Akira Takayasu

Follow

Person

Kakamigahara, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Sound absorbing material
- Patent number 7,694,779
- Issue date Apr 13, 2010
- Takayasu Co., Ltd.
- Akira Takayasu
- G10 - MUSICAL INSTRUMENTS ACOUSTICS

Patents Applicationslast 30 patents

Information Patent Application
Sound absorbing material
- Publication number 20060225952
- Publication date Oct 12, 2006
- Akira Takayasu
- G10 - MUSICAL INSTRUMENTS ACOUSTICS