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CHEN LEE-TSUNG

Overview
  • Total Patents
    11
About

CHEN LEE-TSUNG has a total of 11 patent applications. Its first patent ever was published in 2000. It filed its patents most often in Canada, Malaysia and United Kingdom. Its main competitors in its focus markets optics are ARMAZONES MANUF, FOUR NINES CO LTD and SUN HING OPTICAL MANUFACTORY LTD.

Patent filings in countries

World map showing CHEN LEE-TSUNGs patent filings in countries

Patent filings per year

Chart showing CHEN LEE-TSUNGs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Optics

Focus technologies

# Technology
#1 Spectacles

Top inventors

# Name Total Patents
#1 Chen Lee-Tsung 11

Latest patents

Publication Filing date Title
CA2550670A1 Three-piece combinative device with an eyeglasses and an attachment sunglasses
US7178916B1 Three-piece combinative device with eyeglasses and attachment sunglasses
MY135923A Three pieces combinative eyeglasses
GB0424471D0 Combination spectacles
CA2486021A1 A three-piece combinative spectacles
MY137294A Three-piece combinative device with an eyeglasses and an attachment sunglasses
EP1431799A1 A separate clip for attachment glasses
CA2414162A1 A separate clip for attachment glasses
MY122787A A separate clip for attachment glasses
ZA200204227B A clip for attaching the additional glasses to the spectacles.
GB0025215D0 Clip-on glasses with magnetic clip on bridge