Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9783971 | Discharge valve apparatus and one-piece flush toilet including same | Koki SHINOHARA, Yukinori Kubozono, Hideki Tanimoto, Kenji HATAMA | 2017-10-10 |
| 9745729 | Flush water tank assembly, and flush toilet with flush water tank assembly | Yukinori Kubozono | 2017-08-29 |
| 9499964 | Flush water supply device, flush water tank assembly with flush water supply device, and flush toilet with flush water tank assembly | Yuichi Oda, Yukinori Kubozono, Hisashi Koga, Haruki Matsuda | 2016-11-22 |
| 8720480 | Flush water supply device, flush water tank assembly with flush water supply device, and flush toilet with flush water tank assembly | Yuichi Oda, Hisashi Koga, Haruki Matsuda, Yukinori Kubozono | 2014-05-13 |