Kouki HAYAFUCHI

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Hamamatsu-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Musical instrument practice system, playing practice implementation...
- Patent number 10,614,727
- Issue date Apr 7, 2020
- Yamaha Corporation
- Yasuhiko Asahi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Musical performance assistance device and method
- Patent number 10,403,166
- Issue date Sep 3, 2019
- Yamaha Corporation
- Kouki Hayafuchi
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Patents Applicationslast 30 patents

Information Patent Application
MUSICAL INSTRUMENT PRACTICE SYSTEM, PLAYING PRACTICE IMPLEMENTATION...
- Publication number 20190147762
- Publication date May 16, 2019
- Yamaha Corporation
- Yasuhiko ASAHI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
MUSICAL PERFORMANCE ASSISTANCE DEVICE AND METHOD
- Publication number 20180158358
- Publication date Jun 7, 2018
- Yamaha Corporation
- Kouki HAYAFUCHI
- G10 - MUSICAL INSTRUMENTS ACOUSTICS