P

Inventor

WONG JOHN M

US14 patents
⚠️ This page may combine multiple inventors who share the name “WONG JOHN M”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

PHILIPS CORP

6 patents
US4952849AAug 28, 1990

Fluorescent lamp controllers

PHILIPS CORP160 citations98
US5187414AFeb 16, 1993

Fluorescent lamp controllers

PHILIPS CORP60 citations93
US5313142AMay 17, 1994

Compact fluorescent lamp with improved power factor

PHILIPS CORP45 citations92
US5111118AMay 5, 1992

Fluorescent lamp controllers

PHILIPS CORP53 citations89
US5089751AFeb 18, 1992

Fluorescent lamp controllers with dimming control

PHILIPS CORP37 citations89
US5003230AMar 26, 1991

Fluorescent lamp controllers with dimming control

PHILIPS CORP40 citations89

GEN ENVIRONMENTAL SCIENCE

2 patents
US4882059ANov 21, 1989

Solubilization of organic materials in wastewater treatment

GEN ENVIRONMENTAL SCIENCE45 citations90
US5284587AFeb 8, 1994

Bacteria-containing polymer gel for waste water treatment

GEN ENVIRONMENTAL SCIENCE45 citations87

TLC Products

2 patents
US11832611B2Dec 5, 2023

Methods of pest control

TLC Products0 citations57
US11172678B2Nov 16, 2021

Methods of pest control

TLC Products0 citations57

PHILIPS ELECTRONICS NA

1 patent
US5387848AFeb 7, 1995

Fluorescent lamp ballast with regulated feedback signal for improved power factor

PHILIPS ELECTRONICS NA21 citations92

MOTOROLA INC

1 patent
US5457360AOct 10, 1995

Dimming circuit for powering gas discharge lamps

MOTOROLA INC24 citations90

ADVANCE TRANSFORMER CO

1 patent
US4729088AMar 1, 1988

Regulated high frequency power supply

ADVANCE TRANSFORMER CO24 citations81

ENVIRODYNE INC

1 patent
US4673505AJun 16, 1987

Wastewater treatment bacterial additive

ENVIRODYNE INC8 citations68