Yuji Tochio

Person

Kawasaki, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical transmission device, optical transmission system and method...
- Patent number 11,923,968
- Issue date Mar 5, 2024
- Fujitsu Limited
- Yuji Tochio
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Transmission device and network system
- Patent number 10,917,350
- Issue date Feb 9, 2021
- Fujitsu Limited
- Yuji Tochio
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication apparatus and signal relay method
- Patent number 10,848,840
- Issue date Nov 24, 2020
- Fujitsu Limited
- Yuji Tochio
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Transmission apparatus and redundancy method
- Patent number 10,742,543
- Issue date Aug 11, 2020
- Fujitsu Limited
- Yuji Tochio
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Transmission apparatus and redundancy method
- Patent number 10,009,262
- Issue date Jun 26, 2018
- Fujitsu Limited
- Yuji Tochio
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication system and transfer apparatus
- Patent number 9,716,650
- Issue date Jul 25, 2017
- Fujitsu Limited
- Yuji Tochio
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Protection path providing method and transmission device
- Patent number 9,391,694
- Issue date Jul 12, 2016
- Fujitsu Limited
- Yuji Tochio
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmission device and optical transmission network system
- Patent number 9,369,786
- Issue date Jun 14, 2016
- Fujitsu Limited
- Yuji Tochio
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method of accommodating signals, frame generation apparatus, frame...
- Patent number 9,264,283
- Issue date Feb 16, 2016
- Fujitsu Limited
- Yuji Tochio
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Transmission apparatus, failure recovery method, and network system
- Patent number 9,154,326
- Issue date Oct 6, 2015
- Fujitsu Limited
- Yuji Tochio
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication control device and communication control method
- Patent number 9,075,769
- Issue date Jul 7, 2015
- Fujitsu Limited
- Yuji Tochio
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmission apparatus
- Patent number 9,048,966
- Issue date Jun 2, 2015
- Fujitsu Limited
- Yuji Tochio
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication apparatus, system, and method
- Patent number 8,917,592
- Issue date Dec 23, 2014
- Fujitsu Limited
- Yuji Tochio
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System and method for setting redundant path segments in a multi-ri...
- Patent number 8,873,380
- Issue date Oct 28, 2014
- Fujitsu Limited
- Yuji Tochio
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Data relay apparatus, and ring-type communication system
- Patent number 8,737,201
- Issue date May 27, 2014
- Fujitsu Limited
- Yuji Tochio
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication path providing method and communication apparatus
- Patent number 8,441,923
- Issue date May 14, 2013
- Fujitsu Limited
- Yuji Tochio
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Node apparatus, ring network, and protection path bandwidth control...
- Patent number 8,432,792
- Issue date Apr 30, 2013
- Fujitsu Limited
- Yasuki Fujii
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication system and apparatus
- Patent number 8,208,469
- Issue date Jun 26, 2012
- Fujitsu Limited
- Yuji Tochio
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Data relay apparatus and failure recovery method
- Patent number 8,174,963
- Issue date May 8, 2012
- Fujitsu Limited
- Yuji Tochio
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and device using a backup communication path to transmit exc...
- Patent number 7,961,602
- Issue date Jun 14, 2011
- Fujitsu Limited
- Yuji Tochio
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Switch and packet forwarding method
- Patent number 7,929,451
- Issue date Apr 19, 2011
- Fujitsu Limited
- Yuji Tochio
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical-switch testing apparatus, optical-signal switching apparatu...
- Patent number 7,912,329
- Issue date Mar 22, 2011
- Fujitsu Limited
- Yoshio Sakai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Node setting apparatus, network system, node setting method, and co...
- Patent number 7,907,516
- Issue date Mar 15, 2011
- Fujitsu Limited
- Yuji Tochio
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Protection providing method and customer edge apparatus
- Patent number 7,821,971
- Issue date Oct 26, 2010
- Fujitsu Limited
- Yuji Tochio
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical-switch testing apparatus, optical-signal switching apparatu...
- Patent number 7,596,290
- Issue date Sep 29, 2009
- Fujitsu Limited
- Yoshio Sakai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Digital filter device
- Patent number 7,467,171
- Issue date Dec 16, 2008
- Fujitsu Limited
- Yuji Ishii
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Control apparatus and control method of optical signal exchanger
- Patent number 7,398,019
- Issue date Jul 8, 2008
- Fujitsu Limited
- Yuji Tochio
- G02 - OPTICS
Information Patent Grant
Optical-switch testing apparatus, optical-signal switching apparatu...
- Patent number 7,239,773
- Issue date Jul 3, 2007
- Fujitsu Limited
- Yoshio Sakai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Driver circuit and driving method for semiconductor laser
- Patent number 7,158,551
- Issue date Jan 2, 2007
- Fujitsu Limited
- Yuji Tochio
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Controlling apparatus and controlling method of optical switching d...
- Patent number 7,122,786
- Issue date Oct 17, 2006
- Fujitsu Limited
- Yuji Tochio
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL TRANSMISSION DEVICE AND OPTICAL TRANSMISSION SYSTEM
- Publication number 20240396634
- Publication date Nov 28, 2024
- Fujitsu Limited
- Yuji TOCHIO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TRANSMISSION DEVICE, OPTICAL TRANSMISSION SYSTEM AND METHOD...
- Publication number 20220278767
- Publication date Sep 1, 2022
- Fujitsu Limited
- Yuji TOCHIO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TRANSMISSION DEVICE AND TRANSMISSION METHOD
- Publication number 20220038346
- Publication date Feb 3, 2022
- Fujitsu Limited
- Yuji TOCHIO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TRANSMISSION DEVICE AND NETWORK SYSTEM
- Publication number 20200028784
- Publication date Jan 23, 2020
- Fujitsu Limited
- Yuji TOCHIO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
COMMUNICATION APPARATUS AND SIGNAL RELAY METHOD
- Publication number 20200014990
- Publication date Jan 9, 2020
- Fujitsu Limited
- Yuji Tochio
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TRANSMISSION APPARATUS AND REDUNDANCY METHOD
- Publication number 20180278515
- Publication date Sep 27, 2018
- Fujitsu Limited
- Yuji TOCHIO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD OF TRANSMISSION OF A SIGNAL AND RING NETWORK
- Publication number 20170302473
- Publication date Oct 19, 2017
- Fujitsu Limited
- Yuji TOCHIO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TRANSMISSION APPARATUS AND TRANSMISSION SYSTEM
- Publication number 20170111186
- Publication date Apr 20, 2017
- Fujitsu Limited
- Yuji TOCHIO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
PROTECTION METHOD, COMMUNICATION SYSTEM, AND END NODE
- Publication number 20170034043
- Publication date Feb 2, 2017
- Fujitsu Limited
- Yuji TOCHIO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TRANSMISSION DEVICE AND METHOD FOR ESTABLISHING PATH IN MULTILAYER...
- Publication number 20160119221
- Publication date Apr 28, 2016
- Fujitsu Limited
- Yuji TOCHIO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TRANSMISSION APPARATUS AND REDUNDANCY METHOD
- Publication number 20160119225
- Publication date Apr 28, 2016
- Fujitsu Limited
- Yuji TOCHIO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
PROTECTION PATH PROVIDING METHOD AND TRANSMISSION DEVICE
- Publication number 20150200723
- Publication date Jul 16, 2015
- Fujitsu Limited
- Yuji TOCHIO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
COMMUNICATION SYSTEM AND TRANSFER APPARATUS
- Publication number 20150023149
- Publication date Jan 22, 2015
- Fujitsu Limited
- Yuji TOCHIO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
COMMUNICATION CONTROL DEVICE AND COMMUNICATION CONTROL METHOD
- Publication number 20140025985
- Publication date Jan 23, 2014
- Fujitsu Limited
- Yuji Tochio
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SWITCHING DEVICE
- Publication number 20130170832
- Publication date Jul 4, 2013
- Fujitsu Limited
- Yuji TOCHIO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TRANSMISSION APPARATUS
- Publication number 20130163982
- Publication date Jun 27, 2013
- Yuji TOCHIO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD OF ACCOMMODATING SIGNALS, FRAME GENERATION APPARATUS, FRAME...
- Publication number 20130136008
- Publication date May 30, 2013
- FUJITSU LIMITED
- Yuji Tochio
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TRANSMISSION DEVICE AND OPTICAL TRANSMISSION NETWORK SYSTEM
- Publication number 20130051787
- Publication date Feb 28, 2013
- Fujitsu Limited
- Yuji TOCHIO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TRANSMISSION APPARATUS, FAILURE RECOVERY METHOD, AND NETWORK SYSTEM
- Publication number 20130010591
- Publication date Jan 10, 2013
- Fujitsu Limited
- Yuji Tochio
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SYSTEM AND METHOD FOR SETTING REDUNDANT PATH SEGMENTS IN A MULTI-RI...
- Publication number 20120236710
- Publication date Sep 20, 2012
- Fujitsu Limited
- Yuji Tochio
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TRANSMISSION APPARATUS
- Publication number 20120183291
- Publication date Jul 19, 2012
- Fujitsu Limited
- Yuji Tochio
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
COMMUNICATION APPARATUS, SYSTEM, AND METHOD
- Publication number 20110222396
- Publication date Sep 15, 2011
- Fujitsu Limited
- Yuji Tochio
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Data relay apparatus, and ring-type communication system
- Publication number 20110063971
- Publication date Mar 17, 2011
- FUJITSU LIMITED
- Yuji Tochio
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
COMMUNICATION PATH PROVIDING METHOD AND COMMUNICATION APPARATUS
- Publication number 20110007628
- Publication date Jan 13, 2011
- Fujitsu Limited
- Yuji Tochio
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
NODE APPARATUS, RING NETWORK, AND PROTECTION PATH BANDWIDTH CONTROL...
- Publication number 20100188970
- Publication date Jul 29, 2010
- FUJITSU LIMITED
- Yasuki FUJII
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TRANSMISSION DEVICE AND TRANSMISSION METHOD
- Publication number 20100074102
- Publication date Mar 25, 2010
- FUJITSU LIMITED
- Ryoichi MUTOH
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
COMMUNICATION SYSTEM AND APPARATUS
- Publication number 20100002706
- Publication date Jan 7, 2010
- Fujitsu Limited
- Yuji Tochio
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Transmission method and transmission apparatus in ring network
- Publication number 20090323521
- Publication date Dec 31, 2009
- FUJITSU LIMITED
- Yuji Tochio
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL-SWITCH TESTING APPARATUS, OPTICAL-SIGNAL SWITCHING APPARATU...
- Publication number 20090304329
- Publication date Dec 10, 2009
- FUJITSU LIMITED
- Yoshio Sakai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TRANSMITTING APPARATUS AND PATH SETTING METHOD
- Publication number 20090196202
- Publication date Aug 6, 2009
- FUJITSU LIMITED
- Yasuki FUJII
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Yuji Tochio

Person

Patents Grantslast 30 patents

Optical transmission device, optical transmission system and method...

Transmission device and network system

Communication apparatus and signal relay method

Transmission apparatus and redundancy method

Transmission apparatus and redundancy method

Communication system and transfer apparatus

Protection path providing method and transmission device

Optical transmission device and optical transmission network system

Method of accommodating signals, frame generation apparatus, frame...

Transmission apparatus, failure recovery method, and network system

Communication control device and communication control method

Optical transmission apparatus

Communication apparatus, system, and method

System and method for setting redundant path segments in a multi-ri...

Data relay apparatus, and ring-type communication system

Communication path providing method and communication apparatus

Node apparatus, ring network, and protection path bandwidth control...

Communication system and apparatus

Data relay apparatus and failure recovery method

Method and device using a backup communication path to transmit exc...

Switch and packet forwarding method

Optical-switch testing apparatus, optical-signal switching apparatu...

Node setting apparatus, network system, node setting method, and co...

Protection providing method and customer edge apparatus

Optical-switch testing apparatus, optical-signal switching apparatu...

Digital filter device

Control apparatus and control method of optical signal exchanger

Optical-switch testing apparatus, optical-signal switching apparatu...

Driver circuit and driving method for semiconductor laser

Controlling apparatus and controlling method of optical switching d...

Patents Applicationslast 30 patents

OPTICAL TRANSMISSION DEVICE AND OPTICAL TRANSMISSION SYSTEM

OPTICAL TRANSMISSION DEVICE, OPTICAL TRANSMISSION SYSTEM AND METHOD...

TRANSMISSION DEVICE AND TRANSMISSION METHOD

TRANSMISSION DEVICE AND NETWORK SYSTEM

COMMUNICATION APPARATUS AND SIGNAL RELAY METHOD

TRANSMISSION APPARATUS AND REDUNDANCY METHOD

METHOD OF TRANSMISSION OF A SIGNAL AND RING NETWORK

TRANSMISSION APPARATUS AND TRANSMISSION SYSTEM

PROTECTION METHOD, COMMUNICATION SYSTEM, AND END NODE

TRANSMISSION DEVICE AND METHOD FOR ESTABLISHING PATH IN MULTILAYER...

TRANSMISSION APPARATUS AND REDUNDANCY METHOD

PROTECTION PATH PROVIDING METHOD AND TRANSMISSION DEVICE

COMMUNICATION SYSTEM AND TRANSFER APPARATUS

COMMUNICATION CONTROL DEVICE AND COMMUNICATION CONTROL METHOD

SWITCHING DEVICE

TRANSMISSION APPARATUS

METHOD OF ACCOMMODATING SIGNALS, FRAME GENERATION APPARATUS, FRAME...

OPTICAL TRANSMISSION DEVICE AND OPTICAL TRANSMISSION NETWORK SYSTEM

TRANSMISSION APPARATUS, FAILURE RECOVERY METHOD, AND NETWORK SYSTEM

SYSTEM AND METHOD FOR SETTING REDUNDANT PATH SEGMENTS IN A MULTI-RI...

OPTICAL TRANSMISSION APPARATUS

COMMUNICATION APPARATUS, SYSTEM, AND METHOD

Data relay apparatus, and ring-type communication system

COMMUNICATION PATH PROVIDING METHOD AND COMMUNICATION APPARATUS

NODE APPARATUS, RING NETWORK, AND PROTECTION PATH BANDWIDTH CONTROL...

TRANSMISSION DEVICE AND TRANSMISSION METHOD

COMMUNICATION SYSTEM AND APPARATUS

Transmission method and transmission apparatus in ring network

OPTICAL-SWITCH TESTING APPARATUS, OPTICAL-SIGNAL SWITCHING APPARATU...

TRANSMITTING APPARATUS AND PATH SETTING METHOD