Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6798566 | Variable optical gain equalizer and variable branching ratio beam splitter | Shohei Abe, Hidenori Nakada, Ikuo Maeda, Hideo Takeshita, Hiroaki Ono +1 more | 2004-09-28 |
| 5867314 | Structure of optical passive device and assembling method therefor | Yuko Ota, Koyu Takahashi, Shigetaka Goto, Terushi Otani | 1999-02-02 |