Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10431252 | Substrate for magnetic disk and magnetic disk | Masanori Tamaki, Takeyoshi Takahashi | 2019-10-01 |
| 10290315 | Magnetic-disk substrate and magnetic disk | Takeyoshi Takahashi | 2019-05-14 |