Issued Patents 2025
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12391781 | Black particles, black coating material, coating film, and black matrix for color filters | Ren-de Sun, Hiroji Fukui | 2025-08-19 |
| 12282283 | Cartridge including photoconductive drum, developing roller, memory and terminal connected to the memory | Fumio Morita | 2025-04-22 |