Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5650194 | Process for producing co-coated acicular magnetite particles | Minoru Yamasaki, Junichi Kawano, Hideaki Sadamura | 1997-07-22 |
| 5626962 | Co-coated acicular magnetite particles and process for producing the same | Minoru Yamasaki, Junichi Kawano, Hideaki Sadamura | 1997-05-06 |