Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7231118 | Multichannel array waveguide diffraction grating multiplexer/demultiplexer and method of connecting array waveguide and output waveguide | Yutaka Natsume | 2007-06-12 |
| 7031569 | Optical multi-demultiplexer | Junji Yamauchi, Michiya Masuda, Hisamatsu Nakano, Yuichi Yamamoto | 2006-04-18 |
| 6898349 | Optical multi-demultiplexer | Junji Yamauchi, Michiya Masuda, Shigeru Kawaguchi, Hisamatsu Nakano, Yuichi Yamamoto | 2005-05-24 |