Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6120924 | Perovskite-type oxide materials containing nickel and iron for air electrode and solid oxide fuel cell using the same | Reiichi Chiba, Yoji Sakurai | 2000-09-19 |
| 4642245 | Iron oxide magnetic film and process for fabrication thereof | Osamu Ishii, Iwao Hatakeyama | 1987-02-10 |
| 4544612 | Iron oxide magnetic film and process for fabrication thereof | Osamu Ishii, Iwao Hatakeyama | 1985-10-01 |