Issued Patents 2017
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9695079 | Production method of optical fiber preform, and production method of optical fiber | Tomohiro Gonda, Ryo Miyabe, Ryuichi Sugizaki | 2017-07-04 |
| 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, Yukihiro TSUCHIDA, Koichi Maeda | 2017-06-27 |
| 9541707 | Method for connecting multi-core fiber, multi-core fiber, and method for manufacturing multi-core fiber | Tsunetoshi Saito, Kengo Watanabe | 2017-01-10 |