Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7069604 | Tankless western-style flush toilet | Katsunori Tomita, Kenichi Ito, Koji Miwa, Shingo Morikawa, Yasuhiro Shirai +4 more | 2006-07-04 |
| 6823535 | Tankless western-style flush toilet including control portion | Katsunori Tomita, Kenichi Ito, Koji Miwa, Shingo Morikawa, Yasuhiro Shirai +4 more | 2004-11-30 |