Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11361791 | Aluminum alloy sheet for magnetic disk and production method therefor, and magnetic disk using said aluminum alloy sheet for magnetic disk | Kotaro KITAWAKI, Makoto Yonemitsu, Hideyuki Hatakeyama, Ryo Sakamoto, Yasuo Fujii | 2022-06-14 |
| 11270730 | Magnetic disk substrate, method for manufacturing same and magnetic disk | Takuya Murata, Kotaro KITAWAKI, Makoto Yonemitsu, Yasuo Fujii, Ryo Sakamoto +1 more | 2022-03-08 |