Wakako Maeda

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Secret communication system and method for generating shared secret...
- Patent number 9,160,529
- Issue date Oct 13, 2015
- NEC Corporation
- Akio Tajima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Circuit and method for controlling quality of random numbers
- Patent number 8,949,300
- Issue date Feb 3, 2015
- NEC Corporation
- Akihiro Tanaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Quantum key distribution system, optical transmitter, optical modul...
- Patent number 8,718,485
- Issue date May 6, 2014
- NEC Corporation
- Akihiro Tanaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and system for managing shared random numbers in secret comm...
- Patent number 8,638,942
- Issue date Jan 28, 2014
- NEC Corporation
- Wakako Maeda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication system and synchronization control method
- Patent number 8,391,491
- Issue date Mar 5, 2013
- NEC Corporation
- Akihiro Tanaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and device for managing cryptographic keys in secret communi...
- Patent number 8,204,231
- Issue date Jun 19, 2012
- NEC Corporation
- Wakako Maeda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication system and timing control method
- Patent number 8,184,989
- Issue date May 22, 2012
- NEC Corporation
- Wakako Maeda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication system and method for controlling the same
- Patent number 8,171,354
- Issue date May 1, 2012
- NEC Corporation
- Akihiro Tanaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Secret communications system and channel control method
- Patent number 8,041,039
- Issue date Oct 18, 2011
- NEC Corporation
- Akio Tajima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmitter and control method thereof
- Patent number 8,041,232
- Issue date Oct 18, 2011
- NEC Corporation
- Akihiro Tanaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for measuring optical power of very weak light...
- Patent number 8,009,984
- Issue date Aug 30, 2011
- NEC Corporation
- Wakako Maeda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication system and communication method using the same
- Patent number 7,974,540
- Issue date Jul 5, 2011
- Japan Science and Technology Agency
- Akihisa Tomita
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication system and method for controlling the same
- Patent number 7,934,132
- Issue date Apr 26, 2011
- NEC Corporation
- Akihiro Tanaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical communication device and quantum key distribution system us...
- Patent number 7,907,850
- Issue date Mar 15, 2011
- NEC Corporation
- Akihiro Tanaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication system and synchronization method thereof
- Patent number 7,783,042
- Issue date Aug 24, 2010
- NEC Corporation
- Wakako Maeda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Single fibre bidirectional optical transmission system and single f...
- Patent number 7,734,180
- Issue date Jun 8, 2010
- NEC Corporation
- Wakako Maeda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and system for managing shared information
- Patent number 7,734,757
- Issue date Jun 8, 2010
- NEC Corporation
- Wakako Maeda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and system for generating shared information
- Patent number 7,616,765
- Issue date Nov 10, 2009
- NEC Corporation
- Wakako Maeda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Multiplexing communication system and crosstalk elimination method
- Patent number 7,613,396
- Issue date Nov 3, 2009
- NEC Corporation
- Wakako Maeda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Transmission method, transmitter-receiver, and transmitting-receivi...
- Patent number 7,580,634
- Issue date Aug 25, 2009
- NEC Corporation
- Takeshi Takeuchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Photo detecting circuit and noise elimination method utilized to pr...
- Patent number 7,560,683
- Issue date Jul 14, 2009
- NEC Corporation
- Seigo Takahashi
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
COMMUNICATION SYSTEM AND METHOD FOR CONTROLLING THE SAME
- Publication number 20110167299
- Publication date Jul 7, 2011
- Akihiro Tanaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
QUANTUM KEY DISTRIBUTION SYSTEM, OPTICAL TRANSMITTER, OPTICAL MODUL...
- Publication number 20100195831
- Publication date Aug 5, 2010
- Akihiro Tanaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD AND DEVICE FOR MANAGING CRYPTOGRAPHIC KEYS IN SECRET COMMUNI...
- Publication number 20090316910
- Publication date Dec 24, 2009
- NEC Corporation
- Wakako Maeda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TRANSMISSION METHOD, TRANSMITTER-RECEIVER, AND TRANSMITTING-RECEIVI...
- Publication number 20090279897
- Publication date Nov 12, 2009
- NEC Corporation
- Takeshi Takeuchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and system for managing shared random numbers in secret comm...
- Publication number 20090262942
- Publication date Oct 22, 2009
- NEC Corporation
- Wakako Maeda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
PHOTON DETECTION METHOD AND CIRCUIT HAVING PHASE ADJUSTER
- Publication number 20090236501
- Publication date Sep 24, 2009
- NEC Corporation
- Seigo Takahashi
- G01 - MEASURING TESTING
Information Patent Application
OPTICAL TRANSMITTER AND CONTROL METHOD THEREOF
- Publication number 20090074425
- Publication date Mar 19, 2009
- NEC Corporation
- Akihiro Tanaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and system for managing shared information
- Publication number 20080147820
- Publication date Jun 19, 2008
- NEC Corporation
- Wakako Maeda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
CIRCUIT AND METHOD FOR CONTROLLING QUALITY OF RANDOM NUMBERS
- Publication number 20080052577
- Publication date Feb 28, 2008
- NEC Corporation
- Akihiro Tanaka
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Secret communications system and channel control method
- Publication number 20080013738
- Publication date Jan 17, 2008
- NEC Corporation
- Akio Tajima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical communication device and quantum key distribution system us...
- Publication number 20070248362
- Publication date Oct 25, 2007
- NEC Corporation
- Akihiro Tanaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Secret communication system and method for generating shared secret...
- Publication number 20070230688
- Publication date Oct 4, 2007
- NEC Corporation
- Akio Tajima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Communication system and communication method using the same
- Publication number 20070110242
- Publication date May 17, 2007
- Japan Science and Technology Agency
- Akihisa Tomita
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Communication system and timing control method
- Publication number 20070110454
- Publication date May 17, 2007
- NEC Corporation
- Wakako Maeda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and apparatus for measuring optical power of very weak light...
- Publication number 20070098402
- Publication date May 3, 2007
- NEC Corporation
- Wakako Maeda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Communication system and synchronization control method
- Publication number 20070058810
- Publication date Mar 15, 2007
- NEC Corporation
- Akihiro Tanaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Communication system and method for controlling the same
- Publication number 20070009098
- Publication date Jan 11, 2007
- Akihiro Tanaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Photo detecting circuit and noise elimination method
- Publication number 20060219871
- Publication date Oct 5, 2006
- NEC Corporation
- Seigo Takahashi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Method and system for generating shared information
- Publication number 20060093143
- Publication date May 4, 2006
- NEC Corporation
- Wakako Maeda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Multiplexing communication system and crosstalk elimination method
- Publication number 20060045527
- Publication date Mar 2, 2006
- NEC Corporation
- Wakako Maeda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Communication system and synchronization method thereof
- Publication number 20050180575
- Publication date Aug 18, 2005
- NEC Corporation
- Wakako Maeda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Transmission loss and gain measurement method, transmitter-receiver...
- Publication number 20050111843
- Publication date May 26, 2005
- NEC Corporation
- Takeshi Takeuchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Single fibre bidirectional optical transmission system and single f...
- Publication number 20040228632
- Publication date Nov 18, 2004
- NEC Corporation
- Wakako Maeda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Wakako Maeda

Person

Patents Grantslast 30 patents

Secret communication system and method for generating shared secret...

Circuit and method for controlling quality of random numbers

Quantum key distribution system, optical transmitter, optical modul...

Method and system for managing shared random numbers in secret comm...

Communication system and synchronization control method

Method and device for managing cryptographic keys in secret communi...

Communication system and timing control method

Communication system and method for controlling the same

Secret communications system and channel control method

Optical transmitter and control method thereof

Method and apparatus for measuring optical power of very weak light...

Communication system and communication method using the same

Communication system and method for controlling the same

Optical communication device and quantum key distribution system us...

Communication system and synchronization method thereof

Single fibre bidirectional optical transmission system and single f...

Method and system for managing shared information

Method and system for generating shared information

Multiplexing communication system and crosstalk elimination method

Transmission method, transmitter-receiver, and transmitting-receivi...

Photo detecting circuit and noise elimination method utilized to pr...

Patents Applicationslast 30 patents

COMMUNICATION SYSTEM AND METHOD FOR CONTROLLING THE SAME

QUANTUM KEY DISTRIBUTION SYSTEM, OPTICAL TRANSMITTER, OPTICAL MODUL...

METHOD AND DEVICE FOR MANAGING CRYPTOGRAPHIC KEYS IN SECRET COMMUNI...

TRANSMISSION METHOD, TRANSMITTER-RECEIVER, AND TRANSMITTING-RECEIVI...

Method and system for managing shared random numbers in secret comm...

PHOTON DETECTION METHOD AND CIRCUIT HAVING PHASE ADJUSTER

OPTICAL TRANSMITTER AND CONTROL METHOD THEREOF

Method and system for managing shared information

CIRCUIT AND METHOD FOR CONTROLLING QUALITY OF RANDOM NUMBERS

Secret communications system and channel control method

Optical communication device and quantum key distribution system us...

Secret communication system and method for generating shared secret...

Communication system and communication method using the same

Communication system and timing control method

Method and apparatus for measuring optical power of very weak light...

Communication system and synchronization control method

Communication system and method for controlling the same

Photo detecting circuit and noise elimination method

Method and system for generating shared information

Multiplexing communication system and crosstalk elimination method

Communication system and synchronization method thereof

Transmission loss and gain measurement method, transmitter-receiver...

Single fibre bidirectional optical transmission system and single f...