Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Yoshihiki Katayama0
Yoshihito Sasamoto0
Youbao Peng0
Hiroomi Miyaki0
Norio Joichi0
Takashi Nara0
Date of Patent
March 20, 2007
0Patent Application Number
111669950
Date Filed
June 24, 2005
0Patent Primary Examiner
Patent abstract
A push button includes a button main body portion which is provided between a packaging substrate placed under it and a casing portion located above it, a light source placed on the packaging substrate, and a light-guide portion which guides light from the light source to an outer periphery of the button main body portion by reflection.
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