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ECHOWELL ELECTRONIC CO LTD

Overview
  • Total Patents
    40
  • GoodIP Patent Rank
    49,568
  • Filing trend
    ⇧ 150.0%
About

ECHOWELL ELECTRONIC CO LTD has a total of 40 patent applications. It increased the IP activity by 150.0%. Its first patent ever was published in 1995. It filed its patents most often in United States, Taiwan and China. Its main competitors in its focus markets basic communication technologies, audio-visual technology and consumer goods are SUKALO DRAZENKO, TECHSTREAM PTY LTD and AUDERA INTERNAT SALES INC.

Patent filings in countries

World map showing ECHOWELL ELECTRONIC CO LTDs patent filings in countries

Patent filings per year

Chart showing ECHOWELL ELECTRONIC CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Chen Hsi-Hsien 25
#2 Hsi-Hsien Chen 3
#3 Chen Xixian 3
#4 Huang Chun-Mu 3
#5 Li Yongwen 1
#6 Lee Yung-Wen 1
#7 Lee James 1
#8 Lee Yung Wen 1
#9 Chen Hsi Hsien 1
#10 Huang C M 1

Latest patents

Publication Filing date Title
US10856082B1 Audio system with sound-field-type nature sound effect
TW202101902A Natural sound field splitting system of vacuum tube and transistor amplifier characterized by using a vacuum tube to process medium-frequency signals and high-frequency signals and using a transistor to process low-frequency signals
US10727792B1 Vacuum tube and transistor amplifier natural sound field tone dividing system
US2020413193A1 Three-piece extensible movable soundbox
US2020412312A1 Vacuum tube subwoofer extraction circuit system
TW202102012A Three-piece extendible/retractable speaker that comprises a host device portion, a first speaker portion connected by a first connection line device to the host device portion, and a second speaker portion connected by a second connection line device to the host device portion
TW202101901A Vacuum tube bass extracting circuit system characterized in that the vacuum tube bass extracting circuit system can use a switch mode power supply circuit and filtrate the high-frequency noise produced thereby
US2019318898A1 Vacuum tube rear device
TWI650933B Vacuum tube rear device
TWI650934B Grounding structure and grounding method of vacuum tube audio amplifier
US10218320B1 Vacuum tube audio amplifier
US10135402B1 Grounding structure and grounding method of vacuum tube audio amplifier
TW201914212A Vacuum tube audio amplifier
CN103135436A Electronic watch control device
TW201319811A A control apparatus for electronic watch
TW536668B Structure of pulse watch emitter and process for producing the same
US6442505B1 Electronic trip meter for a bicycle
US5481901A Device for demonstrating and testing electronic meters for bicycles