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Beijing, CN
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Patents Grants
last 30 patents
Information
Patent Grant
Load balancing system with an access controller in the field of com...
Patent number
10,674,402
Issue date
Jun 2, 2020
Ricoh Company, Ltd.
Tian Yang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Distance estimation method and device as well as node localization...
Patent number
9,903,943
Issue date
Feb 27, 2018
Ricoh Company, Ltd.
Xiaomei Lu
G01 - MEASURING TESTING
Information
Patent Grant
Access control method, authentication method, and authentication de...
Patent number
9,667,625
Issue date
May 30, 2017
Ricoh Company, Ltd.
Bin Da
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Channel power adjustment based on positional information of area re...
Patent number
9,544,858
Issue date
Jan 10, 2017
Ricoh Company, Ltd.
Bin Da
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wireless network area limiting method and system based on near fiel...
Patent number
9,226,336
Issue date
Dec 29, 2015
Ricoh Company, Ltd.
Yan Sun
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
LOAD BALANCING METHOD, LOAD BALANCING SYSTEM, AND ACCESS CONTROLLER
Publication number
20180255480
Publication date
Sep 6, 2018
RICOH COMPANY, LTD.
Tian YANG
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
AREA RESTRICTED ACCESS SYSTEM, METHOD AND NON-TRANSITORY COMPUTER-R...
Publication number
20170006043
Publication date
Jan 5, 2017
Bin DA
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
DISTANCE ESTIMATION METHOD AND DEVICE AS WELL AS NODE LOCALIZATION...
Publication number
20160131750
Publication date
May 12, 2016
RICOH COMPANY, LTD.
Xiaomei Lu
G01 - MEASURING TESTING
Information
Patent Application
ACCESS CONTROL METHOD, AUTHENTICATION METHOD, AND AUTHENTICATION D...
Publication number
20160014118
Publication date
Jan 14, 2016
RICOH COMPANY, LTD.
Bin Da
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
CHANNEL POWER ADJUSTMENT BASED ON POSITIONAL INFORMATION OF AREA RE...
Publication number
20150139124
Publication date
May 21, 2015
RICOH COMPANY, LTD.
Bin DA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
AREA RESTRICTED NETWORK MANAGEMENT METHOD AND DEVICE AS WELL AS ARE...
Publication number
20150089606
Publication date
Mar 26, 2015
RICOH COMPANY, LTD.
Wei WANG
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHOD AND SYSTEM FOR ALLOCATING RADIO CHANNEL
Publication number
20150029959
Publication date
Jan 29, 2015
RICOH COMPANY, LTD.
Bin DA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
WIRELESS NETWORK AREA LIMITING METHOD AND SYSTEM BASED ON NEAR FIEL...
Publication number
20140219262
Publication date
Aug 7, 2014
RICOH COMPANY, LTD.
Yan SUN
H04 - ELECTRIC COMMUNICATION TECHNIQUE