Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5078474 | Exposure apparatus having a magnifying lens system | Masatoshi Marui, Yuji Matsui, Tazuko Ishizuka | 1992-01-07 |
| 5062692 | Exposure apparatus | Masatoshi Marui, Yuji Matsui, Tazuko Ishizuka | 1991-11-05 |
| 5026145 | Exposure apparatus | Masatoshi Marui, Vuji Matsui, Tazuko Ishizuka | 1991-06-25 |