Issued Patents 2002
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6496614 | Light multiplexing wave division device | — | 2002-12-17 |
| 6496613 | Wavelength router | — | 2002-12-17 |
| 6493481 | Optical switch unit | Takayuki Kakinuma, Haruo Mori | 2002-12-10 |
| 6470112 | Lightwave system | — | 2002-10-22 |
| 6456764 | Optical directional coupler | — | 2002-09-24 |
| 6427037 | Two-stage optical switch circuit network | — | 2002-07-30 |
| 6374018 | Optical switch, method of operating optical switch, and method of designing optical switch | — | 2002-04-16 |