Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6798524 | Phase difference calculation method, device, and system using optical fiber ring interference sensor | Shin-ichi Nikaido, Takeshi Togura, Shin-ichi Niimi | 2004-09-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6798524 | Phase difference calculation method, device, and system using optical fiber ring interference sensor | Shin-ichi Nikaido, Takeshi Togura, Shin-ichi Niimi | 2004-09-28 |