Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6184917 | Laser marking method and apparatus and liquid crystal element driving method | Tsuyoshi Okubo, Yukihiko Sugimoto | 2001-02-06 |
| 6052395 | Pulse laser | — | 2000-04-18 |
| 5605641 | Method and apparatus for laser marking a continuously moving workpiece | Koji Yoshida | 1997-02-25 |