Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7687922 | Element mounting structure and element mounting method | — | 2010-03-30 |
| 6055082 | Optical transmission system | — | 2000-04-25 |
| 6055093 | Optical amplifying apparatus and linear relay optical amplifier transmitter | Tsutomu Tajima | 2000-04-25 |
| 5995276 | Wavelength-division-multiplexing optical amplifier device and wavelength-division-multiplexing optical transmission system | Tsutomu Tajima | 1999-11-30 |