Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5667725 | Sol and fine powder of sodium magnesium fluoride and processes for their production | Keitaro Suzuki, Yoshinari Koyama, Motoko Iijima | 1997-09-16 |
| 5597512 | Method for preparing elongated-shaped silica sol | Yoshiyuki Kashima, Hiroyuki Takagi | 1997-01-28 |