Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6621924 | Contour extraction apparatus, a method thereof, and a program recording medium | Takahiro Ishii, Takashi Totsuka | 2003-09-16 |
| 6535213 | Curve edition system, curve-loop detecting system, curve-loop removing system | Makoto Kawamura, Takashi Totsuka | 2003-03-18 |