Ryuji Aida

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Communication system and method for controlling communication system
- Patent number 12,301,295
- Issue date May 13, 2025
- NEC Corporation
- Yutaka Yano
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical branching/coupling device and optical branching/coupling me...
- Patent number 11,914,191
- Issue date Feb 27, 2024
- NEC Corporation
- Ryuji Aida
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Integrated 3-way branching unit switch module having small footprint
- Patent number 11,888,583
- Issue date Jan 30, 2024
- NEC Corporation
- Fatih Yaman
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Submarine optical communication system and submarine branching appa...
- Patent number 11,705,971
- Issue date Jul 18, 2023
- NEC Corporation
- Ryuji Aida
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Three-way branching unit switch module having small footprint
- Patent number 11,700,067
- Issue date Jul 11, 2023
- NEC Corporation
- Fatih Yaman
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Submarine optical communication system and submarine branching appa...
- Patent number 11,658,750
- Issue date May 23, 2023
- NEC Corporation
- Ryuji Aida
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical branching/coupling device and optical branching/coupling me...
- Patent number 11,438,087
- Issue date Sep 6, 2022
- NEC Corporation
- Ryuji Aida
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmission device and optical transmission method
- Patent number 11,159,264
- Issue date Oct 26, 2021
- NEC Corporation
- Ryuji Aida
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical branching/coupling device and optical branching/coupling me...
- Patent number 11,082,145
- Issue date Aug 3, 2021
- NEC Corporation
- Ryuji Aida
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
High-density submarine ROADM unit with remote WSS redundancy
- Patent number 10,855,392
- Issue date Dec 1, 2020
- NEC Corporation
- Eduardo Mateo Rodriguez
- G02 - OPTICS
Information Patent Grant
Optical branching/coupling device and optical branching/coupling me...
- Patent number 10,715,270
- Issue date Jul 14, 2020
- NEC Corporation
- Ryuji Aida
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Power supply path-switching device, power supply path-switching sys...
- Patent number 10,348,440
- Issue date Jul 9, 2019
- NEC Corporation
- Ryuji Aida
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Power feed line switching circuit, branching device, submarine cabl...
- Patent number 10,153,850
- Issue date Dec 11, 2018
- NEC Corporation
- Ryuji Aida
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical relay device, optical communication system, optical relay m...
- Patent number 9,912,407
- Issue date Mar 6, 2018
- NEC Corporation
- Ryuji Aida
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Redundancy protection for reconfigurable optical add/drop multiplex...
- Patent number 9,866,346
- Issue date Jan 9, 2018
- NEC Corporation
- Philip Nan Ji
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Submarine reconfigurable optical add/drop multiplexer with passive...
- Patent number 9,813,182
- Issue date Nov 7, 2017
- NEC Corporation
- Philip N. Ji
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Mechanism for traffic privacy in reconfigurable add/drop multiplexe...
- Patent number 9,735,914
- Issue date Aug 15, 2017
- NEC Corporation
- Eduardo F. Mateo Rodriguez
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Low cost secure submarine ROADM branching unit using bidirectional...
- Patent number 9,654,246
- Issue date May 16, 2017
- NEC Corporation
- Philip Nan Ji
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Low cost secure ROADM branching unit with redundancy protection
- Patent number 9,654,209
- Issue date May 16, 2017
- NEC Corporation
- Philip Nan Ji
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Secure wavelength selective switch-based reconfigurable branching u...
- Patent number 9,414,134
- Issue date Aug 9, 2016
- NEC Corporation
- Ting Wang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Diverging device with OADM function and wavelength division multipl...
- Patent number 9,166,726
- Issue date Oct 20, 2015
- NEC Corporation
- Ryuji Aida
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Branching units and power line monitoring methods
- Patent number 9,143,845
- Issue date Sep 22, 2015
- NEC Corporation
- Ryuji Aida
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Reconfigurable branching unit for submarine optical communication n...
- Patent number 9,106,983
- Issue date Aug 11, 2015
- NEC Laboratories America, Inc.
- Philip N. Ji
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Reconfigurable branching unit for submarine optical communication n...
- Patent number 8,989,197
- Issue date Mar 24, 2015
- NEC Laboratories America, Inc.
- Philip N. Ji
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Multi-stage optical amplifier apparatus having fiber grating with a...
- Patent number 6,600,595
- Issue date Jul 29, 2003
- NEC Corporation
- Ryuji Aida
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
COMMUNICATION SYSTEM AND METHOD FOR CONTROLLING COMMUNICATION SYSTEM
- Publication number 20230344521
- Publication date Oct 26, 2023
- NEC CORPORATION
- Yutaka YANO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
INTEGRATED 3-WAY BRANCHING UNIT SWITCH MODULE HAVING SMALL FOOTPRINT
- Publication number 20220182170
- Publication date Jun 9, 2022
- NEC Laboratories America, Inc.
- Fatih YAMAN
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL BRANCHING/COUPLING DEVICE AND OPTICAL BRANCHING/COUPLING ME...
- Publication number 20220113471
- Publication date Apr 14, 2022
- NEC Corporation
- Ryuji AIDA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
THREE-WAY BRANCHING UNIT SWITCH MODULE HAVING SMALL FOOTPRINT
- Publication number 20220085896
- Publication date Mar 17, 2022
- NEC Laboratories America, Inc.
- Fatih YAMAN
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL BRANCHING/COUPLING DEVICE AND OPTICAL BRANCHING/COUPLING ME...
- Publication number 20210336714
- Publication date Oct 28, 2021
- NEC Corporation
- Ryuji AIDA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SUBMARINE OPTICAL COMMUNICATION SYSTEM AND SUBMARINE BRANCHING APPA...
- Publication number 20210194597
- Publication date Jun 24, 2021
- NEC Corporation
- Ryuji AIDA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TRANSMISSION DEVICE AND OPTICAL TRANSMISSION METHOD
- Publication number 20200412476
- Publication date Dec 31, 2020
- NEC Corporation
- Ryuji AIDA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL BRANCHING/COUPLING DEVICE AND OPTICAL BRANCHING/COUPLING ME...
- Publication number 20200313789
- Publication date Oct 1, 2020
- NEC Corporation
- Ryuji AIDA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
RESOURCE ALLOCATION DEVICE AND RESOURCE ALLOCATION METHOD
- Publication number 20200252700
- Publication date Aug 6, 2020
- NEC Corporation
- Ryuji AIDA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
HIGH-DENSITY SUBMARINE ROADM UNIT WITH REMOTE WSS REDUNDANCY
- Publication number 20200153531
- Publication date May 14, 2020
- NEC Laboratories America, Inc.
- Eduardo Mateo RODRIGUEZ
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
HIGH-DENSITY SUBMARINE ROADM UNIT WITH REMOTE WSS REDUNDANCY
- Publication number 20200153532
- Publication date May 14, 2020
- NEC Laboratories America, Inc.
- Eduardo Mateo RODRIGUEZ
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL BRANCHING/COUPLING DEVICE AND OPTICAL BRANCHING/COUPLING ME...
- Publication number 20190305870
- Publication date Oct 3, 2019
- NEC Corporation
- Ryuji AIDA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
POWER SUPPLY PATH-SWITCHING DEVICE, POWER SUPPLY PATH-SWITCHING SYS...
- Publication number 20180145785
- Publication date May 24, 2018
- NEC Corporation
- Ryuji AIDA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL RELAY DEVICE, OPTICAL COMMUNICATION SYSTEM, OPTICAL RELAY M...
- Publication number 20170126326
- Publication date May 4, 2017
- NEC Corporation
- Ryuji AIDA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
REDUNDANCY PROTECTION FOR RECONFIGURABLE OPTICAL ADD/DROP MULTIPLEX...
- Publication number 20170117982
- Publication date Apr 27, 2017
- NEC Laboratories America, Inc.
- Philip Nan Ji
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Low Cost Secure ROADM Branching Unit With Redundancy Protection
- Publication number 20160301467
- Publication date Oct 13, 2016
- NEC Laboratories America, Inc.
- Philip Nan Ji
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
POWER FEED LINE SWITCHING CIRCUIT, BRANCHING DEVICE, SUBMARINE CABL...
- Publication number 20160203930
- Publication date Jul 14, 2016
- NEC Corporation
- Ryuji AIDA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Low Cost Secure Submarine ROADM Branching Unit Using Bidirectional...
- Publication number 20160149663
- Publication date May 26, 2016
- NEC Laboratories America, Inc.
- Philip Nan Ji
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MECHANISM FOR TRAFFIC PRIVACY IN RECONFIGURABLE ADD/DROP MULTIPLEXE...
- Publication number 20160028502
- Publication date Jan 28, 2016
- NEC Laboratories America, Inc.
- Eduardo F. Mateo Rodriguez
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SECURE WAVELENGTH SELECTIVE SWITCH-BASED RECONFIGURABLE BRANCHING U...
- Publication number 20150093116
- Publication date Apr 2, 2015
- NEC Laboratories America, Inc.
- Ting Wang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SECURE WAVELENGTH SELECTIVE SWITCH-BASED RECONFIGURABLE BRANCHING U...
- Publication number 20150093111
- Publication date Apr 2, 2015
- NEC Laboratories America, Inc.
- Ting Wang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SUBMARINE RECONFIGURABLE OPTICAL ADD/DROP MULTIPLEXER WITH PASSIVE...
- Publication number 20150043920
- Publication date Feb 12, 2015
- NEC Laboratories America, Inc.
- PHILIP N. JI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Branching units and Power line Monitoring Methods
- Publication number 20140308036
- Publication date Oct 16, 2014
- Ryuji Aida
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
LATCHING OPTICAL SWITCH AND SUBSYSTEM USING BISTABLE LIQUID CRYSTAL
- Publication number 20140241720
- Publication date Aug 28, 2014
- NEC Laboratories America, Inc.
- Philip Nan Ji
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DIVERGING DEVICE WITH OADM FUNCTION AND WAVELENGTH DIVISION...
- Publication number 20140037284
- Publication date Feb 6, 2014
- Ryuji Aida
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
RECONFIGURABLE BRANCHING UNIT FOR SUBMARINE OPTICAL COMMUNICATION N...
- Publication number 20130259055
- Publication date Oct 3, 2013
- NEC Corporation
- Philip N. Ji
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
RECONFIGURABLE BRANCHING UNIT FOR SUBMARINE OPTICAL COMMUNICATION N...
- Publication number 20130259475
- Publication date Oct 3, 2013
- NEC Corporation
- Philip N. Ji
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL AMPLIFIER, CONTROL METHOD THEREFOR, AND OPTICAL TRANSMISSIO...
- Publication number 20110311236
- Publication date Dec 22, 2011
- Ryuji Aida
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical amplifier apparatus
- Publication number 20010013970
- Publication date Aug 16, 2001
- Ryuji Aida
- H01 - BASIC ELECTRIC ELEMENTS

Person

Patents Grantslast 30 patents

Communication system and method for controlling communication system

Optical branching/coupling device and optical branching/coupling me...

Integrated 3-way branching unit switch module having small footprint

Submarine optical communication system and submarine branching appa...

Three-way branching unit switch module having small footprint

Submarine optical communication system and submarine branching appa...

Optical branching/coupling device and optical branching/coupling me...

Optical transmission device and optical transmission method

Optical branching/coupling device and optical branching/coupling me...

High-density submarine ROADM unit with remote WSS redundancy

Optical branching/coupling device and optical branching/coupling me...

Power supply path-switching device, power supply path-switching sys...

Power feed line switching circuit, branching device, submarine cabl...

Optical relay device, optical communication system, optical relay m...

Redundancy protection for reconfigurable optical add/drop multiplex...

Submarine reconfigurable optical add/drop multiplexer with passive...

Mechanism for traffic privacy in reconfigurable add/drop multiplexe...

Low cost secure submarine ROADM branching unit using bidirectional...

Low cost secure ROADM branching unit with redundancy protection

Secure wavelength selective switch-based reconfigurable branching u...

Diverging device with OADM function and wavelength division multipl...

Branching units and power line monitoring methods

Reconfigurable branching unit for submarine optical communication n...

Reconfigurable branching unit for submarine optical communication n...

Multi-stage optical amplifier apparatus having fiber grating with a...

Patents Applicationslast 30 patents

COMMUNICATION SYSTEM AND METHOD FOR CONTROLLING COMMUNICATION SYSTEM

INTEGRATED 3-WAY BRANCHING UNIT SWITCH MODULE HAVING SMALL FOOTPRINT

OPTICAL BRANCHING/COUPLING DEVICE AND OPTICAL BRANCHING/COUPLING ME...

THREE-WAY BRANCHING UNIT SWITCH MODULE HAVING SMALL FOOTPRINT

OPTICAL BRANCHING/COUPLING DEVICE AND OPTICAL BRANCHING/COUPLING ME...

SUBMARINE OPTICAL COMMUNICATION SYSTEM AND SUBMARINE BRANCHING APPA...

OPTICAL TRANSMISSION DEVICE AND OPTICAL TRANSMISSION METHOD

OPTICAL BRANCHING/COUPLING DEVICE AND OPTICAL BRANCHING/COUPLING ME...

RESOURCE ALLOCATION DEVICE AND RESOURCE ALLOCATION METHOD

HIGH-DENSITY SUBMARINE ROADM UNIT WITH REMOTE WSS REDUNDANCY

HIGH-DENSITY SUBMARINE ROADM UNIT WITH REMOTE WSS REDUNDANCY

OPTICAL BRANCHING/COUPLING DEVICE AND OPTICAL BRANCHING/COUPLING ME...

POWER SUPPLY PATH-SWITCHING DEVICE, POWER SUPPLY PATH-SWITCHING SYS...

OPTICAL RELAY DEVICE, OPTICAL COMMUNICATION SYSTEM, OPTICAL RELAY M...

REDUNDANCY PROTECTION FOR RECONFIGURABLE OPTICAL ADD/DROP MULTIPLEX...

Low Cost Secure ROADM Branching Unit With Redundancy Protection

POWER FEED LINE SWITCHING CIRCUIT, BRANCHING DEVICE, SUBMARINE CABL...

Low Cost Secure Submarine ROADM Branching Unit Using Bidirectional...

MECHANISM FOR TRAFFIC PRIVACY IN RECONFIGURABLE ADD/DROP MULTIPLEXE...

SECURE WAVELENGTH SELECTIVE SWITCH-BASED RECONFIGURABLE BRANCHING U...

SECURE WAVELENGTH SELECTIVE SWITCH-BASED RECONFIGURABLE BRANCHING U...

SUBMARINE RECONFIGURABLE OPTICAL ADD/DROP MULTIPLEXER WITH PASSIVE...

Branching units and Power line Monitoring Methods

LATCHING OPTICAL SWITCH AND SUBSYSTEM USING BISTABLE LIQUID CRYSTAL

DIVERGING DEVICE WITH OADM FUNCTION AND WAVELENGTH DIVISION...

RECONFIGURABLE BRANCHING UNIT FOR SUBMARINE OPTICAL COMMUNICATION N...

RECONFIGURABLE BRANCHING UNIT FOR SUBMARINE OPTICAL COMMUNICATION N...

OPTICAL AMPLIFIER, CONTROL METHOD THEREFOR, AND OPTICAL TRANSMISSIO...

Optical amplifier apparatus