Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4865829 | Method for preparing silica gel particles | Toru Tagawa, Yasuo Oguri | 1989-09-12 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4865829 | Method for preparing silica gel particles | Toru Tagawa, Yasuo Oguri | 1989-09-12 |