Acoustic diaphragm

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United States of America Patent

PATENT NO 9818395
SERIAL NO

15341044

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Abstract

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An acoustic diaphragm which has excellent Young's modulus and internal loss (tan δ) values is provided. The acoustic diaphragm according to the present invention is made from papermaking material substantially solely including cellulose nanofibers. In one embodiment, the cellulose nanofibers are unoxidized cellulose nanofibers.

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Patent Owner(s)

Patent OwnerAddress
YAMAHA CORPORATION10-1 NAKAZAWA-CHO CHUO-KU HAMAMATSU-SHI SHIZUOKA 430-8650

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Fujii, Takaya Osaka, JP 6 30
Kumo, Hiroyasu Osaka, JP 8 86

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