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Yohei KATAYAMA
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Wireless terminal accommodation determination apparatus, wireless t...
Patent number
11,785,475
Issue date
Oct 10, 2023
Nippon Telegraph and Telephone Corporation
Kazumitsu Sakamoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wireless communication system, control method, control apparatus, a...
Patent number
11,765,640
Issue date
Sep 19, 2023
Nippon Telegraph and Telephone Corporation
Yohei Katayama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Communication control device, communication control method and comm...
Patent number
11,617,070
Issue date
Mar 28, 2023
Nippon Telegraph and Telephone Corporation
Atsushi Taniguchi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wireless communication system, communication method, transmitter an...
Patent number
11,582,766
Issue date
Feb 14, 2023
Nippon Telegraph and Telephone Corporation
Hideya So
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wireless communication method, control device, terminal and wireles...
Patent number
11,546,868
Issue date
Jan 3, 2023
Nippon Telegraph and Telephone Corporation
Yohei Katayama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wireless communication system, control method, control apparatus, a...
Patent number
11,528,726
Issue date
Dec 13, 2022
Nippon Telegraph and Telephone Corporation
Yohei Katayama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Monitoring system
Patent number
11,477,099
Issue date
Oct 18, 2022
Nippon Telegraph and Telephone Corporation
Yohei Katayama
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Wireless communication method, wireless communication device and wi...
Patent number
11,438,890
Issue date
Sep 6, 2022
Nippon Telegraph and Telephone Corporation
Yohei Katayama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Environment information acquisition method, environment information...
Patent number
11,432,179
Issue date
Aug 30, 2022
Nippon Telegraph and Telephone Corporation
Maiko Naya
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wireless communication method, control device and wireless communic...
Patent number
11,419,113
Issue date
Aug 16, 2022
Nippon Telegraph and Telephone Corporation
Yohei Katayama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Access point management method, access point management apparatus,...
Patent number
11,412,445
Issue date
Aug 9, 2022
Nippon Telegraph and Telephone Corporation
Takahiro Yamazaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wireless communication method, wireless communication system and ba...
Patent number
11,395,324
Issue date
Jul 19, 2022
Nippon Telegraph and Telephone Corporation
Yohei Katayama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
WIRELESS COMMUNICATION SYSTEM, WIRELESS COMMUNICATION METHOD AND TE...
Publication number
20230397114
Publication date
Dec 7, 2023
Nippon Telegraph and Telephone Corporation
Kento Yoshizawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
WIRELESS COMMUNICATION SYSTEM, WIRELESS COMMUNICATION METHOD AND TE...
Publication number
20230379821
Publication date
Nov 23, 2023
Nippon Telegraph and Telephone Corporation
Kento Yoshizawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
PHASE DIFFERENCE DISTRIBUTION ESTIMATION METHOD AND PHASE DIFFERENC...
Publication number
20230291471
Publication date
Sep 14, 2023
Nippon Telegraph and Telephone Corporation
Yohei KATAYAMA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
COMMUNICATION APPARATUS AND OPTICAL COMMUNICATION SYSTEM
Publication number
20230291479
Publication date
Sep 14, 2023
Nippon Telegraph and Telephone Corporation
Yohei KATAYAMA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL WIRELESS COMMUNICATION DEVICE AND OPTICAL WIRELESS COMMUNIC...
Publication number
20230224036
Publication date
Jul 13, 2023
Nippon Telegraph and Telephone Corporation
Kazumitsu SAKAMOTO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL WIRELESS COMMUNICATION SYSTEM AND OPTICAL WIRELESS COMMUNIC...
Publication number
20230208521
Publication date
Jun 29, 2023
Nippon Telegraph and Telephone Corporation
Kazumitsu SAKAMOTO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
CONTROL APPARATUS, WIRELESS COMMUNICATION SYSTEM, COMMUNICATION CON...
Publication number
20220386180
Publication date
Dec 1, 2022
Nippon Telegraph and Telephone Corporation
Yohei KATAYAMA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
STATION PLACEMENT DESIGNING APPARATUS, STATION PLACEMENT DESIGNING...
Publication number
20220322212
Publication date
Oct 6, 2022
Nippon Telegraph and Telephone Corporation
Kazumitsu SAKAMOTO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
STATION PLACEMENT DESIGNING ASSISTANCE APPARATUS, STATION PLACEMENT...
Publication number
20220240100
Publication date
Jul 28, 2022
Nippon Telegraph and Telephone Corporation
Kazumitsu SAKAMOTO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
STATION PLACEMENT DESIGNING ASSISTANCE APPARATUS, STATION PLACEMENT...
Publication number
20220240101
Publication date
Jul 28, 2022
Nippon Telegraph and Telephone Corporation
Kazumitsu SAKAMOTO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
COMMUNICATION CONTROL APPARATUS, COMMUNICATION CONTROL METHOD AND P...
Publication number
20220225336
Publication date
Jul 14, 2022
Nippon Telegraph and Telephone Corporation
Yohei KATAYAMA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
ARRIVAL RATE ESTIMATION APPARATUS, ARRIVAL RATE ESTIMATION METHOD A...
Publication number
20220174520
Publication date
Jun 2, 2022
Nippon Telegraph and Telephone Corporation
Kazumitsu SAKAMOTO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
MONITORING SYSTEM
Publication number
20220131778
Publication date
Apr 28, 2022
Nippon Telegraph and Telephone Corporation
Yohei Katayama
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
WIRELESS TERMINAL ACCOMMODATION DETERMINATION APPARATUS, WIRELESS T...
Publication number
20220132357
Publication date
Apr 28, 2022
Nippon Telegraph and Telephone Corporation
Kazumitsu SAKAMOTO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
LEARNING APPARATUS, LEARNING METHOD AND COMPUTER PROGRAM
Publication number
20210295214
Publication date
Sep 23, 2021
Nippon Telegraph and Telephone Corporation
Yohei KATAYAMA
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
WIRELESS COMMUNICATION SYSTEM, COMMUNICATION METHOD, TRANSMITTER AN...
Publication number
20210282154
Publication date
Sep 9, 2021
Nippon Telegraph and Telephone Corporation
Hideya SO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
WIRELESS COMMUNICATION SYSTEM, CONTROL METHOD, CONTROL APPARATUS, A...
Publication number
20210274421
Publication date
Sep 2, 2021
Nippon Telegraph and Telephone Corporation
Yohei KATAYAMA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
WIRELESS COMMUNICATION METHOD, CONTROL DEVICE, TERMINAL AND WIRELES...
Publication number
20210274456
Publication date
Sep 2, 2021
Nippon Telegraph and Telephone Corporation
Yohei KATAYAMA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
WIRELESS COMMUNICATION SYSTEM, CONTROL METHOD, CONTROL APPARATUS, A...
Publication number
20210235470
Publication date
Jul 29, 2021
Nippon Telegraph and Telephone Corporation
Yohei KATAYAMA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
WIRELESS COMMUNICATION METHOD, CONTROL DEVICE AND WIRELESS COMMUNIC...
Publication number
20210227538
Publication date
Jul 22, 2021
Nippon Telegraph and Telephone Corporation
Yohei KATAYAMA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
WIRELESS COMMUNICATION METHOD, WIRELESS COMMUNICATION SYSTEM AND BA...
Publication number
20210160914
Publication date
May 27, 2021
Nippon Telegraph and Telephone Corporation
Yohei KATAYAMA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
WIRELESS COMMUNICATION METHOD, WIRELESS COMMUNICATION DEVICE AND WI...
Publication number
20210112549
Publication date
Apr 15, 2021
Nippon Telegraph and Telephone Corporation
Yohei KATAYAMA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
ENVIRONMENT INFORMATION ACQUISITION METHOD, ENVIRONMENT INFORMATION...
Publication number
20210092628
Publication date
Mar 25, 2021
Nippon Telegraph and Telephone Corporation
Maiko NAYA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
COMMUNICATION CONTROL DEVICE, COMMUNICATION CONTROL METHOD AND COMM...
Publication number
20210037371
Publication date
Feb 4, 2021
Nippon Telegraph and Telephone Corporation
Atsushi TANIGUCHI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
ACCESS POINT MANAGEMENT METHOD, ACCESS POINT MANAGEMENT APPARATUS,...
Publication number
20210029630
Publication date
Jan 28, 2021
Nippon Telegraph and Telephone Corporation
Takahiro YAMAZAKI
H04 - ELECTRIC COMMUNICATION TECHNIQUE