Learn more

HUANG TIANZAI

Overview
  • Total Patents
    14
About

HUANG TIANZAI has a total of 14 patent applications. Its first patent ever was published in 1995. It filed its patents most often in China, WIPO (World Intellectual Property Organization) and EPO (European Patent Office). Its main competitors in its focus markets electrical machinery and energy and environmental technology are KHUZMIEVA BELLA KH, BULLIMORE WILLIAM RICHARD and DEIKUSHII KK.

Patent filings in countries

World map showing HUANG TIANZAIs patent filings in countries

Patent filings per year

Chart showing HUANG TIANZAIs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Huang Tianzai 13
#2 Tianzai Huang 1

Latest patents

Publication Filing date Title
WO2009074109A1 Ultrathin lamp cap holder electronic energy-saving lamp
WO2009074107A1 Long life low pressure discharge lamp and assembling method of filament thereof
WO2007012263A1 A multi-electrode fluoescent lamp tube
WO2008011757A1 Dobble-electrode fluorescent lamp tube
CN101030522A Compact induced radiating fluorescent light
CN1877787A C-shape connection fluorescent lamp
CN1812045A Sealed electronic energy-saving lamp
CN1780521A Starting buffer of electronic ballast
CN1681075A Spiral fluorescent tube
CN1642381A Anormal-state protection apparatus of self-recovering electronic ballast
CN1531385A Self-control cathode protective circuit device of fluorescent tube
CN1118564A Electronic ballast