Issued Patents 2005
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6839174 | Relief type diffraction optical element, optical system comprising the same and mold for manufacturing the same | Hisashi Ohde | 2005-01-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6839174 | Relief type diffraction optical element, optical system comprising the same and mold for manufacturing the same | Hisashi Ohde | 2005-01-04 |