Patents


  1. Leanard W White, Subhashish Bhattacharya; ‘System and Method of Causing a Zero-Current Crossing in an Electrical Circuit’; Application Number:  Year: 2017
  2. Leda M Lunardi, Subhashish Bhattacharya, Tie Wu; ‘Systems and methods for single wavelength with dual channels for control signal and internet data transmission’; Application Number: 14202800 Year: 2014
  3. Po-Tai Cheng, Subhashish Bhattacharya, Deepakraj M Divan; ‘Hybrid parallel active/passive filter system with dynamically variable inductance’; Application Number: 8609445 Year: 1998
  4. Po-Tai Cheng, Subhashish Bhattacharya, Deepakraj M Divan; ‘Power line harmonic reduction by hybrid parallel active/passive filter system with square wave inverter and DC bus control’; Application Number: 8669010 Year: 1998
  5. Subhashish Bhattacharya, Deepakraj M Divan; ‘Hybrid series active, parallel passive, power line conditioner for harmonic isolation between a supply and a load’; Application Number: 8340152 Year: 1996
  6. Subhashish Bhattacharya, Deepakraj M Divan; ‘Hybrid series active/parallel passive power line conditioner with controlled harmonic injection’; Application Number: 8079303 Year: 1995