-15 |
| 10759895 | Polymerizable composition for optical material | Jongmin Shim, Junghwan Shin, Seung Mo Hong, Hyuk Hee HAN | 2020-09-01 |
| 10723697 | Preparation method of polythiol for optical lenses by using metal sulfide | Junghwan Shin, Seung Mo Hong, Jongmin Shim, Hyuk Hee HAN, Hyeon Myeong Seo +2 more | 2020-07-28 |
| 10435512 | Polythiol composition for a plastic optical lens | Jongmin Shim, Seung Mo Hong, Hyuk Hee HAN, Junghwan Shin, Hyeon Myeong Seo | 2019-10-08 |