Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6671236 | Light receiving and emitting compound element and optical pick-up device using the same | Haruo Tanaka | 2003-12-30 |
| 6509989 | Module for bidirectional optical communication | — | 2003-01-21 |