Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6442312 | Optical filter fabrication method and apparatus, optical filter, fiber holder with spiral groove, and phase mask | Tsutomu Nomoto, Akihiko Nishiki | 2002-08-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6442312 | Optical filter fabrication method and apparatus, optical filter, fiber holder with spiral groove, and phase mask | Tsutomu Nomoto, Akihiko Nishiki | 2002-08-27 |