Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5644037 | Method for the preparation of polyhedral particles of a rare earth ammonium double oxalate | Isamu Fujioka, Shigeru Sakai | 1997-07-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5644037 | Method for the preparation of polyhedral particles of a rare earth ammonium double oxalate | Isamu Fujioka, Shigeru Sakai | 1997-07-01 |