Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6816235 | Optical glass and projection exposure apparatus using the same | Masahiko Sugisaki, Shizuo Matsumaru | 2004-11-09 |
| 6811333 | Thermal development apparatus | Makoto Sumi, Mamoru Umeki | 2004-11-02 |