| Patent | Date |
|---|
Optical Fiber And Optical Fiber Filter
App 20220196908 - NAGANO; Shigehiro ; et al. | 2022-06-23 |
Fiber Connection Structure Provided With Optical Connector, Module, And Assembly
App 20210333484 - MASUDA; Kazuya ; et al. | 2021-10-28 |
Optical fiber and optical fiber grating
Grant 10,962,709 - Nagano , et al. March 30, 2 | 2021-03-30 |
Optical Fiber And Optical Fiber Grating
App 20200408986 - NAGANO; Shigehiro ; et al. | 2020-12-31 |
Stranded optical cable with connectors
Grant 9,176,295 - Sakabe , et al. November 3, 2 | 2015-11-03 |
Optical module and optical system
Grant 8,821,036 - Shigehara September 2, 2 | 2014-09-02 |
Optical Module And Optical System
App 20120163757 - SHIGEHARA; Masakazu | 2012-06-28 |
Stranded Optical Cable With Connectors
App 20120106906 - Sakabe; Itaru ; et al. | 2012-05-03 |
Optical adapter
Grant 7,712,979 - Shibata , et al. May 11, 2 | 2010-05-11 |
Optical signal processor and optical signal processing method for processing optical signals in optical communications systems
Grant 7,521,660 - Takushima , et al. April 21, 2 | 2009-04-21 |
Diffraction grating element, production method of diffraction grating element, and method of designing diffraction grating element
Grant 7,502,167 - Shiozaki , et al. March 10, 2 | 2009-03-10 |
Optical adapter
App 20080310800 - Shibata; Masahiro ; et al. | 2008-12-18 |
Optical communication module and optical sub-assembly
App 20080145005 - Shibata; Masahiro ; et al. | 2008-06-19 |
Diffraction grating element, production method of diffraction grating element, and method of designing diffraction grating element
App 20070146884 - Shiozaki; Manabu ; et al. | 2007-06-28 |
Optical fiber and fiber grating type filter including the same
Grant 7,203,399 - Ishikawa , et al. April 10, 2 | 2007-04-10 |
Diffraction grating element, production method of diffraction grating element, and method of designing diffraction grating element
Grant 7,184,214 - Shiozaki , et al. February 27, 2 | 2007-02-27 |
Optical connector plug
App 20070025666 - Shibata; Masahiro ; et al. | 2007-02-01 |
Diffraction grating element
App 20060262305 - Shiozaki; Manabu ; et al. | 2006-11-23 |
Optical device control apparatus and optical device control method
Grant 7,110,636 - Takahashi , et al. September 19, 2 | 2006-09-19 |
Diffraction grating element
Grant 7,085,054 - Shiozaki , et al. August 1, 2 | 2006-08-01 |
Optical amplifier and optical communication system including the same
Grant 7,079,311 - Kakui , et al. July 18, 2 | 2006-07-18 |
Diffraction grating element, production method of diffraction grating element, and method of designing diffraction grating element
App 20060139756 - Shiozaki; Manabu ; et al. | 2006-06-29 |
Diffraction grating element, production method of diffraction grating element, and method of designing diffraction grating element
Grant 7,019,904 - Shiozaki , et al. March 28, 2 | 2006-03-28 |
Optical component, optical device and optical communications system
Grant 6,965,475 - Shiozaki , et al. November 15, 2 | 2005-11-15 |
Optical signal processor and optical signal processing method
App 20050238285 - Takushima, Michiko ; et al. | 2005-10-27 |
Diffraction grating element
App 20050231805 - Shiozaki, Manabu ; et al. | 2005-10-20 |
Gain equalizer and optical amplification apparatus
Grant 6,952,511 - Shigehara , et al. October 4, 2 | 2005-10-04 |
Diffraction grating element, production method of diffraction grating element, and method of designing diffraction grating element
App 20050152037 - Shiozaki, Manabu ; et al. | 2005-07-14 |
Diffraction grating element
Grant 6,917,471 - Shiozaki , et al. July 12, 2 | 2005-07-12 |
Optical Component, Optical Device And Optical Communications System
App 20050128591 - Shiozaki, Manabu ; et al. | 2005-06-16 |
Variable dispersion compensator and optical transmission system
Grant 6,892,003 - Katayama , et al. May 10, 2 | 2005-05-10 |
Optical amplifier and optical communication system including the same
App 20050078357 - Kakui, Motoki ; et al. | 2005-04-14 |
Pumping light source unit, raman amplifier, and optical transmission system
Grant 6,867,907 - Inoue , et al. March 15, 2 | 2005-03-15 |
Optical device control apparatus and optical device control method
App 20050025413 - Takahashi, Kenichiro ; et al. | 2005-02-03 |
Optical fiber with built-in grating and optical fiber for forming grating therein
Grant 6,842,566 - Ishikawa , et al. January 11, 2 | 2005-01-11 |
Optical signal processor
Grant 6,825,981 - Takushima , et al. November 30, 2 | 2004-11-30 |
Optical multiplexer/demultiplexer and adjustment method thereof
Grant 6,823,106 - Takushima , et al. November 23, 2 | 2004-11-23 |
Optical amplifier and optical communication system including the same
Grant 6,819,482 - Kakui , et al. November 16, 2 | 2004-11-16 |
Diffraction grating element
App 20040212890 - Shiozaki, Manabu ; et al. | 2004-10-28 |
Diffraction grating element, optical module and optical communications system
App 20040201892 - Shiozaki, Manabu ; et al. | 2004-10-14 |
Diffraction grating device manufacturing method, diffraction grating device manufacturing apparatus, and diffraction grating device
Grant 6,804,437 - Murashima , et al. October 12, 2 | 2004-10-12 |
Optical component
Grant 6,788,874 - Ishikawa , et al. September 7, 2 | 2004-09-07 |
Optical fiber grating device
Grant 6,785,444 - Ishikawa , et al. August 31, 2 | 2004-08-31 |
Optical fiber and fiber grating type filter including the same
App 20040151467 - Ishikawa, Shinji ; et al. | 2004-08-05 |
Branch line monitoring system and branch line monitoring method
Grant 6,771,358 - Shigehara , et al. August 3, 2 | 2004-08-03 |
Optical waveguide type defraction grating device and a method of manufacturing thereof
Grant 6,766,080 - Ohmura , et al. July 20, 2 | 2004-07-20 |
Transmitted type diffractive optical element
App 20040136073 - Shiozaki, Manabu ; et al. | 2004-07-15 |
Gain equalizer and optical amplification apparatus
App 20040109638 - Shigehara, Masakazu ; et al. | 2004-06-10 |
Optical filter functioning as both a gain equalizer and noise-light blocking filter
Grant 6,738,183 - Shigehara May 18, 2 | 2004-05-18 |
Optical element
App 20040080823 - Takushima, Michiko ; et al. | 2004-04-29 |
Optical signal processor
App 20040076368 - Takushima, Michiko ; et al. | 2004-04-22 |
Optical filter having cascaded long-period gratings
Grant 6,665,472 - Takushima , et al. December 16, 2 | 2003-12-16 |
Diffraction grating device manufacturing method, diffraction grating device manufacturing apparatus, and diffraction grating device
App 20030165294 - Murashima, Kiyotaka ; et al. | 2003-09-04 |
Optical fiber grating device
App 20030103727 - Ishikawa, Shinji ; et al. | 2003-06-05 |
Optical amplifier and optical communication system including the same
App 20030090782 - Kakui, Motoki ; et al. | 2003-05-15 |
Optical multiplexer/demultiplexer and adjustment method thereof
App 20030063385 - Takushima, Michiko ; et al. | 2003-04-03 |
Optical fiber with built-in grating and optical fiber for forming grating therein
App 20030021533 - Ishikawa, Shinji ; et al. | 2003-01-30 |
Optical waveguide type defraction grating device and a method of manufacturing thereof
App 20030012498 - Ohmura, Masaki ; et al. | 2003-01-16 |
Pumping light source unit, raman amplifier, and optical transmission system
App 20030002143 - Inoue, Masayuki ; et al. | 2003-01-02 |
Long period grating and making method of the same
App 20020181105 - Takushima, Michiko ; et al. | 2002-12-05 |
Variable dispersion compensator and optical transmission system
App 20020159701 - Katayama, Makoto ; et al. | 2002-10-31 |
Optical filter, optical amplification system and optical communication system
App 20020126371 - Shigehara, Masakazu | 2002-09-12 |
Laser light source and manufacturing method therefor
Grant 6,415,078 - Shigehara , et al. July 2, 2 | 2002-07-02 |
Optical filter
App 20020067884 - Takushima, Michiko ; et al. | 2002-06-06 |
Optical loss filter
App 20020051606 - Takushima, Michiko ; et al. | 2002-05-02 |
Method for determining an aging condition for an optical waveguide grating and temperature sensor
App 20020009281 - Ishikawa, Shinji ; et al. | 2002-01-24 |
Optical fiber grating element, production method, and optical fiber filter
App 20020003926 - Enomoto, Tadashi ; et al. | 2002-01-10 |
Optical filter and method of making the same
Grant 6,337,937 - Takushima , et al. January 8, 2 | 2002-01-08 |
Diffraction grating device
App 20010048789 - Shiozaki, Manabu ; et al. | 2001-12-06 |
Optical fiber for optical amplifier, optical fiber amplifier and optical fiber laser
App 20010026396 - Enomoto, Tadashi ; et al. | 2001-10-04 |
Semiconductor laser module
App 20010021210 - Nakaya, Hiroyuki ; et al. | 2001-09-13 |
Optical fiber diffraction grating, a method of fabricating thereof and a laser light source
Grant 6,067,392 - Wakami , et al. May 23, 2 | 2000-05-23 |
Semiconductor laser module
Grant 5,993,073 - Hamakawa , et al. November 30, 1 | 1999-11-30 |
Array type light emitting element module and manufacturing method therefor
Grant 5,859,945 - Kato , et al. January 12, 1 | 1999-01-12 |
Laser light source apparatus, OTDR apparatus, and optical communication line inspection system
Grant 5,771,250 - Shigehara , et al. June 23, 1 | 1998-06-23 |
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