Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5629132 | Method for engraving and/or etching with image-carrying mask and photo-sensitive laminate film for use in making the mask | Ikuo Suzuki | 1997-05-13 |
| 5592268 | Mechanism to prevent toner leakage from an image forming unit | Mitsuyoshi Uehara, Hideo Yoshihara, Fumio Morita, Hiroshi Igarashi | 1997-01-07 |