Assignee
ALPHATHETA CORP
JP52 patents
Top patents by PatentIndex Score
USD905013SDec 15, 2020
Controller for digital audio player
ALPHATHETA CORP28 citations94
USD1051127SNov 12, 2024
Controller for digital audio player
ALPHATHETA CORP7 citations86
USD1026860SMay 14, 2024
Digital audio mixer
ALPHATHETA CORP10 citations86
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Digital audio player
ALPHATHETA CORP16 citations86
USD1003275SOct 31, 2023
Digital audio player
ALPHATHETA CORP6 citations85
USD978103SFeb 14, 2023
Speaker
ALPHATHETA CORP6 citations85
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Digital audio mixer
ALPHATHETA CORP12 citations85
US11386877B2Jul 12, 2022
Audio equipment and program for audio equipment
ALPHATHETA CORP8 citations84
USD910597SFeb 16, 2021
Controller for digital audio player
ALPHATHETA CORP14 citations84
USD998586SSep 12, 2023
Speaker
ALPHATHETA CORP8 citations83
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Digital audio player
ALPHATHETA CORP7 citations83
USD1031696SJun 18, 2024
Controller for digital audio player
ALPHATHETA CORP3 citations75
USD1013660SFeb 6, 2024
Controller for digital audio player
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Digital audio player with communication and mixing function
ALPHATHETA CORP3 citations74
USD991213SJul 4, 2023
Speaker
ALPHATHETA CORP4 citations73
USD966232SOct 11, 2022
Headphone
ALPHATHETA CORP4 citations73
USD965297SOct 4, 2022
Headphone case
ALPHATHETA CORP2 citations73
USD943660SFeb 15, 2022
Digital audio mixer
ALPHATHETA CORP4 citations73
USD1081617SJul 1, 2025
Headphone
ALPHATHETA CORP1 citations63
US12306657B2May 20, 2025
Rotating operation part and acoustic device
ALPHATHETA CORP0 citations63
USD1093342SSep 16, 2025
Speaker
ALPHATHETA CORP0 citations62
USD1082750SJul 8, 2025
Digital audio player with communication and mixing function
ALPHATHETA CORP0 citations62
USD1081611SJul 1, 2025
Turntable
ALPHATHETA CORP0 citations62
USD1051128SNov 12, 2024
Controller for digital audio player
ALPHATHETA CORP0 citations62
USD1026863SMay 14, 2024
Digital audio control equipment
ALPHATHETA CORP0 citations62
USD1020686SApr 2, 2024
Headphone
ALPHATHETA CORP1 citations62
USD1020754SApr 2, 2024
Controller for digital audio player
ALPHATHETA CORP1 citations62
USD1009035SDec 26, 2023
Controller for digital audio player
ALPHATHETA CORP1 citations62
USD1081624SJul 1, 2025
Audio mixer
ALPHATHETA CORP1 citations61
US12406645B2Sep 2, 2025
Audio device, audio device playback control method, and program
ALPHATHETA CORP0 citations60
US11347468B2May 31, 2022
Sound volume operation device
ALPHATHETA CORP0 citations59
US12147618B2Nov 19, 2024
Acoustic effect playback device having a rotary operator
ALPHATHETA CORP0 citations56
US12080262B2Sep 3, 2024
Musical piece analysis device, program, and musical piece analysis method
ALPHATHETA CORP0 citations56
US11205407B2Dec 21, 2021
Song analysis device and song analysis program
ALPHATHETA CORP0 citations56
US12517696B2Jan 6, 2026
Audio data processing device, audio data processing method, and program
ALPHATHETA CORP0 citations55
US11863141B2Jan 2, 2024
Audio equipment including rotary operation unit, operation detecting section, power supplying section, and monitoring section
ALPHATHETA CORP0 citations55
US12210798B2Jan 28, 2025
Acoustic device including display panel and touch panel and applying effect to input audio based on touch operation on touch panel, and operation method and operation program therefor
ALPHATHETA CORP0 citations53
US11991422B2May 21, 2024
Acoustic device, display control method, and display control program
ALPHATHETA CORP0 citations52
US12437941B2Oct 7, 2025
Rotary operator and audio device
ALPHATHETA CORP0 citations50
US12379892B2Aug 5, 2025
Audio signal processing device, audio signal processing method, and program
ALPHATHETA CORP0 citations50
US11934738B2Mar 19, 2024
Acoustic device and music piece reproduction program
ALPHATHETA CORP0 citations48
US11218791B2Jan 4, 2022
Headphone
ALPHATHETA CORP0 citations47
US11176915B2Nov 16, 2021
Song analysis device and song analysis program
ALPHATHETA CORP0 citations46
US11960666B2Apr 16, 2024
Acoustic device
ALPHATHETA CORP0 citations45
US11817128B2Nov 14, 2023
Music data editing device and music data editing program
ALPHATHETA CORP0 citations45
US10923151B2Feb 16, 2021
Illumination control device, illumination control method and illumination control program
ALPHATHETA CORP0 citations45
US12512084B2Dec 30, 2025
Sound device, program, and control method
ALPHATHETA CORP0 citations44
US12531041B2Jan 20, 2026
Reproduction control device, program, and reproduction control method
ALPHATHETA CORP0 citations41
US12153786B2Nov 26, 2024
Audio device, program, and playback control method
ALPHATHETA CORP0 citations41
US12020672B2Jun 25, 2024
Audio equipment
ALPHATHETA CORP0 citations41
Showing the top 50 of 52 patents by PatentIndex Score.