Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10953456 | Blade cutting device and blade cutting method | Koji Kitamoto | 2021-03-23 |
| 6841137 | Apparatus for generating ozone in high concentration | Seung Hee Han, Yeon Hee Lee, Gyu Jin Ha, Jang Seop Kim | 2005-01-11 |