Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11482251 | Aluminum alloy substrate for magnetic disk and method for manufacturing same, aluminum alloy base disk for magnetic disk and method for manufacturing same, and magnetic disk and method for manufacturing the same | Kotaro KITAWAKI, Makoto Yonemitsu, Hideyuki Hatakeyama, Ryo Sakamoto, Hiroki Ota | 2022-10-25 |
| 11270730 | Magnetic disk substrate, method for manufacturing same and magnetic disk | Kotaro KITAWAKI, Makoto Yonemitsu, Yasuo Fujii, Ryo Sakamoto, Hideyuki Hatakeyama +1 more | 2022-03-08 |