Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7214145 | Photochromic golf ball | Yang Hwan Park, Kyung Jung Kang, Gwang Hee Lee, Jung Gyu Moon | 2007-05-08 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7214145 | Photochromic golf ball | Yang Hwan Park, Kyung Jung Kang, Gwang Hee Lee, Jung Gyu Moon | 2007-05-08 |