Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11183209 | High density magnetic recording medium and cartridge | Minoru Yamaga, Toshiaki Miura, Takanobu Iwama, Jun Takahashi | 2021-11-23 |
| 11056143 | Magnetic recording medium | Minoru Yamaga, Noboru Sekiguchi, Takashi Aizawa | 2021-07-06 |
| 10937457 | Magnetic recording medium | Minoru Yamaga, Noboru Sekiguchi, Takashi Aizawa | 2021-03-02 |