Patent | Date |
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Optical receiver and optical transfer apparatus Grant 8,712,255 - Takeuchi , et al. April 29, 2 | 2014-04-29 |
Optical transport apparatus and optical transport system Grant 8,693,869 - Fukashiro April 8, 2 | 2014-04-08 |
Sending apparatus, receiving apparatus, and transmission system Grant 8,638,823 - Takeuchi , et al. January 28, 2 | 2014-01-28 |
Optical communication card and optical transmission device Grant 8,626,001 - Kamakura , et al. January 7, 2 | 2014-01-07 |
Optical communication card and communication device Grant 8,588,615 - Kamakura , et al. November 19, 2 | 2013-11-19 |
Optical cross-connect apparatus Grant 8,498,537 - Uchiyama , et al. July 30, 2 | 2013-07-30 |
Optical Transport Apparatus And Optical Transport System App 20120155871 - FUKASHIRO; YASUYUKI | 2012-06-21 |
Optical Communication Card And Optical Transmission Device App 20120099871 - KAMAKURA; Masafumi ;   et al. | 2012-04-26 |
Optical transmission system and optical node Grant 8,165,467 - Fukashiro April 24, 2 | 2012-04-24 |
Optical signal transmission apparatus Grant 8,131,155 - Fukashiro , et al. March 6, 2 | 2012-03-06 |
Optical Receiver And Optical Transfer Apparatus App 20110293270 - Takeuchi; Hiroshi ;   et al. | 2011-12-01 |
Sending Apparatus, Receiving Apparatus, And Transmission System App 20110216783 - Takeuchi; Hiroshi ;   et al. | 2011-09-08 |
Optical Communication Card And Communication Device App 20110176812 - KAMAKURA; Masafumi ;   et al. | 2011-07-21 |
Optical switch and optical crossconnect apparatus Grant 7,877,011 - Fukashiro January 25, 2 | 2011-01-25 |
Optical Cross-connect Apparatus App 20110008041 - Uchiyama; Yasuhiro ;   et al. | 2011-01-13 |
Optical, network, node apparatus and method for recovery path fault Grant 7,848,646 - Fukashiro , et al. December 7, 2 | 2010-12-07 |
Optical Transmission Device And Optical Transmission Method App 20090317078 - UDA; Tetsuya ;   et al. | 2009-12-24 |
Optical Signal Transmission Apparatus App 20090238563 - FUKASHIRO; Yasuyuki ;   et al. | 2009-09-24 |
Optical switching apparatus with optical reflection monitor and reflection monitoring system Grant 7,542,672 - Kakizaki , et al. June 2, 2 | 2009-06-02 |
Optical Transmission System And Optical Node App 20090136233 - FUKASHIRO; Yasuyuki | 2009-05-28 |
Wavelength-division multiplexing optical transmitter Grant 7,526,200 - Nakano , et al. April 28, 2 | 2009-04-28 |
Optical crossconnect apparatus Grant 7,447,398 - Hirai , et al. November 4, 2 | 2008-11-04 |
Optical cross connect apparatus and optical transmission system Grant 7,447,430 - Nogi , et al. November 4, 2 | 2008-11-04 |
Variable dispersion compensation equipment, optical transmission system using it and method of setting dispersion compensation quantity Grant 7,435,013 - Hirai , et al. October 14, 2 | 2008-10-14 |
Dispersion compensation device and dispersion compensation method Grant 7,415,177 - Fukashiro , et al. August 19, 2 | 2008-08-19 |
Optical switch and optical crossconnect apparatus App 20080124078 - Fukashiro; Yasuyuki | 2008-05-29 |
Optical switching apparatus and optical communication network system Grant 7,356,257 - Kitajima , et al. April 8, 2 | 2008-04-08 |
Method For Setting Path And Node Apparatus App 20080056159 - Suzuki; Motoki ;   et al. | 2008-03-06 |
Path Setting Method, Node Device, And Monitoring/control Device App 20070274224 - Suzuki; Motoki ;   et al. | 2007-11-29 |
Dispersion compensation device and dispersion compensation method App 20070223926 - Fukashiro; Yasuyuki ;   et al. | 2007-09-27 |
Optical switching apparatus with optical reflection monitor and reflection monitoring system App 20070223918 - Kakizaki; Sunao ;   et al. | 2007-09-27 |
Optical crossconnect apparatus and optical transmission system Grant 7,272,314 - Fukashiro , et al. September 18, 2 | 2007-09-18 |
Optical crossconnect apparatus App 20070189663 - Hirai; Tooru ;   et al. | 2007-08-16 |
Dispersion compensation device and dispersion compensation method Grant 7,218,818 - Fukashiro , et al. May 15, 2 | 2007-05-15 |
Optical switching apparatus and optical switching method Grant 7,215,843 - Fukashiro , et al. May 8, 2 | 2007-05-08 |
Optical switching apparatus, optical transmission system and method of setting up for optical signal route Grant 7,206,475 - Kakizaki , et al. April 17, 2 | 2007-04-17 |
Optical network, node apparatus and method for relieving path fault App 20070036544 - Fukashiro; Yasuyuki ;   et al. | 2007-02-15 |
Dispersion compensation device and dispersion compensation method App 20060133815 - Fukashiro; Yasuyuki ;   et al. | 2006-06-22 |
Variable dispersion compensation equipment, optical transmission system using it and method of setting dispersion compensation quantity App 20060133722 - Hirai; Tooru ;   et al. | 2006-06-22 |
Wavelength-division multiplexing optical transmitter App 20060045520 - Nakano; Hiroyuki ;   et al. | 2006-03-02 |
Optical cross connect apparatus and optical transmission system App 20060018656 - Nogi; Yoshio ;   et al. | 2006-01-26 |
Optical switching apparatus and optical switching method Grant 6,987,899 - Fukashiro , et al. January 17, 2 | 2006-01-17 |
Optical switching apparatus and optical switching method Grant 6,985,649 - Fukashiro , et al. January 10, 2 | 2006-01-10 |
Optical switching apparatus and optical communication network system App 20050281556 - Kitajima, Shigeki ;   et al. | 2005-12-22 |
Optical switching equipment, optical transport network, and methods of using them Grant 6,970,614 - Tsushima , et al. November 29, 2 | 2005-11-29 |
Optical switching apparatus and optical switching method App 20050191006 - Fukashiro, Yasuyuki ;   et al. | 2005-09-01 |
Optical switching apparatus and optical communication network system Grant 6,933,852 - Kitajima , et al. August 23, 2 | 2005-08-23 |
Optical switching apparatus, optical transmission system and method of setting up for optical signal route App 20050031346 - Kakizaki, Sunao ;   et al. | 2005-02-10 |
Optical crossconnect apparatus and optical transmission system App 20050025481 - Fukashiro, Yasuyuki ;   et al. | 2005-02-03 |
Optical switching apparatus, optical transmission system and method of setting up for optical signal route Grant 6,839,480 - Kakizaki , et al. January 4, 2 | 2005-01-04 |
Optical crossconnect apparatus and optical transmission system Grant 6,813,445 - Fukashiro , et al. November 2, 2 | 2004-11-02 |
Optical switching apparatus, optical transmission system and method of setting up for optical signal route Grant 6,778,725 - Kakizaki , et al. August 17, 2 | 2004-08-17 |
Optical switching apparatus and optical switching method App 20040120714 - Fukashiro, Yasuyuki ;   et al. | 2004-06-24 |
Optical switching apparatus, optical transmission system and method of setting up for optical signal route App 20040081460 - Kakizaki, Sunao ;   et al. | 2004-04-29 |
Optical switching apparatus and optical switching method Grant 6,714,697 - Fukashiro , et al. March 30, 2 | 2004-03-30 |
Optical switching apparatus and optical communication network system App 20030128979 - Kitajima, Shigeki ;   et al. | 2003-07-10 |
Optical switching equipment, optical transport network, and methods of using them App 20030118272 - Tsushima, Hideaki ;   et al. | 2003-06-26 |
Optical switching apparatus with optical reflection monitor and reflection monitoring system App 20030026524 - Kakizaki, Sunao ;   et al. | 2003-02-06 |
Optical switching apparatus and optical switching method App 20020191891 - Fukashiro, Yasuyuki ;   et al. | 2002-12-19 |
Optical switching apparatus and optical switching method App 20020191892 - Fukashiro, Yasuyuki ;   et al. | 2002-12-19 |
Optical crossconnect apparatus and optical transmission system App 20020093712 - Fukashiro, Yasuyuki ;   et al. | 2002-07-18 |
Optical crossconnect apparatus and optical transmission system Grant 6,362,905 - Fukashiro , et al. March 26, 2 | 2002-03-26 |
Method and system for reducing optical surge Grant 6,341,032 - Fukashiro , et al. January 22, 2 | 2002-01-22 |