Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6501104 | High speed semiconductor photodetector | — | 2002-12-31 |
| 6489177 | Modulator-integrated semiconductor laser and method of fabricating the same | — | 2002-12-03 |
| 6391671 | Method of producing an optical semiconductor device having a waveguide layer buried in an InP current blocking layer | Yasutaka Sakata | 2002-05-21 |