Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6994480 | Optical link module | Kazushige Oki, Hiromi Kurashima, Eiji Tsumura | 2006-02-07 |
| 6755577 | Optical module | Kazushige Oki, Hiromi Kurashima, Eiji Tsumura | 2004-06-29 |
| 6652160 | Transmission optical module | Eiji Tsumura | 2003-11-25 |
| 6600611 | Optical module | Eiji Tsumura, Hiromi Kurashima, Kazushige Oki | 2003-07-29 |