Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4864349 | Developing apparatus | — | 1989-09-05 |
| 4831418 | Exposure control device of copying machine | Kaoru Hashimoto | 1989-05-16 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4864349 | Developing apparatus | — | 1989-09-05 |
| 4831418 | Exposure control device of copying machine | Kaoru Hashimoto | 1989-05-16 |