Issued Patents 2022
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11488627 | Ferromagnetic powder for magnetic recording and magnetic recording medium | Masashi Shirata | 2022-11-01 |
| 11459244 | Particles of β-iron oxyhydroxide-based compound, manufacturing method of the same, manufacturing method of particles of ϵ-iron oxide-based compound, and manufacturing method of magnetic recording medium | Takashi Fujimoto, Masashi Shirata | 2022-10-04 |
| 11450344 | Magnetic recording medium, magnetic recording and reproducing device, and e-iron oxide powder | Koichi Yagishita | 2022-09-20 |
| 11348612 | E-iron oxide powder, composition including the same, magnetic recording medium, and magnetic recording and reproducing device | — | 2022-05-31 |
| 11348711 | Core-shell particle, fired product of core-shell particle, manufacturing method of core-shell particle, epsilon type iron oxide-based compound particle, manufacturing method of epsilon type iron oxide-based compound particle, magnetic recording medium, and manufacturing method of magnetic recording medium | Masashi Shirata, Takashi Fujimoto | 2022-05-31 |
| 11270726 | Magnetic recording medium and magnetic recording and reproducing device | — | 2022-03-08 |
| 11244701 | Hexagonal strontium ferrite powder for magnetic recording and magnetic recording medium | Masashi Shirata | 2022-02-08 |
| 11222661 | Hexagonal strontium ferrite powder, magnetic recording medium, and magnetic recording and reproducing apparatus | Masashi Shirata | 2022-01-11 |
| 11222660 | Magnetic recording medium for microwave-assisted recording, magnetic recording device, and manufacturing method of magnetic recording medium | — | 2022-01-11 |