Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11820695 | Manufacturing method for preform of multi-core fiber and manufacturing method for multi-core fiber | Kimiaki Sato, Kazuo Kaneko, Akira Kawai | 2023-11-21 |
| 11314015 | Multi-core optical fiber | Tetsuya Hayashi | 2022-04-26 |
| 11130702 | Optical fiber manufacturing method | Tetsuya Nakanishi | 2021-09-28 |
| 11059737 | Method for manufacturing multicore optical fiber | Tetsuya Nakanishi | 2021-07-13 |
| 10830966 | Optical connector manufacturing method | Naoki Matsushita, Tetsu MORISHIMA | 2020-11-10 |
| 10775541 | Optical-fiber output beam profile measurement method and optical-fiber output beam profile measurement apparatus | Tetsuya Hayashi | 2020-09-15 |
| 10662106 | Production method for multicore optical fiber | Tetsuya Nakanishi | 2020-05-26 |
| 10590024 | Production method for multicore optical fiber | Tetsuya Nakanishi | 2020-03-17 |
| 10520668 | Method for producing multicore optical fiber and multicore optical fiber | Tetsuya Hayashi, Tetsuya Nakanishi | 2019-12-31 |
| 9891376 | Optical fiber | Tetsuya Hayashi, Tetsuya Nakanishi, Takashi Sasaki | 2018-02-13 |
| 9453979 | Multi-core optical fiber tape | Toshiki Taru, Eisuke Sasaoka | 2016-09-27 |
| 9128233 | Multi-core fiber | Toshiki Taru, Eisuke Sasaoka | 2015-09-08 |
| 8655132 | Multi-core optical fiber | Toshiki Taru, Takashi Sasaki, Tetsuya Nakanishi | 2014-02-18 |
| 8433166 | Multi-core optical fibre | Toshiki Taru, Takashi Sasaki | 2013-04-30 |
| 8417077 | Optical branching device and optical communication system including the same | Eisuke Sasaoka, Osamu SHIMAKAWA | 2013-04-09 |