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Yoshikazu Azuma
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Communication system and method for managing guest user network con...
Patent number
11,153,301
Issue date
Oct 19, 2021
Ricoh Company, Ltd.
Yoshikazu Azuma
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
System and method for managing and authenticating communications co...
Patent number
10,567,958
Issue date
Feb 18, 2020
Ricoh Company, Ltd.
Yuko Nagashige
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Communication path switching apparatus, method for controlling comm...
Patent number
10,298,454
Issue date
May 21, 2019
Ricoh Company, Ltd.
Kiwamu Watanabe
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Communication apparatus, communication method, and communication sy...
Patent number
10,177,973
Issue date
Jan 8, 2019
Ricoh Company, Ltd.
Yoshikazu Azuma
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Communication system and communication method
Patent number
9,907,108
Issue date
Feb 27, 2018
Ricoh Company, Limited
Takayuki Kunieda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Communication apparatus, communication method, and communication sy...
Patent number
9,661,550
Issue date
May 23, 2017
Ricoh Company, Ltd.
Yoshikazu Azuma
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wireless communication apparatus, recording medium, and method
Patent number
9,301,138
Issue date
Mar 29, 2016
Ricoh Company, Ltd.
Yoshikazu Azuma
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Communication apparatus, wireless communication system, and method...
Patent number
8,739,263
Issue date
May 27, 2014
Ricoh Company, Ltd.
Yoshikazu Azuma
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Communication apparatus
Patent number
8,127,340
Issue date
Feb 28, 2012
Ricoh Company, Limited
Yoshikazu Azuma
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
COMMUNICATION SYSTEM, COMMUNICATION METHOD, AND COMPUTER PROGRAM
Publication number
20180145961
Publication date
May 24, 2018
Yoshikazu AZUMA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
COMMUNICATION PATH SWITCHING APPARATUS, METHOD FOR CONTROLLING COMM...
Publication number
20170310545
Publication date
Oct 26, 2017
RICOH COMPANY, LTD.
Kiwamu WATANABE
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
COMMUNICATION APPARATUS, COMMUNICATION METHOD, AND COMMUNICATION SY...
Publication number
20170048103
Publication date
Feb 16, 2017
RICOH COMPANY, LTD.
Yoshikazu Azuma
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
COMMUNICATIONS SYSTEM AND COMMUNICATIONS METHOD
Publication number
20160309525
Publication date
Oct 20, 2016
Yuko NAGASHIGE
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
COMMUNICATION APPARATUS, COMMUNICATION METHOD, AND COMMUNICATION SY...
Publication number
20150181499
Publication date
Jun 25, 2015
RICOH COMPANY, LTD.
Yoshikazu Azuma
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
COMMUNICATION SYSTEM AND COMMUNICATION METHOD
Publication number
20150078362
Publication date
Mar 19, 2015
RICOH COMPANY, LIMITED
Takayuki KUNIEDA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
WIRELESS COMMUNICATION APPARATUS, RECORDING MEDIUM, AND METHOD
Publication number
20140059643
Publication date
Feb 27, 2014
Yoshikazu AZUMA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
QUARANTINE NETWORK SYSTEM AND QUARANTINE CLIENT
Publication number
20120240232
Publication date
Sep 20, 2012
RICOH COMPANY, LTD.
Yoshikazu Azuma
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
COMMUNICATION APPARATUS, WIRELESS COMMUNICATION SYSTEM, AND METHOD...
Publication number
20110231922
Publication date
Sep 22, 2011
RICOH COMPANY, LTD.
Yoshikazu AZUMA
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
IMAGE PROCESSING APPARATUS, METHOD PERFORMED BY IMAGE PROCESSING AP...
Publication number
20110075186
Publication date
Mar 31, 2011
Yoshikazu AZUMA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHOD AND APPARATUS FOR COMMUNICATIONS
Publication number
20090077187
Publication date
Mar 19, 2009
Yoshikazu AZUMA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
COMMUNICATION APPARATUS
Publication number
20090070857
Publication date
Mar 12, 2009
Yoshikazu Azuma
G06 - COMPUTING CALCULATING COUNTING