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Akira Arai

Yamaha: 1 patents #57 of 191Top 30%
Overall (2016): #476,585 of 481,213Top 100%
1
Patents 2016

Issued Patents 2016

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9398376 Electroacoustic transducer Masao Noro 2016-07-19