Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6442324 | Optical attenuator and optical attenuator module | Daikou Tei, Naoyuki Mekada | 2002-08-27 |
| 6292616 | Optical attenuator and optical attenuator module | Daikou Tei, Naoyuki Mekada | 2001-09-18 |