Issued Patents All Time
Showing 25 most recent of 109 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9568688 | Multi-core optical fiber interconnection structure and method for manufacturing multi-core optical fiber interconnection structure | — | 2017-02-14 |
| 9482814 | Multicore optical fiber and optical module | Tetsuya Nakanishi, Tetsuya Hayashi, Takashi Sasaki | 2016-11-01 |
| 9453979 | Multi-core optical fiber tape | Takuji Nagashima, Toshiki Taru | 2016-09-27 |
| 9348090 | Optical coupling element and manufacturing method | Takashi Sasaki, Akira Inoue | 2016-05-24 |
| 9244217 | Bi-directional optical communication method and multi-core optical fiber | Masayuki Shigematsu, Tetsuya Hayashi | 2016-01-26 |
| 9128233 | Multi-core fiber | Toshiki Taru, Takuji Nagashima | 2015-09-08 |
| 8861914 | Optical fiber cable | Tetsuya Hayashi | 2014-10-14 |
| 8805146 | Multicore optical fiber | — | 2014-08-12 |
| 8687931 | Optical fiber | — | 2014-04-01 |
| 8655131 | Multi-core optical fiber | — | 2014-02-18 |
| 8478098 | Optical fiber cable | Tetsuya Hayashi | 2013-07-02 |
| 8447156 | Multi-core optical fiber | — | 2013-05-21 |
| 8417077 | Optical branching device and optical communication system including the same | Osamu SHIMAKAWA, Takuji Nagashima | 2013-04-09 |
| 8346041 | Optical communications system | Kazuya Kuwahara | 2013-01-01 |
| 8337080 | Method for measuring temperature distribution of object, and sensor unit | Osamu Ichikawa | 2012-12-25 |
| 8320724 | Optical communication system and arrangement converter | — | 2012-11-27 |
| 8287184 | Fluid physical quantity measuring method and control method | — | 2012-10-16 |
| 8184937 | Optical cable | Itaru Sakabe, Tomoyuki Hattori | 2012-05-22 |
| 8145024 | Optical communications system | Kazuya Kuwahara | 2012-03-27 |
| 8077299 | Method for measuring polarization characteristics of optical fiber, drawing method, method for identifying abnormal point, and method for configuring optical fiber transmission line | Yoshinori Yamamoto | 2011-12-13 |
| 7997792 | Optical fiber temperature sensor | Yoshinori Yamamoto | 2011-08-16 |
| 7995198 | Optical fiber feature distribution sensor | Yoshinori Yamamoto | 2011-08-09 |
| 7995874 | Optical fiber distribution type sensor and optical fiber distribution type detecting method | Yoshinori Yamamoto | 2011-08-09 |
| 7543982 | Sensor and disturbance measurement method using the same | Yoshinori Yamamoto, Itaru Sakabe, Hisashi Tanji | 2009-06-09 |
| 7534031 | Temperature measuring device and temperature measurement method | Yoshinori Yamamoto, Itaru Sakabe | 2009-05-19 |