Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4870463 | Latent electrostatic image developing device and toner cartridge | Kiyotaka Shibata | 1989-09-26 |
| 4822023 | Paper-feeding device | — | 1989-04-18 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4870463 | Latent electrostatic image developing device and toner cartridge | Kiyotaka Shibata | 1989-09-26 |
| 4822023 | Paper-feeding device | — | 1989-04-18 |