Assignee
YAMCON INC
US8 patents
Top patents by PatentIndex Score
US6570506B2May 27, 2003
Celestial object location device
YAMCON INC32 citations90
US7068180B2Jun 27, 2006
Celestial object location device
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US6844822B2Jan 18, 2005
Celestial object location device
YAMCON INC15 citations81
US7428780B2Sep 30, 2008
Viewing and display apparatus position determination algorithms
YAMCON INC6 citations69
US7010862B2Mar 14, 2006
Viewing and display apparatus position determination algorithms
YAMCON INC10 citations69
US7471211B2Dec 30, 2008
Celestial object location device
YAMCON INC5 citations60
US7155833B2Jan 2, 2007
Viewing and display apparatus position determination algorithms
YAMCON INC4 citations58
US7477367B2Jan 13, 2009
Celestial object identification device
YAMCON INC2 citations52