Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12227930 | Chemical feeding device | Kaoru Kasakawa | 2025-02-18 |
| 12129639 | Chemical solution supply device | Kaoru Kasakawa, Yuji Nakayama | 2024-10-29 |
| 12129640 | Chemical solution supply device | Kaoru Kasakawa, Yuji Nakayama, Dan Luo | 2024-10-29 |
| 11933032 | Chemical feeding device | Kaoru Kasakawa | 2024-03-19 |
| 11021438 | Curable compound | Fei Yang, Yoshimichi Okano, Feng Liu, Michiyo Nakai, Takayuki Yaegashi +2 more | 2021-06-01 |