Inventor

IRII KOICHI

JP8 patents

Patents

8 patents

USD597075SJul 28, 2009

Speaker

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US12096182B2Sep 17, 2024

Capacitive-type electro-acoustic transducer

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US11076222B2Jul 27, 2021

Electro-acoustic transducer and electro-acoustic conversion device

AUDIO TECHNICA KK4 citations71

US10893354B2Jan 12, 2021

Headset

AUDIO TECHNICA KK2 citations68

US11589161B2Feb 21, 2023

Electrostatic electroacoustic transducer device, signal processing circuit for electrostatic electroacoustic transducer, signal processing method, and signal processing

AUDIO TECHNICA KK0 citations61

US12538069B2Jan 27, 2026

Earphone

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US12593175B2Mar 31, 2026

Electro-acoustic transducer

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US11203039B2Dec 21, 2021

Acoustic-electric transducer

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