Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5221497 | Elongated-shaped silica sol and method for preparing the same | Yoshitane Watanabe, Mikio Ando, Kenji Tanimoto, Makoto Kawashima | 1993-06-22 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5221497 | Elongated-shaped silica sol and method for preparing the same | Yoshitane Watanabe, Mikio Ando, Kenji Tanimoto, Makoto Kawashima | 1993-06-22 |