1. Smart Cane -- This is a device for helping visually challenged persons to navigate independently.  Status: Provisional Patent Granted
2. Bus Identification Module -- This is a two way system which helps a visually challenged person to identify, orient and board a (public transport) bus. The solution is also customizable to build navigational aids for such persons inside buildings. Status:Provisional Patent Granted
3. Methods and applications for altitude measurement and fusion of time domain user context detection algorithm with floor detection and elevator/staircase motion recognition Status: Disclosure filed in US
4. Methods and Applications for User Context Detection for Personal navigation system on Mobile Handsets Status: Disclosure filed in US