intellectual property

Many of our on-going research programs at ASTER Labs, Inc., cover a wide variety of aerospace-related topics.
From these efforts, we have generated and been granted United States and world-wide patents for our ideas.


Below is a listing of several of our important pieces of intellectual property.



Personal Navigation Related Patents


  1. “Method and System For Determining Relative Displacement and Heading For Navigation”, Suneel I. Sheikh, Darryll J. Pines, Joseph K. Conroy, and Timofey N. Spiridonov, U.S. Patent No. 8,954,271 (10 February 2015).




Spacecraft Navigation Related Patents


  1. Method and System for Gamma-Ray Localization Induced Spacecraft Navigation Using Celestial Gamma-Ray Sources”, Suneel I. Sheikh, Chuck S. Hisamoto, and Zaven Arzoumanian, U.S. Patent No. 9,140,556 (22 September 2015).

  2. “Navigation System and Method Using Modulated Celestial Radiation Sources”, Suneel I. Sheikh,
    U.S. Patent No. 7,831,341 (9 November 2010).


  1. “Navigational System and Method Utilizing Sources of Pulsed Celestial Radiation”, Suneel I. Sheikh, Darryll J. Pines, Kent S. Wood, Paul S. Ray, and Michael N. Lovellette, U.S. Patent No. 7,197,381 (27 March 2007).




Global Positioning System Related Patents

  1. “GPS Receiver Fault Detection Method and System”, Brian W. Schipper, Suneel I. Sheikh, and Lawrence C. Vallot, 
    U.S. Patent No. 6,114,988 (5 September 2000).

  2. “Attitude Determination Method and System”, Suneel I. Sheikh, Lawrence C. Vallot, and Brian W. Schipper,
    U.S. Patent No. 6,088,653 (11 July 2000).

  3. “GPS Multipath Detection Method and System”, B.W. Schipper, S.I. Sheikh, and L.C. Vallot,
    U.S. Patent No. 5,917,445 (29 June 1999).