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Multi-core Optical Fiber And Design Method App 20220214496 - SAKAMOTO; Taiji ;   et al. | 2022-07-07 |
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Acoustic Mode Propagation Speed Measurement Method And Acoustic Mode Propagation Speed Measurement Device App 20220170817 - SAGAE; Yuto ;   et al. | 2022-06-02 |
Multicore Optical Fiber And Design Method App 20220120961 - Matsui; Takashi ;   et al. | 2022-04-21 |
Optical fiber manufacturing method using relative bulk densities Grant 11,237,322 - Arai , et al. February 1, 2 | 2022-02-01 |
Multicore Optical Fiber, Method Of Designing Multicore Optical Fiber, And Optical Transmission Method App 20220003920 - MATSUI; Takashi ;   et al. | 2022-01-06 |
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Multi-core Fiber Connector App 20210263213 - Sakamoto; Taiji ;   et al. | 2021-08-26 |
Intermode Loss Difference Compensation Fiber, Optical Amplifier, And Transmission Path Design Method App 20210234326 - YAMASHITA; Yoko ;   et al. | 2021-07-29 |
Connection device, optical connector manufacturing device, connection method, and method for manufacturing optical connector Grant 10,955,622 - Matsui , et al. March 23, 2 | 2021-03-23 |
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Connection Device, Optical Connector Manufacturing Device, Connection Method, And Method For Manufacturing Optical Connector App 20200379187 - MATSUI; Takashi ;   et al. | 2020-12-03 |
Optical fiber and optical transmission system Grant 10,790,905 - Mori , et al. September 29, 2 | 2020-09-29 |
Inter-mode loss difference compensator and optical amplifier Grant 10,782,478 - Wada , et al. Sept | 2020-09-22 |
Optical Fiber And Optical Transmission System App 20200225407 - URUSHIBARA; Azusa ;   et al. | 2020-07-16 |
Optical transmission system Grant 10,705,291 - Urushibara , et al. | 2020-07-07 |
Optical Fiber And Optical Transmission System App 20200192022 - WADA; Masaki ;   et al. | 2020-06-18 |
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Optical connector Grant 10,585,235 - Sakamoto , et al. | 2020-03-10 |
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Photonic Crystal Fiber And High-power Light Transmission System App 20190339513 - MATSUI; Takashi ;   et al. | 2019-11-07 |
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Optical Fiber Design Method App 20180341104 - MATSUI; Takashi ;   et al. | 2018-11-29 |
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Crosstalk measuring method and crosstalk measuring device Grant 9,252,872 - Hamaguchi , et al. February 2, 2 | 2016-02-02 |
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 Grant 9,175,946 - Ishida , et al. November 3, 2 | 2015-11-03 |
Hole-assisted optical fiber Grant 9,075,185 - Kumano , et al. July 7, 2 | 2015-07-07 |
Optical connector and method for assembling same Grant 8,702,317 - Koyama , et al. April 22, 2 | 2014-04-22 |
Crosstalk Measuring Method And Crosstalk Measuring Device App 20140003807 - Hamaguchi; Hiroki ;   et al. | 2014-01-02 |
Hole-assisted Optical Fiber App 20130136409 - Kumano; Naomi ;   et al. | 2013-05-30 |
Optical Connector And Method For Assembling Same App 20120128303 - Koyama; Ryo ;   et al. | 2012-05-24 |
Optical fiber preform manufacturing method Grant 8,181,487 - Sugizaki , et al. May 22, 2 | 2012-05-22 |
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 App 20120044482 - ISHIDA; Itaru ;   et al. | 2012-02-23 |
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 Manuf App 20120042696 - TANIGAWA; Shoji ;   et al. | 2012-02-23 |
Holey Single-mode Optical Fiber And Optical Transmission System Using Same App 20120033923 - TAKENAGA; Katsuhiro ;   et al. | 2012-02-09 |
Optical Fiber Preform Manufacturing Method App 20100326139 - SUGIZAKI; Ryuichi ;   et al. | 2010-12-30 |
Hole-assisted single mode optical fiber Grant 7,228,040 - Nakajima , et al. June 5, 2 | 2007-06-05 |
Single mode optical fiber with electron vacancies App 20060045448 - Nakajima; Kazuhide ;   et al. | 2006-03-02 |
Method for manufacturing optical fiber using ultrasonic drill App 20030136154 - Tajima, Katsusuke ;   et al. | 2003-07-24 |