Issued Patents 2022
Showing 1–4 of 4 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, Wataru Kumagai | 2022-08-23 |
| 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, Sadayuki Toda, Ryo Sakamoto | 2022-06-14 |
| 11332487 | Cyclopentadienyl nickel complex compound | Shigeo Yasuhara | 2022-05-17 |
| 11270730 | Magnetic disk substrate, method for manufacturing same and magnetic disk | Takuya Murata, Kotaro KITAWAKI, Makoto Yonemitsu, Ryo Sakamoto, Hideyuki Hatakeyama +1 more | 2022-03-08 |