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Ryoji HIRAI
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Chiba, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Interference detection and interference suppression of reverse link...
Patent number
11,641,234
Issue date
May 2, 2023
HAPSMobile Inc.
Ryoji Hirai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Control device, program, control method, and flight vehicle
Patent number
11,171,715
Issue date
Nov 9, 2021
HAPSMobile Inc.
Ryoji Hirai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
CONTROL DEVICE, SYSTEM, COMPUTER-READABLE STORAGE MEDIUM, AND CONTR...
Publication number
20230075260
Publication date
Mar 9, 2023
HAPSMobile Inc.
Ryoji HIRAI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
INTERFERENCE DETECTION AND INTERFERENCE SUPPRESSION OF REVERSE LINK...
Publication number
20220209845
Publication date
Jun 30, 2022
HAPSMobile Inc.
Ryoji Hirai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
DETECTION OF INTERFERENCE BETWEEN MUTLIFEEDER LINKS IN HAPS COMMUNI...
Publication number
20220182132
Publication date
Jun 9, 2022
HAPSMobile Inc.
Ryoji Hirai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
CONTROL DEVICE, PROGRAM, CONTROL METHOD, AND FLIGHT VEHICLE
Publication number
20210203408
Publication date
Jul 1, 2021
HAPSMobile Inc.
Ryoji HIRAI
H04 - ELECTRIC COMMUNICATION TECHNIQUE