Issued Patents 2022
Showing 1–5 of 5 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 | Takuya Murata, Kotaro KITAWAKI, Hideyuki Hatakeyama, Ryo Sakamoto, Hiroki Ota | 2022-10-25 |
| 11404082 | Aluminium alloy substrate for magnetic disk, method for fabricating the same, and magnetic disk composed of aluminium alloy substrate for magnetic disk | Kotaro KITAWAKI, Takashi Nakayama, Kimie IMAKAWA, Hideyuki Hatakeyama | 2022-08-02 |
| 11361791 | Aluminum alloy sheet for magnetic disk and production method therefor, and magnetic disk using said aluminum alloy sheet for magnetic disk | Kotaro KITAWAKI, Hideyuki Hatakeyama, Sadayuki Toda, Ryo Sakamoto, Yasuo Fujii | 2022-06-14 |
| 11341995 | Aluminum alloy sheet for magnetic disk and production method therefor, and magnetic disk using said aluminum alloy sheet for magnetic disk | Kotaro KITAWAKI, Yu Igarashi, Keisuke KAMIYA, Yu Matsui, Ryo Sakamoto +2 more | 2022-05-24 |
| 11270730 | Magnetic disk substrate, method for manufacturing same and magnetic disk | Takuya Murata, Kotaro KITAWAKI, Yasuo Fujii, Ryo Sakamoto, Hideyuki Hatakeyama +1 more | 2022-03-08 |