Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7165577 | Cleaning valve drive unit | Hiroyuki Iwashita, Tsuyoshi Nakasone, Takanori Idota, Hironao Inoue | 2007-01-23 |
| 7069604 | Tankless western-style flush toilet | Kenichi Ito, Koji Miwa, Shingo Morikawa, Yasuhiro Shirai, Masataka Mizutani +4 more | 2006-07-04 |
| 7036159 | Tankless toilet, western-style flush toilet, part washing device and spud for flush toilet | Yasuhiro Shirai, Koji Miwa, Kenichi Ito, Takanori Idota, Masataka Mizutani +1 more | 2006-05-02 |
| 6895607 | Western-style water closet | Takanori Idota, Junjiro Ebitani, Toshio Hino, Toshiaki Matushita, Takashi Minami +1 more | 2005-05-24 |
| 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 |
| 6543066 | Washing water supply apparatus | Kenichi Ito, Shigeru Ozawa | 2003-04-08 |