Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7203411 | Thermoopic type variable optical attenuator and array type variable optical attentuator using this | Xiaoqing Jiang, Minghua Wang, Guanming Lai | 2007-04-10 |
| 6751374 | Light-signal delaying device | Dong Xia | 2004-06-15 |
| 6280099 | Optical fiber wavelength filter and manufacturing method for the same | — | 2001-08-28 |
| 6113284 | Optical fiber light source assembly and manufacturing method for the same | Mitsuo Takahashi | 2000-09-05 |
| 5859940 | Optical device and bidirectional communications system | Mitsuo Takahashi | 1999-01-12 |
| 5675683 | Optical coupler constructed using optical fiber ferrules | Mitsuo Takahashi, Kunio Yamada | 1997-10-07 |
| 5631992 | Optical fiber LED assembly | Mitsuo Takahashi, Tomoyuki Mamiya | 1997-05-20 |