Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6181449 | Wavelength division multiplexed optical processing device and optical communication transmission path | Hidenori Taga, Masatoshi Suzuki, Shu Yamamoto, Shigeyuki Akiba | 2001-01-30 |