Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4400080 | Two-drum type copying machine having improved illumination efficiency | Ryota Ogawa, Yasunori Arai | 1983-08-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4400080 | Two-drum type copying machine having improved illumination efficiency | Ryota Ogawa, Yasunori Arai | 1983-08-23 |