Yoshikazu Maeda

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Iwaki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Speaker device and microphone device
- Patent number 10,149,059
- Issue date Dec 4, 2018
- Alpine Electronics, Inc.
- Yoshikazu Maeda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Audio control device
- Patent number 10,034,090
- Issue date Jul 24, 2018
- Alpine Electronics, Inc.
- Yoshikazu Maeda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
SPEAKER DEVICE AND MICROPHONE DEVICE
- Publication number 20180077496
- Publication date Mar 15, 2018
- Alpine Electronics, Inc.
- Yoshikazu Maeda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
AUDIO CONTROL DEVICE
- Publication number 20180063639
- Publication date Mar 1, 2018
- ALPINE ELECTRONICS, INC.
- Yoshikazu Maeda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE