Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4402103 | Cleaning unit for copying machine | Nobuyuki Yanagawa, Yoshiharu Iwanaga | 1983-09-06 |
| 4378416 | Photosensitive member for use in electrophotographic copying process | Nobuyuki Yanagawa, Koichi Hirokawa | 1983-03-29 |