Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4826726 | Heat-resistant wire | Ryutaro Fujihira, Yoshihiro Moteki, Naotoshi Watanabe, Yuichi Sakon | 1989-05-02 |
| 4803510 | Copying machine having removable process unit in a housing | — | 1989-02-07 |