Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12427709 | Method for manufacturing polyimide-based film and polyimide-based film manufacture | Ki II HONG | 2025-09-30 |
| 11577449 | Method for manufacturing polyimide-based film and polyimide-based film manufactured thereby | Ki II HONG | 2023-02-14 |
| 11421081 | Polyimide-polybenzoxazole precursor solution, polyimide-polybenzoxazole film, and preparation method therefor | Doo Li CHOI | 2022-08-23 |
| 11130844 | Polyamide-imide precursor, polyamide-imide film, and display device comprising same | Jong Won YANG | 2021-09-28 |
| 11040522 | Polyimide cover substrate | Hak Yong WOO, Ki Il Hong | 2021-06-22 |
| 10884274 | Plastic substrate and device including the same | Jeong Han Kim, Hyo Jun Park | 2021-01-05 |
| RE48141 | Transparent polyamide-imide resin and film using same | Chul Ha Ju, Hyo Jun Park | 2020-08-04 |
| 10662290 | Polyamide-imide precursor, polyamide-imide film and display device comprising same | Jae Il Kim | 2020-05-26 |
| 10538665 | High heat-resistant polyamic acid solution and polyimide film | Woong Ki Min, Hyo Jun Park, Ki Il Hong | 2020-01-21 |
| 10526451 | Polyamide-imide precursor, polyamide-imide film, and display device comprising same | Chul Ha Ju, Hyo Jun Park | 2020-01-07 |
| 10062474 | Transparent electrode, conductive laminate and conductive layer | Ji Sung Kim, Jeong Han Kim | 2018-08-28 |
| 9982103 | Polyimide and polyimide film comprising the same | Chul Ha Ju, Hyo Jun Park | 2018-05-29 |
| 9733503 | Plastic substrate and device including the same | Jeong Han Kim, Hyo Jun Park | 2017-08-15 |
| 9706649 | Plastic substrate, method for producing the same and touch screen panel containing the same | Hyo Jun Park, Chul Ha Ju | 2017-07-11 |
| 9676739 | Acid dianhydride, method for preparing same, and polyimide prepared therefrom | Hyo Jun Park, Chang Sik HA, Prdip Kumar Tapaswi, Young Sik Jeong | 2017-06-13 |
| 9656982 | Acid dianhydride, method for preparing same, and polyimide prepared therefrom | Hyo Jun Park, Chang Sik HA, Pradip Kumar TAPASWI, Young Sik Jeong | 2017-05-23 |
| 9657140 | Polyimide and film using same | Hyo Jun Park, Chang Sik HA, Pradip Kumar TAPASWI, Young Sik Jeong | 2017-05-23 |
| 9580555 | Transparent polyamide-imide resin and film using same | Chul Ha Ju, Hyo Jun Park | 2017-02-28 |
| 9434816 | Polyamide-imide copolymer film and method of preparing polyamide-imide copolymer | Hyo Jun Park | 2016-09-06 |
| 9243119 | Polyimide film | Hyo Jun Park, Sang Min Song, Chung Seock Kang | 2016-01-26 |
| 9221954 | Polyimide film | Hyo Jun Park, Sang Min Song, Chung Seock Kang | 2015-12-29 |
| 9061474 | Transparent polyimide film and preparation method thereof | Chul Ha Ju, Hyo Jun Park | 2015-06-23 |
| 9018343 | Polyamide-imide copolymer film and method of preparing polyamide-imide copolymer | Hyo Jun Park | 2015-04-28 |
| 7968670 | Polyimide resin and liquid crystal alignment layer and polyimide film using the same | Sang Wook Park, Hyo Jun Park | 2011-06-28 |