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Yokosuka-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Oam multiplexing communication system and inter-mode interference e...
Patent number
11,811,143
Issue date
Nov 7, 2023
Nippon Telegraph and Telephone Corporation
Hirofumi Sasaki
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
OAM multiplexing communication system and OAM multiplexing communic...
Patent number
11,411,325
Issue date
Aug 9, 2022
Nippon Telegraph and Telephone Corporation
Doohwan Lee
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Wireless communication device and wireless communication method
Patent number
11,323,165
Issue date
May 3, 2022
Nippon Telegraph and Telephone Corporation
Hirofumi Sasaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
OAM multiplexing communication system and inter-mode interference e...
Patent number
11,228,363
Issue date
Jan 18, 2022
Nippon Telegraph and Telephone Corporation
Hirofumi Sasaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
OAM multiplexing communication system and OAM multiplexing communic...
Patent number
11,202,211
Issue date
Dec 14, 2021
Nippon Telegraph and Telephone Corporation
Hirofumi Sasaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Circuit and wireless device
Patent number
11,201,397
Issue date
Dec 14, 2021
Nippon Telegraph and Telephone Corporation
Takana Kaho
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Antenna displacement correction method and device for OAM multiplex...
Patent number
11,139,867
Issue date
Oct 5, 2021
Nippon Telegraph and Telephone Corporation
Hirofumi Sasaki
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
OAM multiplexing communication system and inter-mode interference c...
Patent number
11,018,749
Issue date
May 25, 2021
Nippon Telegraph and Telephone Corporation
Hirofumi Sasaki
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
OAM multiplexing communication system, OAM multiplexing transmissio...
Patent number
10,873,376
Issue date
Dec 22, 2020
Nippon Telegraph and Telephone Corporation
Doohwan Lee
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Receiver
Patent number
9,136,893
Issue date
Sep 15, 2015
Nippon Telegraph and Telephone Corporation
Takana Kaho
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
RADIO COMMUNICATION SYSTEM, TRANSMISSION APPARATUS AND RECEPTION AP...
Publication number
20240333345
Publication date
Oct 3, 2024
Nippon Telegraph and Telephone Corporation
Tomoya KAGEYAMA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
TRANSMISSION APPARATUS AND TRANSMISSION METHOD
Publication number
20240322452
Publication date
Sep 26, 2024
Nippon Telegraph and Telephone Corporation
Takayuki YAMADA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
TRANSMISSION APPARATUS AND TRANSMISSION METHOD
Publication number
20240322453
Publication date
Sep 26, 2024
Nippon Telegraph and Telephone Corporation
Takayuki YAMADA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
BUTLER MATRIX CIRCUIT
Publication number
20240047841
Publication date
Feb 8, 2024
Nippon Telegraph and Telephone Corporation
Hirofumi SASAKI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
WAVEGUIDE
Publication number
20240047843
Publication date
Feb 8, 2024
Nippon Telegraph and Telephone Corporation
Hirofumi SASAKI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
WAVEGUIDE
Publication number
20240039137
Publication date
Feb 1, 2024
Nippon Telegraph and Telephone Corporation
Hirofumi SASAKI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
TRANSMISSION APPARATUS AND SIGNAL TRANSMISSION METHOD
Publication number
20240014553
Publication date
Jan 11, 2024
Nippon Telegraph and Telephone Corporation
Takayuki YAMADA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
RECEPTION APPARATUS, AND RECEPTION METHOD
Publication number
20230412243
Publication date
Dec 21, 2023
Nippon Telegraph and Telephone Corporation
Doohwan LEE
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
WIRELESS COMMUNICATION DEVICE AND WIRELESS COMMUNICATION METHOD
Publication number
20210211168
Publication date
Jul 8, 2021
Nippon Telegraph and Telephone Corporation
Hirofumi SASAKI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OAM MULTIPLEXING COMMUNICATION SYSTEM AND INTER-MODE INTERFERENCE C...
Publication number
20210111781
Publication date
Apr 15, 2021
Nippon Telegraph and Telephone Corporation
Hirofumi SASAKI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
ANTENNA DISPLACEMENT CORRECTION METHOD AND DEVICE FOR OAM MULTIPLEX...
Publication number
20210058118
Publication date
Feb 25, 2021
Nippon Telegraph and Telephone Corporation
Hirofumi SASAKI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
CIRCUIT AND WIRELESS DEVICE
Publication number
20210044014
Publication date
Feb 11, 2021
Nippon Telegraph and Telephone Corporation
Takana KAHO
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
OAM MULTIPLEXING COMMUNICATION SYSTEM AND INTER-MODE INTERFERENCE E...
Publication number
20210021053
Publication date
Jan 21, 2021
Nippon Telegraph and Telephone Corporation
Hirofumi SASAKI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
OAM MULTIPLEXING COMMUNICATION SYSTEM AND OAM MULTIPLEXING COMMUNIC...
Publication number
20200313307
Publication date
Oct 1, 2020
Nippon Telegraph and Telephone Corporation
Doohwan LEE
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
OAM MULTIPLEXING COMMUNICATION SYSTEM, OAM MULTIPLEXING TRANSMISSIO...
Publication number
20200304180
Publication date
Sep 24, 2020
Nippon Telegraph and Telephone Corporation
Doohwan LEE
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OAM MULTIPLEXING COMMUNICATION SYSTEM AND OAM MULTIPLEXING COMMUNIC...
Publication number
20200296599
Publication date
Sep 17, 2020
Nippon Telegraph and Telephone Corporation
Hirofumi SASAKI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OAM MULTIPLEXING COMMUNICATION SYSTEM AND INTER-MODE INTERFERENCE E...
Publication number
20200228195
Publication date
Jul 16, 2020
Nippon Telegraph and Telephone Corporation
Hirofumi SASAKI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
RECEIVER
Publication number
20120281718
Publication date
Nov 8, 2012
Nippon Telegraph and Telephone Corporation
Takana Kaho
H04 - ELECTRIC COMMUNICATION TECHNIQUE