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WANG CHAO-LANG

Overview
  • Total Patents
    19
About

WANG CHAO-LANG has a total of 19 patent applications. Its first patent ever was published in 2002. It filed its patents most often in United States, EPO (European Patent Office) and China. Its main competitors in its focus markets audio-visual technology, machines and electrical machinery and energy are 4A MFG GMBH, NISSEN KAGAKU KK and ESSEL PROPACK LTD.

Patent filings in countries

World map showing WANG CHAO-LANGs patent filings in countries

Patent filings per year

Chart showing WANG CHAO-LANGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wang Chao-Lang 19

Latest patents

Publication Filing date Title
US2014099457A1 Light-permeable housing having metal layer and texture of specific material and method for making the same
US2014057075A1 High-pressure fire-retardant material with metal layer and method for making the same
US2011235845A1 Audio radiation type reflective sound box structure
US2011243370A1 Loudspeaker with magnetic elements fixedly provided on diaphragm
US2011243369A1 Device with dynamic magnet loudspeaker
US2011274876A1 Three-dimensional board structure and method for making the same
US2011116678A1 Speaker having a long voice coil bobbin and dampers
US2011108695A1 Three-dimensional multi-directional rotation support
US2011091052A1 Sound and light control apparatus
US7006648B2 Speaker cabinet with increased air circulation efficiency
EP1526754A1 Speaker cabinet with increased air circulation efficiency
US2004136561A1 Speaker having magnetic member installed on diaphragm
GB0217233D0 Light display responsive to audio signals