Membership
Tour
Register
Log in
Etsuo Kawaji
Follow
Person
Tokyo, JP
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Earphone
Patent number
D761233
Issue date
Jul 12, 2016
Foster Electric Company, Limited
Etsuo Kawaji
D14 - Recording, communication, or information retrieval equipment