Issued Patents 2025
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12406694 | Magnetic disk-use glass substrate manufacturing method, discoidal glass substrate, glass substrate, and magnetic disk-use glass substrate | Shuhei AZUMA | 2025-09-02 |
| 12365815 | Polishing liquid, polishing liquid set, polishing method, and defect suppression method | Hisato Takahashi, Masayuki Hanano | 2025-07-22 |
| 12344545 | Method for manufacturing glass plate, method for manufacturing magnetic-disk glass substrate, and method for manufacturing magnetic disk | Shuhei AZUMA | 2025-07-01 |
| 12266389 | Magnetic disk substrate, magnetic disk, annular-shaped substrate, and method for manufacturing magnetic disk substrate | Shuhei AZUMA | 2025-04-01 |
| 12252633 | Polishing liquid and method for manufacturing glass substrate | — | 2025-03-18 |