Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4870457 | Electrophotographic copying machine with device for eliminating unwanted black areas | Haruyoshi Migita | 1989-09-26 |
| 4868676 | Manual copying apparatus | Hirokazu Matsuura | 1989-09-19 |
| 4851925 | Electronic image transfer device and a film used therein | Kimihito Yamasaki | 1989-07-25 |
| 4803519 | Electrophotographic copying machine with document-winding drum and document table | Atsushi Asada | 1989-02-07 |