Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12203007 | Polishing liquid | Hiroki Nakagawa | 2025-01-21 |
| 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 |