Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6631236 | Photonic crystal waveguide and directional coupler using the same | — | 2003-10-07 |
| 6541951 | Optical measurement of target-light waveform | Masayuki Shirane, Hiroyuki Yokoyama, Hisakazu Kurita | 2003-04-01 |