Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11152711 | Electromagnetic-wave-absorbing sheet | Toshio HIROI | 2021-10-19 |
| 11100948 | Coating-type magnetic recording medium for heat-assisted recording, and heat-assisted magnetic recording apparatus and heat-assisted magnetic recording method using the same | Shinji Kawakami, Toshio HIROI | 2021-08-24 |