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- Leanard
W White, Subhashish Bhattacharya; ‘System and Method of Causing a Zero-Current
Crossing in an Electrical Circuit’; Application Number:  Year: 2017
 - 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
 - Po-Tai
Cheng, Subhashish Bhattacharya, Deepakraj M Divan; ‘Hybrid parallel
active/passive filter system with dynamically variable inductance’; Application
Number: 8609445 Year: 1998
 - 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
 - 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
 - Subhashish
Bhattacharya, Deepakraj M Divan; ‘Hybrid series active/parallel passive power
line conditioner with controlled harmonic injection’; Application Number:
8079303 Year: 1995