Masaaki Matsuba

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Shizuoka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Sound emitting device, electronic keyboard musical instrument and s...
- Patent number 11,252,502
- Issue date Feb 15, 2022
- Roland Corporation
- Masaaki Matsuba
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Electronic keyboard instrument and sound releasing method thereof
- Patent number 11,146,872
- Issue date Oct 12, 2021
- Roland Corporation
- Masaaki Matsuba
- G10 - MUSICAL INSTRUMENTS ACOUSTICS

Patents Applicationslast 30 patents

Information Patent Application
SOUND EMITTING DEVICE, ELECTRONIC KEYBOARD MUSICAL INSTRUMENT AND S...
- Publication number 20210168499
- Publication date Jun 3, 2021
- ROLAND CORPORATION
- Masaaki Matsuba
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
ELECTRONIC KEYBOARD INSTRUMENT AND SOUND RELEASING METHOD THEREOF
- Publication number 20200322705
- Publication date Oct 8, 2020
- ROLAND CORPORATION
- Masaaki Matsuba
- G10 - MUSICAL INSTRUMENTS ACOUSTICS