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:
Feb. 27, 2018

Filed:

Apr. 23, 2012
Applicants:

Young-kwang Park, Tokyo, JP;

Takanobu Yagi, Tokyo, JP;

Seiichi Ono, Tokyo, JP;

Tomoyuki Kawabe, Tokyo, JP;

Tatsuya Ito, Yokohama, JP;

Inventors:

Young-Kwang Park, Tokyo, JP;

Takanobu Yagi, Tokyo, JP;

Seiichi Ono, Tokyo, JP;

Tomoyuki Kawabe, Tokyo, JP;

Tatsuya Ito, Yokohama, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 31/16 (2006.01); A61M 5/00 (2006.01); A61B 5/00 (2006.01); A61M 5/145 (2006.01); A61M 5/168 (2006.01); A61B 1/04 (2006.01);
U.S. Cl.
CPC ...
H01L 31/16 (2013.01); A61B 5/0059 (2013.01); A61M 5/007 (2013.01); A61M 5/14546 (2013.01); A61M 5/16831 (2013.01); A61B 1/043 (2013.01); A61M 2205/15 (2013.01); A61M 2205/3306 (2013.01);
Abstract

To provide a leak detecting sensor capable of favorably detecting a leak of a chemical liquid regardless of orientation in fixing to a patient. The leak detecting sensor has a plurality of light-emitting elementseach emitting light to be applied to the patient, and a single light-receiving element receiving the light emitted by the plurality of light-emitting elements and reflected by the patient. The plurality of light-emitting elements are placed to surround the single light-receiving element.


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