Koichi Maezawa

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Toyama-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Digital microphone and position-to-frequency converter
- Patent number 9,503,811
- Issue date Nov 22, 2016
- Kabushiki Kaisha Audio Technica
- Koichi Maezawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Digital microphone
- Patent number 8,077,886
- Issue date Dec 13, 2011
- Kabushiki Kaisha Audio Technica
- Tetsuya Motobayashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Digital Microphone and Position-to-Frequency Converter
- Publication number 20150237442
- Publication date Aug 20, 2015
- KABUSHIKI KAISHA AUDIO-TECHNICA
- Koichi Maezawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DIGITAL MICROPHONE
- Publication number 20090232339
- Publication date Sep 17, 2009
- KABUSHIKI KAISHA AUDIO-TECHNICA
- Tetsuya MOTOBAYASHI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE