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					| Patent    D783550 |  
					| Priority Sep 29 2014 |  
					| Filed Jun 20 2016 |  
					| Issued Apr 11 2017 |  
					| Expiry Apr 11 2032 |  
					|  |  
					| Assg.orig |  
					|  |  
					| Entity unknown |  
					 | 37 |  
					 | 46 |  
					 | 
						  n/a |  
						 
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			  The ornamental design for a power semiconductor device, as shown and described. | 
 
	
FIG. 1 is a front, right side, bottom perspective view of a power semiconductor device, showing our new design;
FIG. 2 is another rear, left side, and top perspective view thereof;
FIG. 3 is a front view thereof;
FIG. 4 is a rear view thereof;
FIG. 5 is a left side view thereof;
FIG. 6 is a right side view thereof;
FIG. 7 is a top plan view thereof; and,
FIG. 8 is a bottom plan view thereof.
The broken lines shown represent unclaimed subject matter of a power semiconductor device and form no part of the claimed design.
	
	Kawafuji, Hisashi, Kato, Masahiro, Nakagawa, Shinya, Hasegawa, Maki, Iwagami, Toru
	
	
	  
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