Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8111955 | Optical chip for arrayed waveguide grating type optical multiplexer/demultiplexer circuit, waveguide substrate, and method for fabricating optical chip for arrayed waveguide grating type optical multiplexer/demultiplexer circuit | Shuji Kuwano, Yuji Moriya | 2012-02-07 |