Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4796052 | Electrophotographic copying machine having an editorial function | Kenhachi Shiraki, Michihiko Hasegawa, Yujiro Koumoto, Yoshihiro Tanimoto, Masayuki Tanaka +2 more | 1989-01-03 |