Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10739691 | Electrostatic image developing toner and developer | Takanari Kayamori, Masaharu Matsubara, Naoya Tonegawa | 2020-08-11 |
| 10146147 | Magenta toner for electrostatic charge image development | Takanari Kayamori, Masaharu Matsubara, Naoya Tonegawa, Kouji Izawa | 2018-12-04 |
| 10061219 | Electrostatic charge image developing white toner, manufacturing method thereof, image forming apparatus, and image forming method | Takanari Kayamori, Masaharu Matsubara, Naoya Tonegawa, Kouji Izawa | 2018-08-28 |
| 10031433 | Electrostatic charge image developing toner | Takanari Kayamori, Naoya Tonegawa, Masaharu Matsubara, Kouji Sekiguchi | 2018-07-24 |
| 9971266 | Method of producing toner for developing electrostatic images | Naoya Tonegawa, Takanari Kayamori, Masaharu Matsubara, Kouji Sekiguchi | 2018-05-15 |
| 9933720 | Electrostatic image developing toner | Takanari Kayamori, Masaharu Matsubara, Naoya Tonegawa, Kouji Sekiguchi | 2018-04-03 |
| 9921506 | Electrophotographic image forming method and full color toner set for developing electrostatic image | Shiro Hirano, Naoya Tonegawa, Masaharu Matsubara, Kouji Sekiguchi | 2018-03-20 |