| 12197003 |
Optical filter and wavelength tunable laser element |
Takuo HIRATANI, Naoki Fujiwara, Takeshi Fujisawa, Takanori Sato |
2025-01-14 |
| 12019267 |
Multicore optical fiber and design method |
Taiji SAKAMOTO, Kazuhide NAKAJIMA, Takashi Matsui, Kyozo Tsujikawa, Takeshi Fujisawa |
2024-06-25 |
| 10690843 |
Multicore fiber |
Yusuke Sasaki, Katsuhiro Takenaga, Toshio Morioka |
2020-06-23 |
| 10663653 |
Multicore fiber for communication |
Katsuhiro Takenaga, Shoichiro Matsuo, Yusuke Sasaki |
2020-05-26 |
| 10365429 |
Multicore fiber and optical cable |
Shota Saito, Katsuhiro Takenaga, Takeshi Fujisawa |
2019-07-30 |
| 10310176 |
Multi-core fiber |
Yusuke Sasaki, Katsuhiro Takenaga |
2019-06-04 |
| 10215913 |
Multicore fiber |
Yusuke Sasaki, Hitoshi Uemura, Takeshi Fujisawa |
2019-02-26 |
| 10156674 |
Multicore fiber for communication |
Katsuhiro Takenaga, Shoichiro Matsuo, Yusuke Sasaki |
2018-12-18 |
| 10101526 |
Multicore fiber |
Yusuke Sasaki, Katsuhiro Takenaga |
2018-10-16 |
| 10094972 |
Multicore fiber |
Yusuke Sasaki, Hitoshi Uemura, Takeshi Fujisawa |
2018-10-09 |
| 10042114 |
Multicore fiber for communication |
Katsuhiro Takenaga, Shoichiro Matsuo, Yusuke Sasaki |
2018-08-07 |
| 9891377 |
Multicore fiber and optical cable |
Shota Saito, Katsuhiro Takenaga, Takeshi Fujisawa |
2018-02-13 |
| 9817183 |
Multicore fiber |
Yoshimichi Amma, Katsuhiro Takenaga, Yusuke Sasaki |
2017-11-14 |
| 9709729 |
Multicore fiber with different-mode interaction section |
Yusuke Sasaki, Hitoshi Uemura, Katsuhiro Takenaga |
2017-07-18 |
| 9588284 |
Multi-core fiber |
Yusuke Sasaki, Katsuhiro Takenaga, Yoshimichi Amma |
2017-03-07 |
| 9557476 |
Multi-core fiber |
Shoichiro Matsuo, Masanori Koshiba |
2017-01-31 |
| 9543733 |
Photonic bandgap fiber and fiber laser device using same |
Masahiro Kashiwagi |
2017-01-10 |
| 9477035 |
Optical device |
Hitoshi Uemura, Katsuhiro Takenaga |
2016-10-25 |
| 9435943 |
Optical device |
Katsuhiro Takenaga, Hitoshi Uemura |
2016-09-06 |
| 9400351 |
Multi-core fiber |
Katsuhiro Takenage, Yusuke Sasaki, Shioichiro Matsuo |
2016-07-26 |
| 9229157 |
Sold photonic band gap fiber, fiber module using sold photonic band gap fiber, fiber amplifier, and fiber laser |
Shoji Tanigawa, Katsuhiro Takenaga, Masahiro Kashiwagi |
2016-01-05 |
| 9146345 |
High power optical fibers |
Liang Dong |
2015-09-29 |
| 9081129 |
Multi-core fiber |
Shoichiro Matsuo, Masanori Koshiba |
2015-07-14 |
| 9069116 |
Fan-in/fan-out device for multicore fiber |
Hitoshi Uemura, Koji Omichi, Katsuhiro Takenaga |
2015-06-30 |
| 9069118 |
Optical fan-in/fan-out device |
Shoichiro Matsuo, Katsuhiro Takenaga, Masanori Koshiba |
2015-06-30 |
