Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12338323 | Method for preparing polyamide by anion ring-opening polymerization and polyamide prepared thereby | Seung Hoe Do, Jin Seo Lee, Kyung Ho Kwon, Do Kyoung Kim, Hye Yeon LEE | 2025-06-24 |
| 12215194 | Method for producing polyamide comprising amide-based molecular weight modifier, and polyamide produced thereby | Kyung Ho Kwon, Seung Hoe Do, Jin Seo Lee, Dae Hak Kim, Do Kyoung Kim +1 more | 2025-02-04 |
| 11814480 | Method for producing polyamide with controlled activator addition, and polyamide produced thereby | Hye Yeon LEE, Do Kyoung Kim, Seung Hoe Do, Jin Seo Lee, Kyung Ho Kwon +1 more | 2023-11-14 |
| 11718713 | Method for producing polyamide by coordinated anionic ring-opening polymerization, and polyamide produced thereby | Hye Yeon LEE, Dae Hak Kim, Seung Hoe Do, Jin Seo Lee, Kyung Ho Kwon +1 more | 2023-08-08 |
| 11433639 | Lightweight sandwich steel sheet using polyamide, and manufacturing method therefor | Dae Hak Kim, Seung Hoe Do, Jin Seo Lee, Kyung Ho Kwon, Do Kyoung Kim +1 more | 2022-09-06 |