Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4673622 | Magnetic recording medium | Yoshio Kawakami, Masahiro Takizawa | 1987-06-16 |
| 4452863 | Magnetic recording medium | Masahiro Takizawa, Yoshio Kawakami | 1984-06-05 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4673622 | Magnetic recording medium | Yoshio Kawakami, Masahiro Takizawa | 1987-06-16 |
| 4452863 | Magnetic recording medium | Masahiro Takizawa, Yoshio Kawakami | 1984-06-05 |