Issued Patents 2020
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10550300 | Method for producing purified active silicic acid solution and silica sol | Kiyomi Ema, Noriyuki Takakuma, Naoki Kawashita, Kouji Yamaguchi | 2020-02-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10550300 | Method for producing purified active silicic acid solution and silica sol | Kiyomi Ema, Noriyuki Takakuma, Naoki Kawashita, Kouji Yamaguchi | 2020-02-04 |