Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11423937 | Aluminum alloy substrate for magnetic disk, method for producing the same, and magnetic disk using aluminum alloy substrate for magnetic disk | Kotaro KITAWAKI, Hideyuki Hatakeyama, Takashi Nakayama, Yasuo Fujii | 2022-08-23 |
| 11335367 | Aluminum alloy substrate for magnetic disk, disk drive device, method for manufacturing aluminum alloy substrate for magnetic disk, and method for measuring aluminum alloy substrate for magnetic disk | Kimie IMAKAWA, Toshihiro Nakamura, Hideki Takahashi, Keita YOSHIMURA, Naoki Kitamura +1 more | 2022-05-17 |