Inventor
ROWITCH DOUGLAS
US16 patents
⚠️ This page may combine multiple inventors who share the name “ROWITCH DOUGLAS”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
QUALCOMM INC
10 patentsUS6903684B1Jun 7, 2005
Method and apparatus for optimizing GPS-based position location in presence of time varying frequency error
QUALCOMM INC165 citations98
US7505757B2Mar 17, 2009
Location based service (LBS) system, method and apparatus for triggering of mobile station LBS applications
QUALCOMM INC45 citations94
US7016688B2Mar 21, 2006
Forward link repeater delay watermarking system
QUALCOMM INC39 citations92
US7096132B2Aug 22, 2006
Procedure for estimating a parameter of a local maxima or minima of a function
QUALCOMM INC13 citations84
US9274231B2Mar 1, 2016
Demand positioning
QUALCOMM INC7 citations83
US8044853B2Oct 25, 2011
Navigation receiver
QUALCOMM INC9 citations83
US12332365B2Jun 17, 2025
On demand positioning
QUALCOMM INC0 citations62
US12210105B2Jan 28, 2025
On demand positioning
QUALCOMM INC0 citations62
US8983492B2Mar 17, 2015
Methods and apparatuses for affecting a motion model within a mobile device
QUALCOMM INC0 citations52
US7596190B2Sep 29, 2009
System, method, and apparatus for correction of code doppler shift
QUALCOMM INC0 citations38
MOEGLEIN MARK
2 patentsROWITCH DOUGLAS
2 patentsUS7359716B2Apr 15, 2008
Location based service (LBS) system, method and apparatus for authorization of mobile station LBS applications
ROWITCH DOUGLAS74 citations94
US8938253B2Jan 20, 2015
Location based service (LBS) system, method and apparatus for triggering of mobile station LBS applications
ROWITCH DOUGLAS1 citations49