Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6501876 | Bidirectional optical communication device and bidirectional optical communication apparatus | Kuniaki Okada, Toshiyuki Matsushima, Hideaki Fujita, Yukio Kurata | 2002-12-31 |