Some of our issued patents
  • US 8,040,103(B2)
  • - Battery charging apparatus with planar inductive charging platform
  • - Grant date: Oct 18, 2011
  • - Effective 20 years until 18 August 2025
  • CN 101,243,593 B
  • - Auxiliary winding for improved performance of a planar inductive charging platform
  • - Grant Date: 29 June 2011
  • - Effective 20 years until 18 August 2025
  • US 7,915,858 B2
  • - Localized charging, load identification and bi-directional communication methods for a planar inductive battery charging system
  • - Grant date: 29 March 2011
  • - Effective 20 years until 29 October 2027
  • US 7,855,529 B2
  • - Inductively powered sleeve for mobile electronic device
  • - Grant Date: 21 December 2010
  • - Effective 20 years until 15 July 2028
  • US 7,872,445 B2
  • - Rechargeable battery powered portable electronic device
  • - Grant Date: 18 January 2011
  • - Effective 20 years until 9 December 2024
  • US 7,576,514
  • - Planar inductive battery charging system
  • - Grant date: Aug 18 2009
  • - Effective 20 years until 13 December, 2026
  • US 7,495,414
  • - Rechargeable battery circuit and structure for compatibility with a planar inductive charging platform
  • - Grant date: Feb 24, 2009
  • - Effective 20 years until 22 September, 2025
  • US 7,164,255
  • - Inductive battery charger system with primary transformer windings formed in a multi-layer structure.
  • - Grant date 16 January, 2007
  • - Effective 20 years until 19 December, 2024
  • UK 2389767B
  • - Apparatus for energy transfer by induction
  • - Grant date 19 April, 2006
  • - Effective 20 years until 18 November, 2022
  • UK 2399466
  • - Battery charging system(secondary module)
  • - Grant date 16 November, 2005
  • - Effective 20 years until 10 March, 2023
  • UK 2389720
  • - Planar inductive battery charger
  • - Grant date 7 September, 2005
  • - Effective 20 years until 18 November, 2022
  • US 6,888,438
  • - Planar Printed Printed Circuit Board transformer with effective electromagnetic interference (EMI) shielding
  • - Grant date 3 May, 2005
  • - Effective 20 years until 22 December, 2021
  • US 6,501,364
  • - Planar Printed Printed Circuit Board transformer with effective electromagnetic interference (EMI) shielding
  • - Grant date 31 December, 2002
  • - Effective 20 years until 15 June, 2021