Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4363850 | Magnetic recording medium | Masaaki Yasui, Takeshi Matsuura | 1982-12-14 |
| 4322474 | Magnetic recording medium | Takeshi Matsuura | 1982-03-30 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4363850 | Magnetic recording medium | Masaaki Yasui, Takeshi Matsuura | 1982-12-14 |
| 4322474 | Magnetic recording medium | Takeshi Matsuura | 1982-03-30 |