Issued Patents 2019
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10474050 | Toner and charge control agent using pyrazolone derivative or salt of derivative | Jun Watanabe, Hideyuki Otsuka | 2019-11-12 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10474050 | Toner and charge control agent using pyrazolone derivative or salt of derivative | Jun Watanabe, Hideyuki Otsuka | 2019-11-12 |