Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11208710 | Aluminum alloy substrate for magnetic disks, method for producing same, and magnetic disk using this aluminum alloy substrate for magnetic disks | Kotaro KITAWAKI, Takuya Murata, Kouichiro Takiguchi, Takashi Nakayama, Kimie IMAKAWA +2 more | 2021-12-28 |
| 11211088 | Magnetic disc, aluminum alloy substrate for magnetic disc, and production method for aluminum alloy substrate | Takuya Murata, Kotaro KITAWAKI, Hideyuki Hatakeyama, Takashi Nakayama, Ryo Sakamoto +1 more | 2021-12-28 |
| 11037594 | Aluminum-alloy substrate for magnetic disk, method for manufacturing same and magnetic disk employing said aluminum-alloy substrate for magnetic disk | Kotaro KITAWAKI, Hideyuki Hatakeyama, Takashi Nakayama, Yasuo Fujii, Ryo Sakamoto | 2021-06-15 |