Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12421396 | Silica particles and method for producing the same | Yuka ZENITANI, Sakae TAKEUCHI, Koji Sasaki, Yoshifumi Eri | 2025-09-23 |
| 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, Yuka ZENITANI, Koji Sasaki, Yoshifumi Eri | 2025-04-29 |
| 12215033 | Silica particles comprising nitrogen element-containing compound containing molybdenum element | Yuka ZENITANI, Sakae TAKEUCHI, Koji Sasaki, Yoshifumi Eri | 2025-02-04 |
| 12162769 | Silica particles and manufacturing method thereof | Koji Sasaki, Sakae TAKEUCHI, Yuka ZENITANI, Yoshifumi Eri | 2024-12-10 |
| 12077443 | Silica particles and method for producing the same | Yuka ZENITANI, Sakae TAKEUCHI, Koji Sasaki, Yoshifumi Eri | 2024-09-03 |