Inventor

OBA YASUHIKO

JP37 patents

⚠️ This page may combine multiple inventors who share the name “OBA YASUHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

OBA YASUHIKO

YAMAHA CORP

Position transducer system with built-in calibrator for moving object, method for accurately determining position of moving object and keyboard musical instrument equipped with the position transducer system

Keyboard musical instrument faithfully reproducing original performance without complicated tuning and music data generating system incorporated therein

Velocity calculating system for moving object widely varied in velocity method for correcting velocity and keyboard musical instrument equipped with the velocity calculating system for accurately determining loudness of sounds

Data converter for producing individual music data from standard music data on the basis of the individuality of an automatic player piano learned before conversion

Keyboard musical instrument equipped with dummy key/hammer event supplementing system

Automatic player piano exactly reproducing special touches

Automatic player piano exactly reproducing half stroke in playback

Automatic player piano and estimator for acceleration of depressed key incorporated in the automatic player piano

Musical tune playback apparatus

Sound controller incorporated in acoustic musical instrument for controlling qualities of sound

Released key velocity estimator, method used therein and information storage medium storing program sequence for it

Player piano reproducing special performance techniques using information based on musical instrumental digital interface standards

Synthetic recording device in an automatic performance piano

Vibration detection mechanism and vibration sensor unit

Signal supply device, keyboard device and non-transitory computer-readable storage medium

Signal supply device, keyboard device and non-transitory computer-readable storage medium

Actuator control in automatic performance of musical instrument

Method and apparatus for identifying half pedal region in keyboard musical instrument

Musical performance apparatus

Automatic player piano exactly reproducing acoustic sound produced under manipulation of sostenuto pedal

Electronic musical instrument

Performance operator control apparatus

Design for solenoid driving circuit based on regulations of current ripple and solenoid effective time constant for driving keys of a player piano

Signal processing device and signal processing method

Simulating muting in a drive control device for striking member in sound generation mechanism

Sound signal generation device, keyboard instrument and sound signal generation method

Sound source, keyboard musical instrument, and method for generating sound signal

Data generation device and non-transitory computer-readable storage medium

Sound output device and non-transitory computer-readable storage medium

Damper drive device for musical instrument, and musical instrument

Keyboard musical instrument, and method for recording half performance of pedal or key damper on keyboard musical instrument

Method and device for identifying half point of pedal on keyboard musical instrument

Keyboard musical instrument, adjusting method thereof, and computer-readable recording medium therefor

Keyboard musical instrument, method of controlling actuator in the keyboard musical instrument, and non-transitory recording medium storing program for controlling the actuator

Musical instrument equipped with a pedal, and method therefor

Drive mechanism of lifting rail for musical instrument and musical instrument including the same

OBA YASUHIKO

Keyboard musical instrument, program, performance data conversion program and device