Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6914715 | Optical element | Shigeo Kittaka, Kazuaki Oya, Keiji Tsunetomo, Masatoshi Nara | 2005-07-05 |
| 6909557 | Optical coupling system and optical device using the same | Shigeo Kittaka, Hideshi Nagata, Yasuji Sasaki, Minoru Taniyama | 2005-06-21 |