Kiyoyuki TOMIMATSU

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Hamamatsu-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Sound absorbing member, sound absorbing apparatus, and sound absorb...
- Patent number 12,073,817
- Issue date Aug 27, 2024
- Yamaha Corporation
- Kiyoyuki Tomimatsu
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Sound absorption structure
- Patent number 11,521,589
- Issue date Dec 6, 2022
- Yamaha Corporation
- Kiyoyuki Tomimatsu
- G10 - MUSICAL INSTRUMENTS ACOUSTICS

Patents Applicationslast 30 patents

Information Patent Application
STRING INSTRUMENT AND PICKUP
- Publication number 20250046273
- Publication date Feb 6, 2025
- Yamaha Corporation
- Yuki UEYA
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
Sound Absorbing Member, Sound Absorbing Apparatus, and Sound Absorb...
- Publication number 20210256948
- Publication date Aug 19, 2021
- Yamaha Corporation
- Kiyoyuki TOMIMATSU
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
Sound Absorption Structure
- Publication number 20200143787
- Publication date May 7, 2020
- Yamaha Corporation
- Kiyoyuki TOMIMATSU
- G10 - MUSICAL INSTRUMENTS ACOUSTICS