Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7046881 | Manufacturing method for optical coupler/splitter and method for adjusting optical characteristics of planar lightwave circuit device | Ken Sakuma, Shimon Ishikawa, Hirokuni Ogawa, Hideyuki Hosoya, Akira Wada | 2006-05-16 |