Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6466714 | Method of producing phase mask for fabricating optical fiber and optical fiber with bragg's diffraction grating produced by using the phase mask | Toshikazu Segawa, Tetsuro Komukai, Masataka Nakazawa | 2002-10-15 |