Inventor
MAEDA WAKAKO
JP21 patents
⚠️ This page may combine multiple inventors who share the name “MAEDA WAKAKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NEC CORP
12 patentsUS8041039B2Oct 18, 2011
Secret communications system and channel control method
NEC CORP25 citations92
US7613396B2Nov 3, 2009
Multiplexing communication system and crosstalk elimination method
NEC CORP21 citations92
US8009984B2Aug 30, 2011
Method and apparatus for measuring optical power of very weak light, and optical communication system using the same
NEC CORP7 citations84
US7907850B2Mar 15, 2011
Optical communication device and quantum key distribution system using the same
NEC CORP13 citations84
US7783042B2Aug 24, 2010
Communication system and synchronization method thereof
NEC CORP9 citations84
US7734757B2Jun 8, 2010
Method and system for managing shared information
NEC CORP16 citations84
US7734180B2Jun 8, 2010
Single fibre bidirectional optical transmission system and single fibre bidirectional optical amplifier
NEC CORP10 citations84
US7580634B2Aug 25, 2009
Transmission method, transmitter-receiver, and transmitting-receiving system
NEC CORP14 citations84
US8041232B2Oct 18, 2011
Optical transmitter and control method thereof
NEC CORP5 citations63
US7616765B2Nov 10, 2009
Method and system for generating shared information
NEC CORP4 citations63
US7560683B2Jul 14, 2009
Photo detecting circuit and noise elimination method utilized to produce a photo reception signal
NEC CORP6 citations63
US7934132B2Apr 26, 2011
Communication system and method for controlling the same
NEC CORP0 citations52
TANAKA AKIHIRO
4 patentsUS8949300B2Feb 3, 2015
Circuit and method for controlling quality of random numbers
TANAKA AKIHIRO14 citations84
US8718485B2May 6, 2014
Quantum key distribution system, optical transmitter, optical modulation control circuit, and optical modulation control method
TANAKA AKIHIRO8 citations84
US8391491B2Mar 5, 2013
Communication system and synchronization control method
TANAKA AKIHIRO3 citations62
US8171354B2May 1, 2012
Communication system and method for controlling the same
TANAKA AKIHIRO3 citations62
MAEDA WAKAKO
3 patentsUS8184989B2May 22, 2012
Communication system and timing control method
MAEDA WAKAKO19 citations92
US8204231B2Jun 19, 2012
Method and device for managing cryptographic keys in secret communications network
MAEDA WAKAKO16 citations83
US8638942B2Jan 28, 2014
Method and system for managing shared random numbers in secret communication network
MAEDA WAKAKO6 citations72