Eri HIRAI

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Hamamatsu-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Tone bar woody material, tone bar percussion instrument, and produc...
- Patent number 10,453,433
- Issue date Oct 22, 2019
- Yamaha Corporation
- Eri Hirai
- B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
Information Patent Grant
Acoustic material and musical instrument
- Patent number 10,195,828
- Issue date Feb 5, 2019
- Yamaha Corporation
- Toshihisa Yamazaki
- B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
Information Patent Grant
Acoustic material and musical instrument
- Patent number 10,137,670
- Issue date Nov 27, 2018
- Yamaha Corporation
- Toshihisa Yamazaki
- B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...

Patents Applicationslast 30 patents

Information Patent Application
SOUND BAR AND PERCUSSION INSTRUMENT
- Publication number 20240038204
- Publication date Feb 1, 2024
- Yamaha Corporation
- Eri HIRAI
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
SOUND BAR AND PERCUSSION INSTRUMENT
- Publication number 20240013753
- Publication date Jan 11, 2024
- Yamaha Corporation
- Ichiro OSUGA
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
TONE PLATE AND PERCUSSION INSTRUMENT
- Publication number 20240005895
- Publication date Jan 4, 2024
- Yamaha Corporation
- Yuichi TADANO
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
TONE BAR WOODY MATERIAL, TONE BAR PERCUSSION INSTRUMENT, AND PRODUC...
- Publication number 20180122343
- Publication date May 3, 2018
- Yamaha Corporation
- Eri HIRAI
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
Acoustic Material and Musical Instrument
- Publication number 20170197388
- Publication date Jul 13, 2017
- Yamaha Corporation
- Toshihisa YAMAZAKI
- B32 - LAYERED PRODUCTS