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Yoshiaki Nishikawa
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Information processing device, information processing system, data...
Patent number
12,027,884
Issue date
Jul 2, 2024
NEC Corporation
Yoshiaki Nishikawa
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Interference detection apparatus, interference detection method, an...
Patent number
12,009,879
Issue date
Jun 11, 2024
NEC Corporation
Yoshiaki Nishikawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Position estimation apparatus, position estimation method, program,...
Patent number
11,290,852
Issue date
Mar 29, 2022
NEC Corporation
Yoshiaki Nishikawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Communication quality evaluation device, communication quality eval...
Patent number
11,240,133
Issue date
Feb 1, 2022
NEC Corporation
Yoshiaki Nishikawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Communication system, receiving-side apparatus and transmission-sid...
Patent number
10,298,508
Issue date
May 21, 2019
NEC Corporation
Yoshiaki Nishikawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Communication device and control method of communication device
Patent number
10,171,366
Issue date
Jan 1, 2019
NEC Corporation
Yoshiaki Nishikawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Communication apparatus and communication method
Patent number
9,565,009
Issue date
Feb 7, 2017
NEC Corporation
Yoshiaki Nishikawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Contents playback apparatus, contents playback method, and computer...
Patent number
8,947,459
Issue date
Feb 3, 2015
NEC Corporation
Toru Osuga
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Call interlocking system, in-house control apparatus, and call inte...
Patent number
8,903,065
Issue date
Dec 2, 2014
NEC Corporation
Yoshiaki Nishikawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
INFORMATION PROCESSING DEVICE, INFORMATION PROCESSING SYSTEM, DATA...
Publication number
20230155422
Publication date
May 18, 2023
NEC Corporation
Yoshiaki Nishikawa
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
INTERFERENCE DETECTION APPARATUS, INTERFERENCE DETECTION METHOD, AN...
Publication number
20220385383
Publication date
Dec 1, 2022
NEC Corporation
Yoshiaki Nishikawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
SPATIAL DATA CREATING APPARATUS, SPATIAL DATA CREATING METHOD, AND...
Publication number
20220209875
Publication date
Jun 30, 2022
NEC Corporation
Yoshiaki Nishikawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
RADIO WAVE STRENGTH ESTIMATION DEVICE, POSITION ESTIMATION SYSTEM,...
Publication number
20210329478
Publication date
Oct 21, 2021
NEC Corporation
Yoshiaki Nishikawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
POSITION ESTIMATION APPARATUS, POSITION ESTIMATION METHOD, PROGRAM,...
Publication number
20210195377
Publication date
Jun 24, 2021
NEC Corporation
Yoshiaki Nishikawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
COMMUNICATION QUALITY EVALUATION DEVICE, COMMUNICATION QUALITY EVAL...
Publication number
20210092031
Publication date
Mar 25, 2021
NEC Corporation
Yoshiaki Nishikawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
COMMUNICATION SYSTEM, RECEIVING-SIDE APPARATUS AND TRANSMISSION-SID...
Publication number
20170048124
Publication date
Feb 16, 2017
NEC Corporation
Yoshiaki Nishikawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
COMMUNICATION DEVICE AND CONTROL METHOD OF COMMUNICATION DEVICE
Publication number
20160218984
Publication date
Jul 28, 2016
NEC Corporation
Yoshiaki Nishikawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
COMMUNICATION APPARATUS AND COMMUNICATION METHOD
Publication number
20150146636
Publication date
May 28, 2015
NEC Corporation
Yoshiaki Nishikawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
CALL INTERLOCKING SYSTEM, IN-HOUSE CONTROL APPARATUS, AND CALL INTE...
Publication number
20140037078
Publication date
Feb 6, 2014
NEC Corporation
Yoshiaki Nishikawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
CONTENTS PLAYBACK APPARATUS, CONTENTS PLAYBACK METHOD, AND COMPUTER...
Publication number
20120242700
Publication date
Sep 27, 2012
NEC Corporation
Toru OSUGA
G06 - COMPUTING CALCULATING COUNTING