Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10725392 | Electrostatic charge image developing toner | Kumiko Kameya, Tomoko Nakagawa, Masaya Ota, Tetsuharu Yuge | 2020-07-28 |
| 10551755 | Electrostatic charge image developing toner | Masaya Ota, Tomoko Nakagawa, Masaaki Okamoto | 2020-02-04 |