Issued Patents 2025
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12298711 | Toner for developing electrostatic charge image, electrostatic charge image developer, toner cartridge, process cartridge, and image forming apparatus | Daisuke Ishizuka, Keita Yamamoto, Eiji Kawakami | 2025-05-13 |
| 12259683 | Toner for developing electrostatic charge image and electrostatic charge image developer | Daisuke Ishizuka | 2025-03-25 |