Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9243145 | Silica composite particles and method of preparing the same | Takeshi Iwanaga, Yuka ZENITANI, Yasunobu KASHIMA, Yoshifumi Iida | 2016-01-26 |
| 8999617 | Electrostatic charge image developing toner, electrostatic charge image developer, toner cartridge, process cartridge, image forming apparatus, and image forming method | Yoshifumi Iida, Takeshi Iwanaga, Yuka ZENITANI, Yasunobu KASHIMA | 2015-04-07 |
| 8779173 | Method of preparing silica composite particles | Hiroyoshi Okuno, Takeshi Iwanaga, Yoshifumi Iida, Yasunobu KASHIMA, Shunsuke NOZAKI | 2014-07-15 |