Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6456762 | Method of fabricating optical waveguide device | Shigeki Ogura | 2002-09-24 |
| 6442312 | Optical filter fabrication method and apparatus, optical filter, fiber holder with spiral groove, and phase mask | Yoshitaka Terao, Tsutomu Nomoto | 2002-08-27 |