Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7609438 | Optical amplifier | — | 2009-10-27 |
| 7561325 | Optical module | — | 2009-07-14 |
| 7532391 | Optical amplification module and laser light source designed to suppress photodarkening | Motoki Kakui | 2009-05-12 |