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## (51) Int. Cl. 

<img src='content_image/887116.jpg'>

## (56) References Cited 

<img src='content_image/887117.jpg'>

## U.S. PATENT DOCUMENTS 

2010/0209827 Al 8/2010 Ohashi et al. 

<img src='content_image/887125.jpg'>

Office Action dated Mar. 14, 2017, issued in counterpart Japanese Patent Application No. 2014-168165, with English machine trans- lation. (8 pages). 

* cited by examiner 

## FOREIGN PATENT DOCUMENTS 

## OTHER PUBLICATIONS 

