Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11189314 | Magnetic recording medium | Minoru Yamaga | 2021-11-30 |
| 11056143 | Magnetic recording medium | Minoru Yamaga, Tooru SATO, Takashi Aizawa | 2021-07-06 |
| 11017809 | Magnetic recording medium having a controlled dimensional variation | Minoru Yamaga | 2021-05-25 |
| 10984833 | Magnetic recording cartridge | Minoru Yamaga | 2021-04-20 |
| 10978104 | Magnetic recording medium having a dimensional variation and cartridge | Minoru Yamaga | 2021-04-13 |
| 10964346 | Magnetic recording medium and cartridge | Minoru Yamaga | 2021-03-30 |
| 10937457 | Magnetic recording medium | Minoru Yamaga, Tooru SATO, Takashi Aizawa | 2021-03-02 |