Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6467426 | Photomask correction device | Kazuo Aita | 2002-10-22 |
| 6335530 | Objective lens for scanning electron microscope | Akira Yonezawa | 2002-01-01 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6467426 | Photomask correction device | Kazuo Aita | 2002-10-22 |
| 6335530 | Objective lens for scanning electron microscope | Akira Yonezawa | 2002-01-01 |