Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10435876 | Bubble generator and flush toilet | Kouji FUKUYA, Masato WAKABAYASHI, Shuhei HAIDA, Koji Shimizu | 2019-10-08 |
| 10435877 | Flush toilet and bubble generation unit | Kouji FUKUYA, Masato WAKABAYASHI, Shuhei HAIDA, Koji Shimizu | 2019-10-08 |