Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12415741 | Refill system with improved utilization rate of ultra-thin glass production process | HANGGYUN PARK, Hyo-Seop Kim, Hyoungsuk Roh, Jang-Doo Lee, Bon Ki Koo +3 more | 2025-09-16 |
| 12415751 | Glass plate strengthening device and glass plate strengthening method using the same | Hyo-Seop Kim, Tae Sik Kim, Chanwook Park, HANGGYUN PARK, Sungeun Boo +3 more | 2025-09-16 |
| 12157693 | Method of manufacturing window and window manufactured by the same | Hyungsik Kim, Cheollae Roh, Jang-Doo Lee, Beomsoo Kim, HANGGYUN PARK +4 more | 2024-12-03 |
| 12116307 | Jig for manufacturing window and method of manufacturing window using the same | HANGGYUN PARK, Beomsoo Kim, Byungchan Kim, Jang-Doo Lee, Seungjun Yi +1 more | 2024-10-15 |