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OKIA OPTICAL CO LTD

Overview
  • Total Patents
    38
  • GoodIP Patent Rank
    167,409
  • Filing trend
    ⇩ 100.0%
About

OKIA OPTICAL CO LTD has a total of 38 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 2004. It filed its patents most often in United States, EPO (European Patent Office) and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets machines, optics and consumer goods are MAZZUCCHELLI 1849 SPA, SOTEN SRL and OLE-BENDT RASMUSSEN.

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Zhang Yan 14
#2 Lam Yin Sang 5
#3 Kacavenda Milan 5
#4 Lam Chi Ho Jacky 4
#5 Zou Yanhui 4
#6 Hung Hung 3
#7 Zou Yan Hui 3
#8 Lam Sik Lung 3
#9 Yan Zhang 2
#10 Lam Yinsang 2

Latest patents

Publication Filing date Title
WO2020024672A1 Glasses having sweatproof function
EP3403135A1 A flexible hinge with a tension spring
HK1218689A2 A biodegradable eyeglass lens
US2017057159A1 Method of making eyewear by 3d printing
CN103624978A Composite thermoplastic sheet material and decoration part for glasses and preparation methods of two
HK1137289A2 Combined spectacle frame
WO2008106868A1 Eyeglasses and eyeglass frames comprising glycol modified copolyesters
HK1113262A2 Laminate for eyeglass frame with embedded design pattern and manufacturing method thereof
WO2007128196A1 Laminate for eyeglass frame with embedded decorative design pattern and manufacturing method thereof
KR20090007381A Laminate for eyeglass frame with embedded decorative design pattern and manufacturing method thereof
US2007132941A1 Method for securing two parts of eyeglasses
EP1570759A1 Multipurpose spectacle case
US2006028616A1 Reading lens