Issued Patents 2017
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9733424 | Multicore fiber and method of manufacturing the same | Itaru Ishida | 2017-08-15 |
| 9698557 | Optical fiber for amplification and optical fiber amplifier using the same | Tsukasa Hosokawa, Kentaro Ichii, Katsuhiro Takenaga, Hirotaka Ono, Makoto Yamada | 2017-07-04 |
| 9673589 | Amplification optical fiber and optical fiber amplifier | Tsukasa Hosokawa, Kentaro Ichii, Katsuhiro Takenaga, Hirotaka Ono, Makoto Yamada | 2017-06-06 |
| 9586852 | Method of manufacturing preform for multicore fiber and method of manufacturing multicore fiber | Itaru Ishida | 2017-03-07 |
| 9562827 | Measuring method of longitudinal distribution of bending loss of optical fiber, measuring method of longitudinal distribution of actual bending loss value of optical fiber, test method of optical line, manufacturing method of optical fiber cable, manufacturing method of optical fiber cord, and manufacturing method of optical fiber | Shoji Tanigawa, Itaru Ishida, Toshio Kurashima, Kazuhide NAKAJIMA, Tomoya Shimizu +2 more | 2017-02-07 |
| 9557476 | Multi-core fiber | Kunimasa Saitoh, Masanori Koshiba | 2017-01-31 |