Inventor

NG WAI-MAN

HK8 patents

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

NG WAI-MAN

1 patent

US7014581B2Mar 21, 2006

Sound and light emitting inflatable ball

NG WAI-MAN91 citations93

SUNLITE TRADING LTD

1 patent

US6320351B1Nov 20, 2001

Intelligent switch for battery

SUNLITE TRADING LTD142 citations90

(unassigned)

1 patent

US5408068AApr 18, 1995

Electric heater for use in vehicle

VERSITECH LTD

1 patent

US10250072B2Apr 2, 2019

Wireless power transfer system

VERSITECH LTD4 citations69

MAN WILL IND COMPANY

1 patent

USD462907SSep 17, 2002

Water clock

MAN WILL IND COMPANY8 citations67

HUI RON SHU YUEN

1 patent

US8952617B2Feb 10, 2015

Passive LC ballast and method of manufacturing a passive LC ballast

HUI RON SHU YUEN3 citations60

UNIV HONG KONG

1 patent

US10848003B2Nov 24, 2020

Wireless power transfer system

UNIV HONG KONG1 citations59

CONCORD CAMERA CORP

1 patent

USD479549SSep 9, 2003

Camera

CONCORD CAMERA CORP1 citations50