Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6061487 | Optical waveguide circuit, optical branched waveguide circuit, and optical modulator | Jiro Toyama, Ichiro Takatsu, Takeshi Yamada, Yasuhiro Kubota | 2000-05-09 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6061487 | Optical waveguide circuit, optical branched waveguide circuit, and optical modulator | Jiro Toyama, Ichiro Takatsu, Takeshi Yamada, Yasuhiro Kubota | 2000-05-09 |