Issued Patents 2025
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12421396 | Silica particles and method for producing the same | Sakae TAKEUCHI, Koji Sasaki, Yoshifumi Eri, Mai MOCHIDA | 2025-09-23 |
| 12351467 | Silica particle and method for producing the same | Koji Sasaki, Sakae TAKEUCHI, Yoshifumi Eri, Takahiro Mizuguchi | 2025-07-08 |
| 12287607 | Electrostatic charge image developing toner, electrostatic charge image developer, toner cartridge, process cartridge, image forming apparatus, and image forming method | Shimpei Takagi, Sakae TAKEUCHI, Koji Sasaki, Yoshifumi Eri, Mai MOCHIDA | 2025-04-29 |
| 12215033 | Silica particles comprising nitrogen element-containing compound containing molybdenum element | Sakae TAKEUCHI, Koji Sasaki, Yoshifumi Eri, Mai MOCHIDA | 2025-02-04 |