Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5668893 | Method for determining orientation of contour line segment in local area and for determining straight line and corner | Shinji Kanda, Tsugito Maruyama, Toshihiko Morita | 1997-09-16 |