Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9999327 | Toilet apparatus | Hiroshi Hashimoto | 2018-06-19 |
| 9752310 | Flush toilet apparatus | Hidekazu Kitaura, Ryoko Ishimaru | 2017-09-05 |
| 9745731 | Flush toilet apparatus | Hidekazu Kitaura, Ryoko Ishimaru | 2017-08-29 |
| 9476193 | Flush toilet apparatus | Hidekazu Kitaura, Ryoko Ishimaru | 2016-10-25 |
| 9476191 | Flush toilet apparatus | Hidekazu Kitaura, Ryoko Ishimaru, Yoshiki Ota, Takashi Yoshioka | 2016-10-25 |
| 9328495 | Flush toilet apparatus | Hidekazu Kitaura, Ryoko Ishimaru, Yoshiki Ota, Takashi Yoshioka | 2016-05-03 |
| 9021622 | Flush toilet device | Hidekazu Kitaura, Ryoko Ishimaru, Yoshiki Ota, Takashi Yoshioka | 2015-05-05 |