Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4796053 | Magnification converting mechanism for a variable magnification copying apparatus | Hiroshi Nakamura, Tatsushi Hayashi, Ken-ichi Iwamoto, Kenji Okada, Shoichiro Yoshiura | 1989-01-03 |