Hideki Kojima

Image display device and projector

ELECTROSTATIC TYPE ULTRASONIC TRANSDUCER, ELECTROSTATIC TYPE TRANSDUCER, ULTRASONIC SPEAKER, SPEAKER ARRANGEMENT, AUDIO SIGNAL PLAYBACK METHOD USING ELECTROSTATIC TYPE ULTRASONIC TRANSDUCER, DIRECTIONAL ACOUSTIC SYSTEM, AND DISPLAY DEVICE

FLUID EJECTION DEVICE, DRIVING METHOD OF FLUID EJECTION DEVICE, AND OPERATING INSTRUMENT

Illumination device, image display device, and projector

ELECTROSTATIC ULTRASONIC TRANSDUCER, METHOD OF MANUFACTURING ELECTROSTATIC ULTRASONIC TRANSDUCER, ULTRASONIC SPEAKER, METHOD OF REPRODUCING SOUND SIGNAL, AND SUPER-DIRECTIVITY SOUND SYSTEM, AND DISPLAY DEVICE

FLUID EJECTION DEVICE, FLUID EJECTION METHOD, AND MEDICAL APPARATUS

Pulsating flow generating apparatus and method of controlling pulsating flow generating apparatus

Fluid ejection device and method to control fluid ejection device

FLUID EJECTION DEVICE, FLUID EJECTION METHOD AND FLUID EJECTION SURGICAL INSTRUMENT

Fluid ejection device and medical apparatus