Issued Patents 2017
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9850649 | Vortex flow type water surface control device for draining device | Hiromi Watanabe, Hiroshi Komatsu, Shigeki Nishimura | 2017-12-26 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9850649 | Vortex flow type water surface control device for draining device | Hiromi Watanabe, Hiroshi Komatsu, Shigeki Nishimura | 2017-12-26 |