Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5617234 | Multiwavelength simultaneous monitoring circuit employing arrayed-waveguide grating | Masafumi Koga, Mitsuhiro Teshima, Hitoshi Obara | 1997-04-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5617234 | Multiwavelength simultaneous monitoring circuit employing arrayed-waveguide grating | Masafumi Koga, Mitsuhiro Teshima, Hitoshi Obara | 1997-04-01 |