Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5063133 | Electrophotographic developing system comprising toner having specific particle size distribution | Tsutomu Kubo, Kazuo Terao, Takashi Yamamuro, Masashi Kajimoto | 1991-11-05 |