Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6823535 | Tankless western-style flush toilet including control portion | Kenichi Ito, Koji Miwa, Shingo Morikawa, Yasuhiro Shirai, Masataka Mizutani +4 more | 2004-11-30 |
| 6675399 | Tankless toilet, western-style flush toilet, private part washing device and spud for flush toilet | Yasuhiro Shirai, Koji Miwa, Kenichi Ito, Takanori Idota, Masataka Mizutani +1 more | 2004-01-13 |