Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6480318 | Optical amplifier evaluation method and optical amplifier evaluation instrument | Masaru Fukushima | 2002-11-12 |
| 6476919 | Polarization-independent reflectometry and polarization-independent reflectometer | Kazumasa Takada, Masaharu Horiguchi | 2002-11-05 |