Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4977053 | Magnetic-shell-coated toner | Katsuaki Kida, Katsukiyo Ishikawa, Takao Saito, Kouichi Nagata | 1990-12-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4977053 | Magnetic-shell-coated toner | Katsuaki Kida, Katsukiyo Ishikawa, Takao Saito, Kouichi Nagata | 1990-12-11 |