Kazuhiro Onizuka

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Data transmission device and data transmission system
- Patent number 12,184,447
- Issue date Dec 31, 2024
- Audio-Technica Corporation
- Kazuhiro Onizuka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Wireless earphone charger, wireless earphone and wireless earphone...
- Patent number 11,399,227
- Issue date Jul 26, 2022
- Audio-Technica Corporation
- Kazuhiro Onizuka
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Conference system
- Patent number 11,303,755
- Issue date Apr 12, 2022
- Audio-Technica Corporation
- Kazuhiro Onizuka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Sound signal processing device, sound signal processing method and...
- Patent number 11,227,618
- Issue date Jan 18, 2022
- Audio-Technica Corporation
- Kazuhiro Onizuka
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Conference system
- Patent number 10,791,156
- Issue date Sep 29, 2020
- Audio-Technica Corporation
- Kazuhiro Onizuka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Conference system
- Patent number 10,666,809
- Issue date May 26, 2020
- Audio-Technica Corporation
- Kazuhiro Onizuka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Noise detector and sound signal output device
- Patent number 10,157,603
- Issue date Dec 18, 2018
- Audio-Technica Corporation
- Yasuhito Kikuhara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Feedback detector and suppressor
- Patent number 5,677,987
- Issue date Oct 14, 1997
- Matsushita Electric Industrial Co., Ltd.
- Nobuyuki Seki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
DATA TRANSMISSION DEVICE AND DATA TRANSMISSION SYSTEM
- Publication number 20210351952
- Publication date Nov 11, 2021
- Audio-Technica Corporation
- Kazuhiro ONIZUKA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
WIRELESS EARPHONE CHARGER, WIRELESS EARPHONE AND WIRELESS EARPHONE...
- Publication number 20210289282
- Publication date Sep 16, 2021
- Kazuhiro ONIZUKA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Conference System
- Publication number 20200396338
- Publication date Dec 17, 2020
- Audio-Technica Corporation
- Kazuhiro ONIZUKA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SOUND SIGNAL PROCESSING DEVICE, SOUND SIGNAL PROCESSING METHOD AND...
- Publication number 20200105289
- Publication date Apr 2, 2020
- Audio-Technica Corporation
- Kazuhiro ONIZUKA
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
Conference System
- Publication number 20180220004
- Publication date Aug 2, 2018
- Audio-Technica Corporation
- Kazuhiro ONIZUKA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
NOISE DETECTOR AND SOUND SIGNAL OUTPUT DEVICE
- Publication number 20180197525
- Publication date Jul 12, 2018
- Audio-Technica Corporation
- Yasuhito KIKUHARA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
CONFERENCE SYSTEM
- Publication number 20180183842
- Publication date Jun 28, 2018
- Audio-Technica Corporation
- Kazuhiro ONIZUKA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Digital signal receiving apparatus
- Publication number 20020168029
- Publication date Nov 14, 2002
- Matsushita Electric Industrial Co. Ltd.
- Kazuhiro Onizuka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Sound retrieval apparatus, and sound data recording apparatus
- Publication number 20020049735
- Publication date Apr 25, 2002
- Izumi Matsumoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Kazuhiro Onizuka

Person

Patents Grantslast 30 patents

Data transmission device and data transmission system

Wireless earphone charger, wireless earphone and wireless earphone...

Conference system

Sound signal processing device, sound signal processing method and...

Conference system

Conference system

Noise detector and sound signal output device

Feedback detector and suppressor

Patents Applicationslast 30 patents

DATA TRANSMISSION DEVICE AND DATA TRANSMISSION SYSTEM

WIRELESS EARPHONE CHARGER, WIRELESS EARPHONE AND WIRELESS EARPHONE...

Conference System

SOUND SIGNAL PROCESSING DEVICE, SOUND SIGNAL PROCESSING METHOD AND...

Conference System

NOISE DETECTOR AND SOUND SIGNAL OUTPUT DEVICE

CONFERENCE SYSTEM

Digital signal receiving apparatus

Sound retrieval apparatus, and sound data recording apparatus