Mikio MURAMATSU

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Hamamatsu-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Sound processing method, remote conversation method, sound processi...
- Patent number 11,259,116
- Issue date Feb 22, 2022
- Yamaha Corporation
- Satoshi Ukai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Sound pickup device and sound pickup method
- Patent number 10,979,839
- Issue date Apr 13, 2021
- Yamaha Corporation
- Satoshi Ukai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Gain adjustment device, remote conversation device, and gain adjust...
- Patent number 10,893,358
- Issue date Jan 12, 2021
- Yamaha Corporation
- Satoshi Ukai
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Sound pickup device and sound pickup method
- Patent number 10,873,810
- Issue date Dec 22, 2020
- Yamaha Corporation
- Tetsuto Kawai
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Sound pickup device and sound pickup method
- Patent number 10,841,695
- Issue date Nov 17, 2020
- Yamaha Corporation
- Tetsuto Kawai
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Signal processing apparatus, speaker apparatus, and signal processi...
- Patent number 10,418,956
- Issue date Sep 17, 2019
- Yamaha Corporation
- Satoshi Ukai
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
SOUND PROCESSING METHOD, REMOTE CONVERSATION METHOD, SOUND PROCESSI...
- Publication number 20200128323
- Publication date Apr 23, 2020
- Yamaha Corporation
- Satoshi UKAI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
GAIN ADJUSTMENT DEVICE, REMOTE CONVERSATION DEVICE, AND GAIN ADJUST...
- Publication number 20200120420
- Publication date Apr 16, 2020
- Yamaha Corporation
- Satoshi UKAI
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Sound Pickup Device and Sound Pickup Method
- Publication number 20200021932
- Publication date Jan 16, 2020
- Yamaha Corporation
- Satoshi UKAI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SOUND PICKUP DEVICE AND SOUND PICKUP METHOD
- Publication number 20200015010
- Publication date Jan 9, 2020
- Yamaha Corporation
- Tetsuto KAWAI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Signal Processing Apparatus, Speaker Apparatus, and Signal Processi...
- Publication number 20180152159
- Publication date May 31, 2018
- Yamaha Corporation
- Satoshi UKAI
- H03 - BASIC ELECTRONIC CIRCUITRY