Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7165577 | Cleaning valve drive unit | Hiroyuki Iwashita, Tsuyoshi Nakasone, Katsunori Tomita, Hironao Inoue | 2007-01-23 |
| 7036159 | Tankless toilet, western-style flush toilet, part washing device and spud for flush toilet | Katsunori Tomita, Yasuhiro Shirai, Koji Miwa, Kenichi Ito, Masataka Mizutani +1 more | 2006-05-02 |
| 6895607 | Western-style water closet | Junjiro Ebitani, Toshio Hino, Toshiaki Matushita, Katsunori Tomita, Takashi Minami +1 more | 2005-05-24 |
| 6675399 | Tankless toilet, western-style flush toilet, private part washing device and spud for flush toilet | Katsunori Tomita, Yasuhiro Shirai, Koji Miwa, Kenichi Ito, Masataka Mizutani +1 more | 2004-01-13 |