Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4722863 | Magnetic recording medium | Jozo Shimizu, Kozaburo Sato | 1988-02-02 |
| 4299882 | Magnetic recording medium and process | Fumio Togawa, Haruo Andoh | 1981-11-10 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4722863 | Magnetic recording medium | Jozo Shimizu, Kozaburo Sato | 1988-02-02 |
| 4299882 | Magnetic recording medium and process | Fumio Togawa, Haruo Andoh | 1981-11-10 |