Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6829114 | Method of producing member with periodical structure finer than wavelength and optical element formed of the member | — | 2004-12-07 |
| 6677243 | Method of manufacturing optical element | Takeshi Okada, Katsuhiko Takano, Shoji Shiba, Kenichi Iwata, Hiroshi Taniuchi +2 more | 2004-01-13 |