Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11262667 | Magnetic toner | Sho SUMIOKA | 2022-03-01 |
| 9829817 | Developer, image forming apparatus, and image forming method | — | 2017-11-28 |
| 9423713 | Positively chargeable electrostatic latent image developing toner | — | 2016-08-23 |
| 9304426 | Electrostatic latent image developing toner | Yoshio Ozawa, Masami Tsujihiro, Ryotaro Komada | 2016-04-05 |
| 8663885 | Positively chargeable toner | — | 2014-03-04 |
| 7132211 | Method for developing an electrostatic latent image | Hiroko Sugimoto, Takashi Nagai, Seiji Kikushima | 2006-11-07 |
| 6760560 | Developing apparatus and image forming apparatus employing it | Takashi Nagai, Hidekazu Tamura, Seiji Kikushima, Hiroko Higuchi, Hiroaki Moriyama +2 more | 2004-07-06 |
| 5804347 | Electrophotographic toner and contact development method using the toner | Kazushige Inoue, Yukihiro Mori, Etsuro Nakagawa, Hiroko Higuchi | 1998-09-08 |
| 5648192 | Electrophotographic toner | Yoshihisa Kuramae, Kazushige Inoue, Takashi Nagai | 1997-07-15 |
| 5614348 | Toner for non-magnetic one-component development and method for contact type development using the same | Kazushige Inoue, Yoshihisa Kuramae, Takashi Nagai | 1997-03-25 |