Inventor · Briarcliff Manor, NY, US

Ihor Wacyk

43Patents
17h-index
28Co-inventors
81Inventor score

Filing activity: Feb 6, 1981 → Feb 16, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US6831569B2 Method and system for assigning and binding a network address of a ballast Electricity 199 Expired
US6340864B1 Lighting control system including a wireless remote sensor Emerging Cross-Sectional Technologies 190 Expired
US6157093A Modular master-slave power supply controller Emerging Cross-Sectional Technologies 103 Expired
US6011360A High efficiency dimmable cold cathode fluorescent lamp ballast Electricity 76 Expired
US6300723A Apparatus for power factor control Emerging Cross-Sectional Technologies 72 Expired
US6807478B2 In-building navigation system Physics 70 Expired
US6320329A Modular high frequency ballast architecture Electricity 51 Expired
US7123159B2 Position dependent information retrieval system Electricity 47 Expired
US6636005B2 Architecture of ballast with integrated RF interface Emerging Cross-Sectional Technologies 46 Expired
US6504321B2 Universal hardware/software feedback control for high-frequency signals Electricity 36 Expired
US5798620A Fluorescent lamp dimming Emerging Cross-Sectional Technologies 34 Expired
US4472805A Memory system with error storage Physics 32 Expired
US4437024A Actively controlled input buffer Electricity 25 Expired
US6337544B1 Digital lamp signal processor Emerging Cross-Sectional Technologies 23 Expired
US6462437B1 System and method for alternating standby mode Emerging Cross-Sectional Technologies 23 Expired
US5742134A Inverter driving scheme Emerging Cross-Sectional Technologies 22 Expired
US6359387B1 Gas-discharge lamp type recognition based on built-in lamp electrical properties Electricity 17 Expired
US6140777A Preconditioner having a digital power factor controller Emerging Cross-Sectional Technologies 17 Expired
US4639897A Priority encoded spare element decoder Physics 17 Expired
US6020689A Anti-flicker scheme for a fluorescent lamp ballast driver Electricity 17 Expired
US5680017A Driving scheme for minimizing ignition flash Emerging Cross-Sectional Technologies 16 Expired
US6100647A Lamp ballast for accurate control of lamp intensity Emerging Cross-Sectional Technologies 14 Expired
US5973437A Scheme for sensing ballast lamp current Emerging Cross-Sectional Technologies 14 Expired
US4567387A Linear sense amplifier Physics 13 Expired
US4386284A Pulse generating circuit using current source Physics 9 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.