Inventor
MAEZAWA AKIRA
JP41 patents
Patents
41 patentsUS11967302B2Apr 23, 2024
Information processing device for musical score data
YAMAHA CORP3 citations74
US11348561B2May 31, 2022
Performance control method, performance control device, and program
YAMAHA CORP6 citations74
US11609736B2Mar 21, 2023
Audio processing system, audio processing method and recording medium
YAMAHA CORP2 citations73
US10846519B2Nov 24, 2020
Control system and control method
YAMAHA CORP2 citations73
US10580393B2Mar 3, 2020
Apparatus for analyzing musical performance, performance analysis method, automatic playback method, and automatic player system
YAMAHA CORP3 citations73
US10366684B2Jul 30, 2019
Information providing method and information providing device
YAMAHA CORP3 citations73
US9478200B2Oct 25, 2016
Mapping estimation apparatus
YAMAHA CORP4 citations73
US10325513B2Jun 18, 2019
Musical performance assistance apparatus and method
YAMAHA CORP2 citations71
US11557269B2Jan 17, 2023
Information processing method
YAMAHA CORP2 citations66
US12437737B2Oct 7, 2025
Performance analysis method and performance analysis device
YAMAHA CORP0 citations62
US12119885B2Oct 15, 2024
Signal processing method, signal processing device, and recording medium
YAMAHA CORP0 citations62
US11830462B2Nov 28, 2023
Information processing device for data representing motion
YAMAHA CORP0 citations62
US11600252B2Mar 7, 2023
Performance analysis method
YAMAHA CORP1 citations62
US11557270B2Jan 17, 2023
Performance analysis method and performance analysis device
YAMAHA CORP0 citations62
US11488567B2Nov 1, 2022
Information processing method and apparatus for processing performance of musical piece
YAMAHA CORP0 citations62
US10235980B2Mar 19, 2019
Automatic performance system, automatic performance method, and sign action learning method
YAMAHA CORP1 citations62
US9171532B2Oct 27, 2015
Sound signal analysis apparatus, sound signal analysis method and sound signal analysis program
YAMAHA CORP3 citations62
US9087501B2Jul 21, 2015
Sound signal analysis apparatus, sound signal analysis method and sound signal analysis program
YAMAHA CORP3 citations62
US11869465B2Jan 9, 2024
Musical performance analysis method and musical performance analysis apparatus
YAMAHA CORP0 citations60
US12142250B2Nov 12, 2024
Image control system and method for controlling image
YAMAHA CORP0 citations54
US12451108B2Oct 21, 2025
Musical performance correction method and musical performance correction device
YAMAHA CORP0 citations52
US12367854B2Jul 22, 2025
Performance agent training method, automatic performance system, and program
YAMAHA CORP0 citations52
US12327540B2Jun 10, 2025
Reproduction control method, reproduction control system, and reproduction control apparatus
YAMAHA CORP0 citations52
US11837205B2Dec 5, 2023
Musical analysis method and music analysis device
YAMAHA CORP0 citations52
US11568244B2Jan 31, 2023
Information processing method and apparatus
YAMAHA CORP0 citations52
US11328699B2May 10, 2022
Musical analysis method, music analysis device, and program
YAMAHA CORP0 citations52
US10891966B2Jan 12, 2021
Audio processing method and audio processing device for expanding or compressing audio signals
YAMAHA CORP0 citations52
US10699685B2Jun 30, 2020
Timing prediction method and timing prediction device
YAMAHA CORP0 citations52
US10665216B2May 26, 2020
Control method and controller
YAMAHA CORP0 citations52
US10650794B2May 12, 2020
Timing control method and timing control device
YAMAHA CORP0 citations52
US10636399B2Apr 28, 2020
Control method and control device
YAMAHA CORP0 citations52
US10629177B2Apr 21, 2020
Sound signal processing method and sound signal processing device
YAMAHA CORP0 citations52
US10482856B2Nov 19, 2019
Automatic performance system, automatic performance method, and sign action learning method
YAMAHA CORP0 citations52
US12462778B2Nov 4, 2025
Signal processing device, signal processing system, and signal processing method
YAMAHA CORP0 citations51
US9953545B2Apr 24, 2018
Musical-performance-information transmission method and musical-performance-information transmission system
YAMAHA CORP1 citations49
US12249305B2Mar 11, 2025
Information processing method, information processing device and a non-transitory storage medium
YAMAHA CORP0 citations41
US10810986B2Oct 20, 2020
Audio analysis method and audio analysis device
YAMAHA CORP0 citations41
US10720132B2Jul 21, 2020
Performance control method and performance control device
YAMAHA CORP0 citations41
US10586520B2Mar 10, 2020
Music data processing method and program
YAMAHA CORP0 citations41
US10156973B2Dec 18, 2018
Score displaying method and storage medium
YAMAHA CORP0 citations40
US9940914B2Apr 10, 2018
Score displaying method and storage medium
YAMAHA CORP0 citations40