loadpatents
Patent applications and USPTO patent grants for Takenaga; Katsuhiro.The latest application filed is for "method for aligning multicore fiber, method for manufacturing multicore fiber connector, device for aligning multicore fiber, and multicore fiber fusion splicing machine".
Patent | Date |
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Method For Aligning Multicore Fiber, Method For Manufacturing Multicore Fiber Connector, Device For Aligning Multicore Fiber, And Multicore Fiber Fusion Splicing Machine App 20220291452 - Ohzeki; Masaki ;   et al. | 2022-09-15 |
Optical Fiber Preform Production Method, Optical Fiber Preform, And Optical Fiber Production Method App 20200369555 - Amma; Yoshimichi ;   et al. | 2020-11-26 |
Optical Fiber Drawing Furnace Heating Element, Optical Fiber Drawing Furnace, And Method For Manufacturing Optical Fiber App 20200308043 - Kitamura; Takayuki ;   et al. | 2020-10-01 |
Multicore fiber Grant 10,690,843 - Sasaki , et al. | 2020-06-23 |
Multicore fiber for communication Grant 10,663,653 - Takenaga , et al. | 2020-05-26 |
Optical fiber Grant 10,656,327 - Saito , et al. | 2020-05-19 |
Characteristic-measuring apparatus and characteristic-measuring method for multi-core fiber Grant 10,488,297 - Saito , et al. Nov | 2019-11-26 |
Method of measuring crosstalk of multicore fiber and apparatus of measuring the same Grant 10,444,113 - Saito , et al. Oc | 2019-10-15 |
Multicore fiber and optical cable Grant 10,365,429 - Saito , et al. July 30, 2 | 2019-07-30 |
Multi-core fiber Grant 10,310,176 - Sasaki , et al. | 2019-06-04 |
Multicore fiber Grant 10,295,736 - Amma , et al. | 2019-05-21 |
Multicore Fiber For Communication App 20190072712 - Takenaga; Katsuhiro ;   et al. | 2019-03-07 |
Optical Fiber App 20190049658 - Saito; Shota ;   et al. | 2019-02-14 |
Optical Device App 20190033512 - Uemura; Hitoshi ;   et al. | 2019-01-31 |
Multicore Fiber App 20190033513 - Sasaki; Yusuke ;   et al. | 2019-01-31 |
Optical transmission device and bidirectional optical transmission device Grant 10,162,136 - Goi , et al. Dec | 2018-12-25 |
Multicore fiber for communication Grant 10,156,674 - Takenaga , et al. Dec | 2018-12-18 |
Multicore Fiber App 20180356590 - Amma; Yoshimichi ;   et al. | 2018-12-13 |
Multicore fiber Grant 10,101,526 - Sasaki , et al. October 16, 2 | 2018-10-16 |
Method Of Measuring Crosstalk Of Multicore Fiber And Apparatus Of Measuring The Same App 20180246007 - Saito; Shota ;   et al. | 2018-08-30 |
Multicore Fiber And Optical Cable App 20180246275 - Saito; Shota ;   et al. | 2018-08-30 |
Characteristic-measuring Apparatus And Characteristic-measuring Method For Multi-core Fiber App 20180246008 - Saito; Shota ;   et al. | 2018-08-30 |
Optical Transmission Device And Bidirectional Optical Transmission Device App 20180224613 - Goi; Kazuhiro ;   et al. | 2018-08-09 |
Multicore fiber for communication Grant 10,042,114 - Takenaga , et al. August 7, 2 | 2018-08-07 |
Multi-core Fiber App 20180120502 - Sasaki; Yusuke ;   et al. | 2018-05-03 |
Multicore Fiber App 20180120501 - Sasaki; Yusuke ;   et al. | 2018-05-03 |
Multicore fiber and optical cable Grant 9,891,377 - Saito , et al. February 13, 2 | 2018-02-13 |
Multicore fiber Grant 9,817,183 - Amma , et al. November 14, 2 | 2017-11-14 |
Multicore Fiber App 20170235043 - Amma; Yoshimichi ;   et al. | 2017-08-17 |
Multicore fiber with different-mode interaction section Grant 9,709,729 - Sasaki , et al. July 18, 2 | 2017-07-18 |
Multicore Fiber And Optical Cable App 20170199325 - SAITO; Shota ;   et al. | 2017-07-13 |
Optical fiber for amplification and optical fiber amplifier using the same Grant 9,698,557 - Hosokawa , et al. July 4, 2 | 2017-07-04 |
Amplification optical fiber and optical fiber amplifier Grant 9,673,589 - Hosokawa , et al. June 6, 2 | 2017-06-06 |
Multi-core fiber Grant 9,588,284 - Sasaki , et al. March 7, 2 | 2017-03-07 |
Amplification Optical Fiber And Optical Fiber Amplifier App 20170054266 - Hosokawa; Tsukasa ;   et al. | 2017-02-23 |
Amplifying optical fiber and optical amplifier Grant 9,515,450 - Matsuo , et al. December 6, 2 | 2016-12-06 |
Optical device Grant 9,477,035 - Uemura , et al. October 25, 2 | 2016-10-25 |
Optical Fiber For Amplification And Optical Fiber Amplifier Using The Same App 20160268757 - Hosokawa; Tsukasa ;   et al. | 2016-09-15 |
Optical device Grant 9,435,943 - Takenaga , et al. September 6, 2 | 2016-09-06 |
Multicore Fiber For Communication App 20160245993 - Takenaga; Katsuhiro ;   et al. | 2016-08-25 |
Optical Device App 20160245992 - Takenaga; Katsuhiro ;   et al. | 2016-08-25 |
Multicore Fiber For Communication App 20160245994 - Takenaga; Katsuhiro ;   et al. | 2016-08-25 |
Multi-core Fiber App 20160187576 - Sasaki; Yusuke ;   et al. | 2016-06-30 |
Multicore Fiber App 20160187577 - Sasaki; Yusuke ;   et al. | 2016-06-30 |
Method of producing preform for coupled multi-core fiber, method of producing coupled multi-core fiber, and coupled multi-core fiber Grant 9,366,807 - Tanigawa , et al. June 14, 2 | 2016-06-14 |
Amplifying optical fiber and optical amplifier Grant 9,252,556 - Matsuo , et al. February 2, 2 | 2016-02-02 |
Multi-core Fiber App 20160004009 - Takenaga; Katsuhiro ;   et al. | 2016-01-07 |
Sold photonic band gap fiber, fiber module using sold photonic band gap fiber, fiber amplifier, and fiber laser Grant 9,229,157 - Tanigawa , et al. January 5, 2 | 2016-01-05 |
Method of connecting multi-core fibers Grant 9,199,411 - Arakawa , et al. December 1, 2 | 2015-12-01 |
Amplifying Optical Fiber And Optical Amplifier App 20150318661 - Matsuo; Shoichiro ;   et al. | 2015-11-05 |
Amplifying Optical Fiber And Optical Amplifier App 20150318659 - Matsuo; Shoichiro ;   et al. | 2015-11-05 |
Optical fiber having holes Grant 9,121,995 - Tanigawa , et al. September 1, 2 | 2015-09-01 |
Optical Device App 20150234120 - Uemura; Hitoshi ;   et al. | 2015-08-20 |
Multi-core fiber, and multi-core fiber connection method using the same Grant 9,086,519 - Arakawa , et al. July 21, 2 | 2015-07-21 |
Optical fan-in/fan-out device Grant 9,069,118 - Matsuo , et al. June 30, 2 | 2015-06-30 |
Fan-in/fan-out device for multicore fiber Grant 9,069,116 - Uemura , et al. June 30, 2 | 2015-06-30 |
Method Of Producing Preform For Coupled Multi-core Fiber, Method Of Producing Coupled Multi-core Fiber, And Coupled Multi-core Fiber App 20150139600 - Tanigawa; Shoji ;   et al. | 2015-05-21 |
Multicore fiber Grant 9,008,479 - Tanigawa , et al. April 14, 2 | 2015-04-14 |
Multicore fiber Grant 8,971,685 - Matsuo , et al. March 3, 2 | 2015-03-03 |
Method of producing preform for coupled multi-core fiber, method of producing coupled multi-core fiber, and coupled multi-core fiber Grant 8,971,684 - Tanigawa , et al. March 3, 2 | 2015-03-03 |
Multicore fiber Grant 8,965,165 - Sasaki , et al. February 24, 2 | 2015-02-24 |
Fan-in/fan-out Device For Multicore Fiber App 20140369659 - UEMURA; Hitoshi ;   et al. | 2014-12-18 |
Multicore Fiber For Communication App 20140178024 - Takenaga; Katsuhiro ;   et al. | 2014-06-26 |
Coupled multicore fiber Grant 8,750,663 - Tanigawa , et al. June 10, 2 | 2014-06-10 |
Optical fiber communication system Grant 8,718,468 - Takenaga , et al. May 6, 2 | 2014-05-06 |
Multi-cladding optical fiber, optical fiber module, fiber laser, and fiber amplifier Grant 8,660,396 - Tanigawa , et al. February 25, 2 | 2014-02-25 |
Optical Fan-in/fan-out Device App 20140010508 - Matsuo; Shoichiro ;   et al. | 2014-01-09 |
Multicore Fiber App 20140010507 - Sasaki; Yusuke ;   et al. | 2014-01-09 |
Multi-core Fiber, And Multi-core Fiber Connection Method Using The Same App 20140003779 - Arakawa; Yoko ;   et al. | 2014-01-02 |
Method Of Connecting Multi-core Fibers App 20130312899 - Arakawa; Yoko ;   et al. | 2013-11-28 |
Multicore Fiber App 20130308913 - Tanigawa; Shoji ;   et al. | 2013-11-21 |
Multicore Fiber App 20130243384 - Matsuo; Shoichiro ;   et al. | 2013-09-19 |
Fiber fuse terminator with optical fiber with a core and a cladding having longitudinal holes therein Grant 8,526,775 - Takenaga September 3, 2 | 2013-09-03 |
Sold Photonic Band Gap Fiber, Fiber Module Using Sold Photonic Band Gap Fiber, Fiber Amplifier, And Fiber Laser App 20130209046 - TANIGAWA; Shoji ;   et al. | 2013-08-15 |
Fiber laser device Grant 8,391,323 - Takenaga March 5, 2 | 2013-03-05 |
Method of manufacturing photonic band gap fiber base material and fiber Grant 8,381,548 - Takenaga February 26, 2 | 2013-02-26 |
Coupled Multicore Fiber App 20130044988 - Tanigawa; Shoji ;   et al. | 2013-02-21 |
Method Of Producing Preform For Coupled Multi-core Fiber, Method Of Producing Coupled Multi-core Fiber, And Coupled Multi-core Fiber App 20130044989 - Tanigawa; Shoji ;   et al. | 2013-02-21 |
Fiber Fuse Terminator App 20130010817 - TAKENAGA; Katsuhiro | 2013-01-10 |
Optical Fiber App 20120288247 - TANIGAWA; Shoji ;   et al. | 2012-11-15 |
Multicore fiber Grant 8,285,094 - Takenaga , et al. October 9, 2 | 2012-10-09 |
Fiber fuse terminator Grant 8,244,091 - Takenaga August 14, 2 | 2012-08-14 |
Multicore Fiber App 20120195563 - Takenaga; Katsuhiro ;   et al. | 2012-08-02 |
Optical Fiber Communication System App 20120163801 - Takenaga; Katsuhiro ;   et al. | 2012-06-28 |
Method Of Manufacturing Photonic Band Gap Fiber Base Material And Method Of Manufacturing Photonic Band Gap Fiber App 20120151968 - Takenaga; Katsuhiro | 2012-06-21 |
Holey Single-mode Optical Fiber And Optical Transmission System Using Same App 20120033923 - TAKENAGA; Katsuhiro ;   et al. | 2012-02-09 |
Multi-cladding Optical Fiber, Optical Fiber Module, Fiber Laser, And Fiber Amplifier App 20110305251 - TANIGAWA; Shoji ;   et al. | 2011-12-15 |
Fiber Laser Device App 20110286474 - Takenaga; Katsuhiro | 2011-11-24 |
Extended triangular lattice type photonic bandgap fiber Grant 7,831,121 - Guan , et al. November 9, 2 | 2010-11-09 |
Method for measuring a differential mode delay of a multimode optical fiber Grant 7,817,257 - Takenaga , et al. October 19, 2 | 2010-10-19 |
Photonic Bandgap Fiber App 20100254669 - TAKENAGA; Katsuhiro ;   et al. | 2010-10-07 |
Fiber Fuse Terminator, Fiber Laser, And Optical Transmission Line App 20100177792 - TAKENAGA; Katsuhiro | 2010-07-15 |
Photonic band gap fiber and method of producing the same Grant 7,593,611 - Guan , et al. September 22, 2 | 2009-09-22 |
Extended Triangular Lattice Type Photonic Bandgap Fiber App 20090208176 - GUAN; Ning ;   et al. | 2009-08-20 |
Extended triangular lattice type photonic bandgap fiber Grant 7,551,824 - Guan , et al. June 23, 2 | 2009-06-23 |
Photonic Band Gap Fiber And Method Of Producing The Same App 20080247721 - GUAN; Ning ;   et al. | 2008-10-09 |
Graded-index multimode fiber and manufacturing method therefor Grant 7,406,235 - Guan , et al. July 29, 2 | 2008-07-29 |
Photonic Band Gap Fiber And Method Of Producing The Same App 20080170830 - Guan; Ning ;   et al. | 2008-07-17 |
Hole-assisted holey fiber and low bending loss multimode holey fiber Grant 7,292,762 - Guan , et al. November 6, 2 | 2007-11-06 |
Extended Triangular Lattice Type Photonic Bandgap Fiber App 20070230885 - GUAN; Ning ;   et al. | 2007-10-04 |
Method for measuring multimode optical fiber App 20070159620 - Takenaga; Katsuhiro | 2007-07-12 |
Wavelength division multiplexing system Grant 7,242,870 - Guan , et al. July 10, 2 | 2007-07-10 |
Method for compensating modal dispersion in multimode optical fiber transmission path Grant 7,139,457 - Guan , et al. November 21, 2 | 2006-11-21 |
Graded-index multimode fiber and manufacturing method therefor Grant 7,043,126 - Guan , et al. May 9, 2 | 2006-05-09 |
Method for compensating modal dispersion in multimode optical fiber transmission path App 20060034573 - Guan; Ning ;   et al. | 2006-02-16 |
Hole-assisted holey fiber and low bending loss multimode holey fiber App 20060034574 - Guan; Ning ;   et al. | 2006-02-16 |
Wavelength division multiplexing system App 20050157995 - Guan, Ning ;   et al. | 2005-07-21 |
Graded-index multimode fiber and manufacturing method therefor App 20050053351 - Guan, Ning ;   et al. | 2005-03-10 |
Graded-index multimode fiber and manufacturing method therefor App 20050013570 - Guan, Ning ;   et al. | 2005-01-20 |
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