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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Double wire cord and portable audio device using the same
Patent number
7,348,490
Issue date
Mar 25, 2008
SDK Company
Kiyotaka Sakai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Pin plug
Patent number
5,312,271
Issue date
May 17, 1994
SDK Company, Ltd.
Hiroichi Matsumoto
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
CORD
Publication number
20100307789
Publication date
Dec 9, 2010
SDK Company Limited
Kiyotaka Sakai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Double wire cord and portable audio device using the same
Publication number
20070277995
Publication date
Dec 6, 2007
SDK Company Limited
Kiyotaka Sakai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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last 30 trademarks