Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9835965 | Charge control agent and toner using same | Masaki Okubo, Ikuo Kimura, Masami Ito, Takeshi Yamamoto, Masaya Tojo +2 more | 2017-12-05 |
| 9703223 | Toner, developer, and toner cartridge | Masaki Okubo, Masami Ito, Masaya Tojo, Masafumi Asakai, Tetsuya Yoshida | 2017-07-11 |