Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4317675 | Magnetic iron powder containing molybdenum | Toshikazu Nishihara, Hiromasa Isono, Sadao Ozaki, Noboru Takahashi | 1982-03-02 |
| 4315052 | Magnetic recording medium | Noboru Takahashi, Sadao Ozaki, Hiromasa Isono, Toshikazu Nishihara, Takeshi Ikushima | 1982-02-09 |