Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6947638 | Optical multiplexer/demultiplexer and manufacturing method thereof and optical multiplexing/demultiplexing module | — | 2005-09-20 |
| 6920267 | Optical coupling device and manufacturing method thereof | Eiji Shinohara | 2005-07-19 |