Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12168625 | Method for manufacturing optical fiber | — | 2024-12-17 |
| 11834364 | Contactless direction converter and method for manufacturing optical fiber | — | 2023-12-05 |
| 11306018 | Optical fiber manufacturing method | — | 2022-04-19 |
| 11306025 | Manufacturing method of optical fiber | — | 2022-04-19 |
| 10073217 | Multicore optical fiber and method for manufacturing multicore optical fiber | Shoichiro Matsuo | 2018-09-11 |
| 9733424 | Multicore fiber and method of manufacturing the same | Shoichiro Matsuo | 2017-08-15 |
| 9586852 | Method of manufacturing preform for multicore fiber and method of manufacturing multicore fiber | Shoichiro Matsuo | 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, Shoichiro Matsuo, Toshio Kurashima, Kazuhide NAKAJIMA, Tomoya Shimizu +2 more | 2017-02-07 |
| 9529144 | Multicore fiber | Shoichiro Matsuo | 2016-12-27 |
| 9529146 | Multicore fiber and method of manufacture of the same | Shoichiro Matsuo | 2016-12-27 |
| 9470840 | Multicore fiber | Shoichiro Matsuo | 2016-10-18 |
| 9405060 | Optical fiber cable | — | 2016-08-02 |
| 9291768 | Multicore fiber | Shoichiro Matsuo | 2016-03-22 |
| 9252872 | Crosstalk measuring method and crosstalk measuring device | Hiroki Hamaguchi, Shoichiro Matsuo, Yukihiro Goto, Kazuhide NAKAJIMA | 2016-02-02 |
| 9221711 | Process for producing optical fiber and processing apparatus for optical fiber work used for the same | Hiroki Hamaguchi, Shunichirou Hirafune | 2015-12-29 |
| 9223083 | Multicore fiber | Shoichiro Matsuo | 2015-12-29 |
| 9175946 | Measuring method of hole diameter, hole position, hole surface roughness, or bending loss of holey optical fiber, manufacturing method of holey optical fiber, and test method of optical line of holey optical fiber | Shoji Tanigawa, Shoichiro Matsuo, Toshio Kurashima, Kazuhide NAKAJIMA, Tomoya Shimizu +2 more | 2015-11-03 |
| 8705021 | Inspecting device, inspecting method, and method for manufacturing optical fiber | Hiroki Hamaguchi | 2014-04-22 |