Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12227930 | Chemical feeding device | Kouji NAKATANI | 2025-02-18 |
| 12129639 | Chemical solution supply device | Kouji NAKATANI, Yuji Nakayama | 2024-10-29 |
| 12129640 | Chemical solution supply device | Kouji NAKATANI, Yuji Nakayama, Dan Luo | 2024-10-29 |
| 11933032 | Chemical feeding device | Kouji NAKATANI | 2024-03-19 |
| 11701209 | Interdental cleaning tool production method | — | 2023-07-18 |
| 11225009 | Manufacturing device for multiple-chamber container and method therefor | Yoshiki Miyazawa, Junji Takahashi | 2022-01-18 |