Issued Patents 2021
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11098224 | Method for polishing glass substrate, method for manufacturing glass substrate, method for manufacturing magnetic-disk glass substrate, method for manufacturing magnetic disk, polishing liquid, and method for reducing cerium oxide | Hiroki Nakagawa | 2021-08-24 |