Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4766458 | Developing apparatus for use in image-forming system and developing process employing said developing apparatus | Tateki Oka, Naoki Toyoshi | 1988-08-23 |
| 4745437 | Copier machines | Tateki Oka, Naoki Toyoshi | 1988-05-17 |