Issued Patents 2023
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11721461 | Particles of magnetoplumbite-type hexagonal ferrite, method for manufacturing the same, and radio wave absorber | Yoichi Hosoya, Tatsuo Mikami | 2023-08-08 |
| 11705156 | Hexagonal strontium ferrite powder, magnetic recording medium, and magnetic recording and reproducing apparatus | Kenji Naoi | 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 | Kenji Naoi, Takashi Fujimoto | 2023-01-24 |