Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8278594 | Method and apparatus for perforating printed circuit board | Kunio Arai, Hiroyuki Sugawara, Hiroaki Ashizawa | 2012-10-02 |
| 7531767 | Method and apparatus for laser perforating printed circuit board | Kunio Arai, Hiroyuki Sugawara, Hiroaki Ashizawa | 2009-05-12 |