Issued Patents All Time
Showing 1–6 of 6 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 |
| 7036159 | Tankless toilet, western-style flush toilet, part washing device and spud for flush toilet | Katsunori Tomita, Yasuhiro Shirai, Koji Miwa, Kenichi Ito, Takanori Idota +1 more | 2006-05-02 |
| 6823535 | Tankless western-style flush toilet including control portion | Katsunori Tomita, Kenichi Ito, Koji Miwa, Shingo Morikawa, Yasuhiro Shirai +4 more | 2004-11-30 |
| 6675399 | Tankless toilet, western-style flush toilet, private part washing device and spud for flush toilet | Katsunori Tomita, Yasuhiro Shirai, Koji Miwa, Kenichi Ito, Takanori Idota +1 more | 2004-01-13 |
| 6430366 | Water heating appliance with tipover and float switches | Nobuyuki Tanaka, Atsushi Sawaki | 2002-08-06 |
| 5711645 | Connecting clip for toilet seat | Tohru Sanbonmatsu, Nobuyuki Tanaka, Akira Takamata, Shuniti Teranisi, Atsushi Sawaki | 1998-01-27 |