Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6584240 | Optical modulator having ridge and associated structure on substrate | Masaharu Doi, Shinji Taniguchi, Masaki Sugiyama | 2003-06-24 |
| 6580843 | Optical device | Masaharu Doi, Shinji Taniguchi, Masaaki Norimatsu | 2003-06-17 |