Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9722388 | Multi-core optical amplifying fiber device and multi-core optical fiber amplifier | Masateru Tadakuma, Koichi Maeda, Shigehiro Takasaka, Ryuichi Sugizaki | 2017-08-01 |
| 9692201 | Optical-fiber-bundle structure, rare-earth-doped multi-core fiber, connection structure therefor, method for exciting rare-earth-doped multi-core fibers, and multi-core-optical-fiber amplifier | Kengo Watanabe, Tsunetoshi Saito, Koichi Maeda, Katsunori Imamura | 2017-06-27 |