Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4342282 | Toner cartridge | Toshio Kumakura | 1982-08-03 |
| 4309498 | Electrophotography using a magnetic brush | Ryuji Goto, Masumi Asanae | 1982-01-05 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4342282 | Toner cartridge | Toshio Kumakura | 1982-08-03 |
| 4309498 | Electrophotography using a magnetic brush | Ryuji Goto, Masumi Asanae | 1982-01-05 |