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PILKINGTON VISIONCARE HOLDINGS

Overview
  • Total Patents
    40
About

PILKINGTON VISIONCARE HOLDINGS has a total of 40 patent applications. Its first patent ever was published in 1986. It filed its patents most often in United States, United Kingdom and Australia. Its main competitors in its focus markets machines, optics and medical technology are ASAHI OPT KK, SUN LUX OPTICAL CO LTD and JOHNSON & JOHNSON VISION PROD.

Patent filings in countries

World map showing PILKINGTON VISIONCARE HOLDINGSs patent filings in countries

Patent filings per year

Chart showing PILKINGTON VISIONCARE HOLDINGSs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Belmares Hector 6
#2 Doshi Praful 5
#3 Kingsbury Jeffrey M 4
#4 Spector David P 4
#5 Spector David Phillip 2
#6 Freeman Michael H 2
#7 Kingsbury Jeffrey Milton 2
#8 Caldwell Larry J 1
#9 Pidgeon Kenneth J 1
#10 Ashiyoku Aaru Sakuraa 1

Latest patents

Publication Filing date Title
EP0500218A1 Apparatus for use in the manufacture of contact lenses
GB9125480D0 Polymeric bifocal lens production process
US5104692A Two-layer antireflective coating applied in solution
CA2009668A1 Colored contact lenses and method of making same
GB8921993D0 Colour enhancing lens
GB8911328D0 Polymeric bifocal lens production process
NL8900499A Method and apparatus for forming and casting using side-channel dies and having parametric shapes
GB8901783D0 Casting lenses in plastic: curing by radiation
US4898695A Method for tinting hydrophilic plastic articles
US5173368A Solution-applied antireflective coatings
US4900366A Method for cleaning contact lens with dissolving abradant
US4954591A Abrasion resistant radiation curable coating for polycarbonate article