Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5140646 | Pattern detector for detecting a reference mark or marks formed on a printed circuit board | — | 1992-08-18 |
| 5103412 | Width measuring device | Akira Kobayashi | 1992-04-07 |