Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4340644 | Magnetic recording medium | Hiroshi Ota, Hitoshi Azegami | 1982-07-20 |
| 4315057 | Magnetic recording medium | Hitoshi Azegami, Hiroshi Ohta | 1982-02-09 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4340644 | Magnetic recording medium | Hiroshi Ota, Hitoshi Azegami | 1982-07-20 |
| 4315057 | Magnetic recording medium | Hitoshi Azegami, Hiroshi Ohta | 1982-02-09 |