Issued Patents 2018
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D831799 | Water closet | Mitsuya Obara, James Kaoru Bury | 2018-10-23 |
| 9988803 | Urinal having continuously curved bowl surface | Yusuke Takiguchi, Yuichi Furuta, Tomohiro Kai, Hironori Yamasaki | 2018-06-05 |
| D811564 | Toilet seat | Yuji Yoshioka, Hirotaka Nakabayashi | 2018-02-27 |
| D810250 | Water closet | Yuji Yoshioka, Hirotaka Nakabayashi | 2018-02-13 |