Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7594282 | Western-style toilet facility | — | 2009-09-29 |
| 7069604 | Tankless western-style flush toilet | Katsunori Tomita, Kenichi Ito, Koji Miwa, Shingo Morikawa, Masataka Mizutani +4 more | 2006-07-04 |
| 7036159 | Tankless toilet, western-style flush toilet, part washing device and spud for flush toilet | Katsunori Tomita, Koji Miwa, Kenichi Ito, Takanori Idota, Masataka Mizutani +1 more | 2006-05-02 |
| 6823535 | Tankless western-style flush toilet including control portion | Katsunori Tomita, Kenichi Ito, Koji Miwa, Shingo Morikawa, Masataka Mizutani +4 more | 2004-11-30 |
| 6675399 | Tankless toilet, western-style flush toilet, private part washing device and spud for flush toilet | Katsunori Tomita, Koji Miwa, Kenichi Ito, Takanori Idota, Masataka Mizutani +1 more | 2004-01-13 |
| 5452174 | Power source circuit incorporating a protection device therein and a printer device employing the same | Naoji Akutsu, Akira Hagiwara | 1995-09-19 |