Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6842255 | Interferometer and interferance measurement method | Yumiko Ohsaki, Akiyoshi Suzuki | 2005-01-11 |
| 6839890 | Mask manufacturing method | Mitsuro Sugita, Kenji Yamazoe | 2005-01-04 |