Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9009877 | Drain duct air suction device for flush toilet | Koji Miwa, Kojiro Watari, Ken Higuchi | 2015-04-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9009877 | Drain duct air suction device for flush toilet | Koji Miwa, Kojiro Watari, Ken Higuchi | 2015-04-21 |