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, Jung Hwan MYUNG, 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, Jung Hwan MYUNG, Myung-Ok Kyun, Jooyoung JUNG | 2024-07-30 |
| 11987541 | Method of preparing diisocyanate composition | Jaeyoung Pai, Jeongmoo Kim, Jung Hwan MYUNG | 2024-05-21 |
| 11964931 | Method of preparing diisocyanate composition and optical lens | Jaeyoung Pai, Jeongmoo Kim, Jung Hwan MYUNG | 2024-04-23 |
| 11958937 | Polymerizable composition and optical material produced therefrom | Seung Mo Hong, Jung Hwan MYUNG, Jeongmoo Kim, Junghwan Shin | 2024-04-16 |
| 11932591 | Method of preparing diisocyanate composition and optical lens | Jaeyoung Pai, Jeongmoo Kim, Jung Hwan MYUNG, Jooyoung JUNG, Myung-Ok Kyun | 2024-03-19 |
| 11760719 | Diamine composition, and method of preparing diisocyanate composition | Jaeyoung Pai, Jeongmoo Kim, Jung Hwan MYUNG, Jooyoung JUNG, Myung-Ok Kyun | 2023-09-19 |
| 11731936 | Diisocyanate composition, preparation method thereof and optical material using same | Jaeyoung Pai, Jeongmoo Kim, Jung Hwan MYUNG, Jooyoung JUNG, Myung-Ok Kyun | 2023-08-22 |
| 11724356 | Porous polyurethane polishing pad and preparation method thereof | Jang Won SEO, Hye Young HEO, Joonsung Ryou, Young Pil Kwon | 2023-08-15 |
| 11702384 | Diisocyanate composition for optical lens and preparation method thereof | Jaeyoung Pai, Jeongmoo Kim, Jung Hwan MYUNG | 2023-07-18 |
| 11673992 | Isocyanate composition with improved stability and reactivity, and optical lens using same | Junghwan Shin, Jung Hwan MYUNG | 2023-06-13 |
| 11642752 | Porous polyurethane polishing pad and process for preparing the same | Jang Won SEO, Hye Young HEO, Joonsung Ryou, Young Pil Kwon | 2023-05-09 |
| 11634383 | Method of preparing diisocyanate composition | Jaeyoung Pai, Jeongmoo Kim, Jung Hwan MYUNG | 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, Jung Hwan MYUNG, Jongmin Shim | 2023-02-07 |
| 11518737 | Method of preparing diisocyanate composition and optical lens | Jaeyoung Pai, Jeongmoo Kim, Jung Hwan MYUNG, Jooyoung JUNG, Myung-Ok Kyun | 2022-12-06 |
| 11339121 | Method of preparing diisocyanate composition | Jaeyoung Pai, Jeongmoo Kim, Jung Hwan MYUNG | 2022-05-24 |
| 11325222 | Porous polyurethane polishing pad and method for manufacturing same | Hye Young HEO, Jang Won SEO | 2022-05-10 |
| 11155006 | Method and apparatus for releasing molded article from mold | Junghwan Shin, Jung Hwan MYUNG, Jongmin Shim | 2021-10-26 |
| 10759895 | Polymerizable composition for optical material | Jongmin Shim, Junghwan Shin, Seung Mo Hong, Jung Hwan MYUNG | 2020-09-01 |
| 10723696 | Xylylene diisocyanate composition with improved stability and reactivity and optical lens using the same | Junghwan Shin, Seung Mo Hong, Sang Mook Kim | 2020-07-28 |
| 10723697 | Preparation method of polythiol for optical lenses by using metal sulfide | Junghwan Shin, Seung Mo Hong, Jongmin Shim, Jung Hwan MYUNG, Hyeon Myeong Seo +2 more | 2020-07-28 |
| 10703852 | Isocyanate composition for optical lenses and process for preparing the same | Junghwan Shin, Jongmin Shim | 2020-07-07 |
| 10435512 | Polythiol composition for a plastic optical lens | Jongmin Shim, Jung Hwan MYUNG, Seung Mo Hong, Junghwan Shin, Hyeon Myeong Seo | 2019-10-08 |