Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8979432 | Vortex flow type water surface control device for draining device | Ikuo Uemura, Shouichi Banba, Aya Uchino, Tsuneo Ochiai, Hiroshi Komatsu +2 more | 2015-03-17 |
| 8459900 | Vortex flow type water surface control device for draining device | Ikuo Uemura, Shouichi Banba, Aya Uchino, Tsuneo Ochiai, Hiroshi Komatsu +2 more | 2013-06-11 |