Issued Patents 2022
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11514942 | Magnetic recording medium, magnetic signal reproduction device and method of manufacturing magnetic recording medium | — | 2022-11-29 |
| 11393502 | Magnetic recording medium having non-magnetic layer and characterized vertical squareness ratio, and magnetic recording and reproducing device | — | 2022-07-19 |
| 11260474 | Manufacturing machine | Yuhei Mezawa, Shigeyuki Takashima, Shigetsugu Sakai, Makoto Fujishima | 2022-03-01 |
| 11235387 | Workpiece processing method | Yuhei Mezawa, Shigeyuki Takashima, Shigetsugu Sakai, Makoto Fujishima | 2022-02-01 |