Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6614511 | Light wavelength dispersion measuring apparatus and light wavelength dispersion measuring method | Yoshiyuki Sakairi | 2003-09-02 |
| 6512610 | Device and method for testing of multi-branch optical network | Nobuaki Takeuchi, Keiichi Shimizu, Koichi Shinozaki, Takamu Genji | 2003-01-28 |