Issued Patents 2019
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10400147 | Method for producing purified active silicic acid solution and silica sol | Noriyuki Takakuma, Tohru Nishimura, Naoki Kawashita, Kouji Yamaguchi | 2019-09-03 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10400147 | Method for producing purified active silicic acid solution and silica sol | Noriyuki Takakuma, Tohru Nishimura, Naoki Kawashita, Kouji Yamaguchi | 2019-09-03 |