Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6665239 | Optical information recording and reproducing apparatus | Koichi Kudou, Nobuaki Toyoshima | 2003-12-16 |
| 6643439 | Photonic crystal waveguide | Masaya Notomi, Koji Yamada, Akihiko Shinya, Chiharu Takahashi, Itaru Yokohama | 2003-11-04 |
| 6605896 | Low pressure mercury vapor discharge lamp and manufacturing method therefor | Takeshi Matsumura, Masao Yukawa | 2003-08-12 |