Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12232660 | Bathtub apparatus | Hiroshi Tsuboi, Koji Sonoda, Yu ICHIKAWA, Masayoshi ENOKI, Kensuke Azuma +5 more | 2025-02-25 |
| 10272451 | Spout apparatus | Kiyotake Ukigai, Katsuya Nagata, Masateru Miyazaki, Yutaka Aihara, Shuhei Hayata +2 more | 2019-04-30 |
| 10071386 | Spouting apparatus | Kiyotake Ukigai, Katsuya Nagata, Masateru Miyazaki, Yutaka Aihara, Shuhei Hayata +2 more | 2018-09-11 |