FUJITSU TELECOM NETWORKS LIMITED

Patent Applications and Registrations

Patent applications and USPTO patent grants for FUJITSU TELECOM NETWORKS LIMITED.The latest application filed is for "transmission device and time synchronization method".

Company Profile

2.58.53

FUJITSU TELECOM NETWORKS LIMITED - Kawasaki-shi, Kanagawa N/A JP
Fujitsu Telecom Networks Limited - Kawasaki-shi N/A JP
Fujitsu Telecom Networks Limited - Kanagawa JP
FUJITSU TELECOM NETWORKS LIMITED - Kawasaki JP
Fujitsu Telecom Networks Limited - JP JP
FUJITSU TELECOM NETWORKS LIMITED; - US
Fujitsu Telecom Networks Limited; - Kawasaki-shi JP

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Optical transmitter and optical transmission method Grant 9,755,777 - Bato , et al. September 5, 2	2017-09-05
Transmission device and time synchronization method Grant 9,703,315 - Kawashita , et al. July 11, 2	2017-07-11
Transmission device and pause frame conversion method Grant 9,641,427 - Nakajima , et al. May 2, 2	2017-05-02
Optical transmitter and optical transmission method Grant 9,537,599 - Bato , et al. January 3, 2	2017-01-03
Optical transmission system and optical transmission device Grant 9,479,249 - Endo , et al. October 25, 2	2016-10-25
Optical transmission device, optical transmission system, and optical transmission method Grant 9,450,698 - Matsunaga , et al. September 20, 2	2016-09-20
Transmission Device And Time Synchronization Method App 20160109900 - KAWASHITA; MITSUYA ; et al.	2016-04-21
Station-side apparatus and PON system Grant 9,287,981 - Takizawa , et al. March 15, 2	2016-03-15
Optical Transmission System And Optical Transmission Device App 20160065305 - ENDO; Taketo ; et al.	2016-03-03
Optical communication apparatus and control method thereof Grant 9,270,382 - Sakane , et al. February 23, 2	2016-02-23
Optical Transmitter And Optical Transmission Method App 20160020852 - BATO; Koji ; et al.	2016-01-21
Optical Transmitter And Optical Transmission Method App 20160020866 - BATO; Koji ; et al.	2016-01-21
Optical amplification device and method of controlling optical module Grant 9,240,666 - Kawashita , et al. January 19, 2	2016-01-19
Optical Network System And Optical Communication Method App 20150349912 - KOMI; MASAMITSU ; et al.	2015-12-03
Optical packet switching system Grant 9,167,319 - Mori October 20, 2	2015-10-20
Communication apparatus and communication controlling method in ring network Grant 9,166,815 - Kawarai , et al. October 20, 2	2015-10-20
Transmission Device And Pause Frame Conversion Method App 20150271085 - Nakajima; Takashi ; et al.	2015-09-24
Optical packet transmitting/receiving system Grant 9,143,262 - Sato September 22, 2	2015-09-22
Frame transmission system Grant 9,124,499 - Takakuwa , et al. September 1, 2	2015-09-01
Optical transmission device and method Grant 9,112,637 - Sakane , et al. August 18, 2	2015-08-18
Optical packet switching system and method for controlling the peak power Grant 9,077,475 - Saito , et al. July 7, 2	2015-07-07
Component Mounting Method And Mounting Component App 20150181721 - HAYAMA; Junichi ; et al.	2015-06-25
Optical packet switching system Grant 9,020,340 - Sato April 28, 2	2015-04-28
Frame Transmission Apparatus And Method For Checking Normality App 20150103673 - SHIMADA; Katsumi ; et al.	2015-04-16
Communication system, monitoring device of ring network, and flow rate monitoring method of ring network Grant 8,976,809 - Maruyama March 10, 2	2015-03-10
Switching Power Supply Apparatus Corresponding To Zero Voltage Switching System App 20150055374 - Yamashita; Shigeharu ; et al.	2015-02-26
Communication device Grant 8,953,473 - Ugai February 10, 2	2015-02-10
Excitation light source for raman amplification, raman amplifier, and optical transmission system Grant 8,947,767 - Mori , et al. February 3, 2	2015-02-03
Communication system, communication apparatus, and ring network monitoring method Grant 8,948,033 - Nagasaka February 3, 2	2015-02-03
Optical receiving device Grant 8,923,694 - Honda , et al. December 30, 2	2014-12-30
Optical receiving device Grant 08923694 -	2014-12-30
Optical Signal Processing Device, Optical Signal Processing Method And Recording Medium App 20140363154 - SAITO; Taku ; et al.	2014-12-11
Optical Transmission System, Optical Transmission Apparatus, And Optical Transmission Method App 20140355978 - SAKATA; TOMOYUKI ; et al.	2014-12-04
Optical Communication Apparatus And Control Method Thereof App 20140355980 - Sakane; Yuichiro ; et al.	2014-12-04
Optical Transmission Device, Optical Transmission System, And Optical Transmission Method App 20140355976 - Matsunaga; Koji ; et al.	2014-12-04
Optical packet switching system Grant 8,897,638 - Kitajima , et al. November 25, 2	2014-11-25
Optical Amplification Device And Method Of Controlling Optical Module App 20140340739 - Kawashita; Mitsuya ; et al.	2014-11-20
Optical communication device and signal adjusting method Grant 8,891,966 - Toyozumi , et al. November 18, 2	2014-11-18
Optical receiving apparatus and optical transmission system Grant 8,891,972 - Honda November 18, 2	2014-11-18
Optical packet switching system, optical packet switching device, and optical packet transmitter device Grant 8,886,039 - Uekama , et al. November 11, 2	2014-11-11
Optical packet switching system and optical packet transmitter device Grant 8,879,910 - Uekama , et al. November 4, 2	2014-11-04
Raman amplifier Grant 8,879,145 - Takeyama , et al. November 4, 2	2014-11-04
Optical packet switching system and optical packet switching device Grant 8,837,941 - Uekama , et al. September 16, 2	2014-09-16
Optical transmission system Grant 8,805,200 - Mori August 12, 2	2014-08-12
Optical packet switching system Grant 8,798,466 - Sato August 5, 2	2014-08-05
Optical packet switching system Grant 8,798,462 - Mori August 5, 2	2014-08-05
Optical Packet Switching System App 20140205292 - Mori; Shota	2014-07-24
Communication apparatus, interface card, and failure handling method Grant 8,769,157 - Maruyama July 1, 2	2014-07-01
Optical packet switch device Grant 8,755,374 - Mori , et al. June 17, 2	2014-06-17
Raman Amplifier App 20140146385 - TAKEYAMA; Tomoaki ; et al.	2014-05-29
Optical packet switching system Grant 8,724,989 - Mori May 13, 2	2014-05-13
Optical packet switching apparatus Grant 8,718,470 - Kawasaki May 6, 2	2014-05-06
Optical Transmission Device And Method App 20140112661 - Sakane; Yuichiro ; et al.	2014-04-24
Optical packet switching system and optical packet transmitter device Grant 8,705,961 - Sato , et al. April 22, 2	2014-04-22
Optical packet switching apparatus, optical packet switching system, and optical packet in-line amplifier apparatus Grant 8,705,958 - Mori , et al. April 22, 2	2014-04-22
Optical packet switching apparatus Grant 8,699,879 - Watanabe April 15, 2	2014-04-15
Transmission system and method of correcting tilt of the transmission system Grant 8,693,874 - Suzuki , et al. April 8, 2	2014-04-08
Power Supply Device App 20140092640 - YAMASHITA; Shigeharu ; et al.	2014-04-03
Optical packet switching system Grant 8,638,801 - Sato January 28, 2	2014-01-28
Communication Device App 20140022922 - TOKUNAGA; Mika ; et al.	2014-01-23
Wavelength division multiplexing transmission apparatus for controlling the wavelength of an FBTL optical module, and wavelength control method employed for wavelength division multiplexing transmission apparatus equipped with the FBTL optical module Grant 8,630,541 - Kawasaki January 14, 2	2014-01-14
Chuck mechanism of charge/discharge testing device for flat-rechargeable batteries Grant 08618804 -	2013-12-31
Chuck mechanism of charge/discharge testing device for flat-rechargeable batteries Grant 8,618,804 - Nishihara , et al. December 31, 2	2013-12-31
Wavelength division multiplexing transmission system and apparatus and optical signal noise ratio calculation method Grant 8,588,609 - Hiraizumi November 19, 2	2013-11-19
Communication apparatus at subscriber home Grant 8,582,459 - Hasegawa , et al. November 12, 2	2013-11-12
Relay apparatus for communication frames and relay method Grant 8,565,236 - Shimada October 22, 2	2013-10-22
Optical packet switching apparatus Grant 8,542,996 - Kawasaki , et al. September 24, 2	2013-09-24
Optical Receiving Device App 20130216219 - Honda; Toshiki ; et al.	2013-08-22
Communication controller Grant 8,498,304 - Okagawa July 30, 2	2013-07-30
Frame Transmission System App 20130188654 - Takakuwa; Makoto ; et al.	2013-07-25
Communication System, Monitoring Device Of Ring Network, And Flow Rate Monitoring Method Of Ring Network App 20130182591 - Maruyama; Ryo	2013-07-18
Excitation Light Source For Raman Amplification, Raman Amplifier, And Optical Transmission System App 20130162987 - Mori; Shota ; et al.	2013-06-27
Station-side Apparatus And Pon System App 20130148968 - TAKIZAWA; Motoyuki ; et al.	2013-06-13
Optical transmission system Grant 8,422,888 - Uekama April 16, 2	2013-04-16
Transmission Apparatus And Transmission Method App 20130064113 - KAWASHITA; Mitsuya ; et al.	2013-03-14
PON system, station-side apparatus for PON system, and control method thereof Grant 8,340,518 - Yoshida , et al. December 25, 2	2012-12-25
Optical Communication Device And Signal Adjusting Method App 20120315039 - TOYOZUMI; Tatsuya ; et al.	2012-12-13
Transmission apparatus, transmission controlling method, and optical supervisory channel (OSC) processing apparatus Grant 8,326,147 - Tanonaka , et al. December 4, 2	2012-12-04
Transmission Apparatus And Transmission Method App 20120300637 - SABETTO; Yoshikazu ; et al.	2012-11-29
Communication Device App 20120294171 - Ugai; Kazukuni	2012-11-22
Optical Fiber Cutting Device App 20120286013 - AOKI; Fumio	2012-11-15
Variable dispersion compensation device Grant 8,295,709 - Kunimatsu , et al. October 23, 2	2012-10-23
Fiber Clamp Mechanism App 20120141085 - Aoki; Fumio	2012-06-07
Communication System, Communication Apparatus, And Ring Network Monitoring Method App 20120106369 - Nagasaka; Seishi	2012-05-03
Guide Structure Of Optical Fiber And Wiring Method Of Optical Fiber App 20120033929 - HORIE; Nobuyuki	2012-02-09
Snmp Agent Device And Configuration Undo Method App 20120016972 - Tamura; Junichi	2012-01-19
Relay Apparatus For Communication Frames And Relay Method App 20120008491 - Shimada; Katsumi	2012-01-12
Pon System, Station-side Apparatus For Pon System, And Control Method Thereof App 20110217041 - Yoshida; Hiroaki ; et al.	2011-09-08
Communication Controller App 20110149988 - Okagawa; Hiroshi	2011-06-23
Communication Apparatus, Interface Card, And Failure Handling Method App 20110113154 - Maruyama; Ryo	2011-05-12
Optical Transmission System App 20110103804 - Uekama; Kimio	2011-05-05
Communication Apparatus And Communication Controlling Method In Ring Network App 20110064088 - Kawarai; Kenichi ; et al.	2011-03-17
Variable Dispersion Compensation Device App 20110026941 - Kunimatsu; Kazuhiro ; et al.	2011-02-03
Communication Apparatus At Subscriber Home App 20110020000 - Hasegawa; Kazutomo ; et al.	2011-01-27
Transmission Apparatus, Transmission Controlling Method, And Optical Supervisory Channel (osc) Processing Apparatus App 20110008049 - Tanonaka; Koji ; et al.	2011-01-13
Transmission System And Method Of Correcting Tilt Of The Transmission System App 20100322633 - Suzuki; Tomoyuki ; et al.	2010-12-23
Wavelength Division Multiplexing Transmission System And Apparatus And Optical Signal Noise Ratio Calculation Method App 20100226661 - HIRAIZUMI; Maki	2010-09-09