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GEM OPTICAL CO LTD

Overview
  • Total Patents
    24
  • GoodIP Patent Rank
    171,664
About

GEM OPTICAL CO LTD has a total of 24 patent applications. Its first patent ever was published in 1999. It filed its patents most often in United States, Taiwan and China. Its main competitors in its focus markets optics, electrical machinery and energy and telecommunications are ULVIO KARI, ADLENS BEACON INC and DANYANG JINGTONG GLASSES TECHNOLOGY INNOVATION SERVICE CENTRAL CO LTD.

Patent filings in countries

World map showing GEM OPTICAL CO LTDs patent filings in countries
# Country Total Patents
#1 United States 9
#2 Taiwan 5
#3 China 4
#4 United Kingdom 3
#5 Germany 2
#6 Hong Kong 1

Patent filings per year

Chart showing GEM OPTICAL CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Huang Tsung-Hui 7
#2 Huang Yan-Hong 4
#3 Huang Yanhong 4
#4 Huang Yen-Hung 3
#5 Yen-Hung Huang 2
#6 Huang Tsung Hui 2
#7 Huang Zong-Hui 1
#8 Tsung-Hui Huang 1

Latest patents

Publication Filing date Title
US2018157060A1 Nose bracket structure for glasses
US10012845B1 Glasses frame structure
GB201620054D0 Glasses frame structure
GB201620056D0 Nose bracket structure for glasses
CN108020930A Eyeglass frame structure
TW201816467A Spectacle frame structure capable of achieving the three-point linkage positioning with respect to the central positioning part, thereby combining the frame body and the lens body firmly
US2017052360A1 Illumination device for Magnifier
CN106468407A The illuminator of magnifier
TW201706673A Magnifier lighting device for preventing power outage by utilizing a collar of a conductive tube to perform stable electrical connection with a second conductive portion of a conductive plate by means of multi-contact
CN104345441A Footstand adjusting and positioning structure of magnifying lens device
CN104345442A Magnifying lens device capable of transforming use forms
TW201506441A Magnifying glass apparatus capable of changing patterns of use
TW201506442A Bearing orientation adjusting structure for magnifying glass apparatus
DE102006043666A1 Clamping and holding device for magnifying glass, has adjusting unit, which is provided with male bifurcated articulation part, female bifurcated articulation part and slide rod
US2008055745A1 Magnifying glass with light for handheld electronic device
DE102006001678A1 Multifunctional loupe device for mounting on a cap shield
US2006120066A1 Lens assembly with light mountable on head covering
TWI249993B Multi-functional magnifying glass assembly capable of being collocated with hat brim to use
US2004145887A1 Headband with magnifying lens and detachable light
US6525887B1 Magnifying device worn around head