Issued Patents 2018
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10031433 | Electrostatic charge image developing toner | Atsushi Iioka, Takanari Kayamori, Naoya Tonegawa, Masaharu Matsubara | 2018-07-24 |
| 9971266 | Method of producing toner for developing electrostatic images | Naoya Tonegawa, Takanari Kayamori, Masaharu Matsubara, Atsushi Iioka | 2018-05-15 |
| 9933720 | Electrostatic image developing toner | Takanari Kayamori, Masaharu Matsubara, Naoya Tonegawa, Atsushi Iioka | 2018-04-03 |
| 9921506 | Electrophotographic image forming method and full color toner set for developing electrostatic image | Shiro Hirano, Naoya Tonegawa, Masaharu Matsubara, Atsushi Iioka | 2018-03-20 |