Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4573798 | Method and apparatus for measuring pattern area percentage for engraving films | Hideo Fujie | 1986-03-04 |
| 4510866 | Apparatus for measuring the area of image portion of image-bearing member | Hidekazu Sekizawa, Akito Iwamoto, Hideo Fujie | 1985-04-16 |