Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11872521 | Air purifying system | Katsuya Umemoto, Kazuhiro Okumura, Tomoaki Umemura, Hideto Matsuyama, Eiji Kamio | 2024-01-16 |
| 8653394 | Electrostatic separation method and electrostatic separation device | Noboru Takikawa, Keiichi Mashio, Manabu Masamoto, Yasuhiro Mayumi | 2014-02-18 |
| 8071904 | Electrostatic separation method and electrostatic separation device | Noboru Takikawa, Keiichi Mashio, Manabu Masamoto, Yasuhiro Mayumi | 2011-12-06 |