Issued Patents 2016
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9475722 | Optical fiber producing method and apparatus and optical fiber | Tadashi Enomoto, Iwao Okazaki, Takashi Yamazaki, Masatoshi Hayakawa, Norihiro Uenoyama +1 more | 2016-10-25 |
| 9372311 | Wavelength selective switch | Hidehisa Tazawa, Kenichiro Takahashi, Takafumi Ohtsuka, Masaki Suzuki | 2016-06-21 |
| 9274348 | Dispersive device having beam expanding optical system and dispersive element and wavelength selective switch having dispersive device | Hidehisa Tazawa | 2016-03-01 |