Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4690768 | Process for the preparation of ferrite magnetic particulate for magnetic recording | — | 1987-09-01 |
| 4543198 | Ferrite magnetic material for magnetic recording and process for the preparation thereof | — | 1985-09-24 |
| 4493779 | Process for the preparation of ferrite magnetic particulate for magnetic recording | — | 1985-01-15 |
| 4213788 | Fluoride and phosphate containing optical glass | — | 1980-07-22 |