Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6449097 | Diffraction grating for wavelength division multiplexing/demultiplexing devices | Ninghui Zhu, Ian Turner, Yuri A. Yudin, Robert K. Wade | 2002-09-10 |
| 6434299 | Wavelength division multiplexing/demultiplexing devices having concave diffraction gratings | Yuri A. Yudin, Robert K. Wade | 2002-08-13 |