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Hiroyuki Shiba
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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
Interference source searching method and interference source search...
Patent number
11,733,344
Issue date
Aug 22, 2023
Nippon Telegraph and Telephone Corporation
Kohei Suzaki
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Control apparatus, control system and control method
Patent number
11,605,181
Issue date
Mar 14, 2023
Nippon Telegraph and Telephone Corporation
Kohei Suzaki
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Mobile station control method and mobile station control apparatus
Patent number
11,601,823
Issue date
Mar 7, 2023
Nippon Telegraph and Telephone Corporation
Kohei Suzaki
B64 - AIRCRAFT AVIATION COSMONAUTICS
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
Method and system in a wireless communications for estimating quali...
Patent number
11,399,376
Issue date
Jul 26, 2022
Nippon Telegraph and Telephone Corporation
Kohei Suzaki
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Prorogation environment recognition method and propagation environm...
Patent number
11,349,583
Issue date
May 31, 2022
Nippon Telegraph and Telephone Corporation
Ryo Miyatake
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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
Radio environment estimation method and radio environment estimatio...
Patent number
11,277,214
Issue date
Mar 15, 2022
Nippon Telegraph and Telephone Corporation
Ryo Miyatake
G01 - MEASURING TESTING
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
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 ENVIRONMENT ESTIMATION METHOD AND RADIO ENVIRONMENT ESTIMATIO...
Publication number
20210367691
Publication date
Nov 25, 2021
Nippon Telegraph and Telephone Corporation
Ryo MIYATAKE
G01 - MEASURING TESTING
Information
Patent Application
PROPOGATION ENVIRONMENT RECOGNITION METHOD AND PROPAGATION ENVIRONM...
Publication number
20210250110
Publication date
Aug 12, 2021
Nippon Telegraph and Telephone Corporation
Ryo MIYATAKE
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
INTERFERENCE SOURCE SEARCHING METHOD AND INTERFERENCE SOURCE SEARCH...
Publication number
20210239785
Publication date
Aug 5, 2021
Nippon Telegraph and Telephone Corporation
Kohei SUZAKI
G06 - COMPUTING CALCULATING COUNTING
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
MOBILE STATION CONTROL METHOD AND MOBILE STATION CONTROL APPARATUS
Publication number
20210160707
Publication date
May 27, 2021
Nippon Telegraph and Telephone Corporation
Kohei Suzaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
CONTROL APPARATUS, CONTROL SYSTEM AND CONTROL METHOD
Publication number
20210134005
Publication date
May 6, 2021
Nippon Telegraph and Telephone Corporation
Kohei SUZAKI
G06 - COMPUTING CALCULATING COUNTING
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
WIRELESS COMMUNICATION SYSTEM, WIRELESS COMMUNICATION METHOD, BASE...
Publication number
20210051678
Publication date
Feb 18, 2021
Nippon Telegraph and Telephone Corporation
Kohei SUZAKI
G06 - COMPUTING CALCULATING COUNTING
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