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Tokyo, JP
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Patents Grants
last 30 patents
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Patent Grant
Electrostatic electroacoustic transducer device, signal processing...
Patent number
11,589,161
Issue date
Feb 21, 2023
Audio-Technica Corporation
Koichi Irii
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Acoustic-electric transducer
Patent number
11,203,039
Issue date
Dec 21, 2021
Audio-Technica Corporation
Koichi Irii
B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
Information
Patent Grant
Electro-acoustic transducer and electro-acoustic conversion device
Patent number
11,076,222
Issue date
Jul 27, 2021
Audio-Technica Corporation
Koichi Irii
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Headset
Patent number
10,893,354
Issue date
Jan 12, 2021
Audio-Technica Corporation
Koichi Irii
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
CAPACITIVE-TYPE ELECTRO-ACOUSTIC TRANSDUCER
Publication number
20230019307
Publication date
Jan 19, 2023
Audio-Technica Corporation
Koichi IRII
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
ELECTROSTATIC ELECTROACOUSTIC TRANSDUCER DEVICE, SIGNAL PROCESSING...
Publication number
20210385576
Publication date
Dec 9, 2021
Audio-Technica Corporation
Koichi IRII
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
ACOUSTIC-ELECTRIC TRANSDUCER
Publication number
20200398310
Publication date
Dec 24, 2020
Audio-Technica Corporation
Koichi IRII
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
HEADSET
Publication number
20200280791
Publication date
Sep 3, 2020
Audio-Technica Corporation
Koichi IRII
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
ELECTRO-ACOUSTIC TRANSDUCER AND ELECTRO-ACOUSTIC CONVERSION DEVICE
Publication number
20200196047
Publication date
Jun 18, 2020
Audio-Technica Corporation
Koichi IRII
H04 - ELECTRIC COMMUNICATION TECHNIQUE