Issued Patents 2023
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11705156 | Hexagonal strontium ferrite powder, magnetic recording medium, and magnetic recording and reproducing apparatus | Masashi Shirata | 2023-07-18 |
| 11574652 | Recording device and recording method | Shin-ichi Ohkoshi, Marie YOSHIKIYO, Kenta Imoto, Kosuke Nakagawa, Asuka Namai +3 more | 2023-02-07 |
| 11562839 | Core-shell particle and manufacturing method and fired product of the same, epsilon type iron oxide compound particle and manufacturing method of the same, and magnetic recording medium and manufacturing method of the same | Takashi Fujimoto, Masashi Shirata | 2023-01-24 |