Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6077310 | Optical proximity correction system | Kazuko Yamamoto, Kiyomi Koyama, Soichi Inoue | 2000-06-20 |
| 5879844 | Optical proximity correction method | Kazuko Yamamoto, Kiyomi Koyama, Soichi Inoue | 1999-03-09 |