The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Mar. 20, 2007

Filed:

Jun. 24, 2005
Applicants:

Yoshihiki Katayama, Tokyo, JP;

Hiroomi Miyaki, Tokyo, JP;

Norio Joichi, Tokyo, JP;

Youbao Peng, Tokyo, JP;

Yoshihito Sasamoto, Tokyo, JP;

Takashi Nara, Tokyo, JP;

Inventors:

Yoshihiki Katayama, Tokyo, JP;

Hiroomi Miyaki, Tokyo, JP;

Norio Joichi, Tokyo, JP;

Youbao Peng, Tokyo, JP;

Yoshihito Sasamoto, Tokyo, JP;

Takashi Nara, Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01H 13/14 (2006.01);
U.S. Cl.
CPC ...
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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