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PILKINGTON VISIONCARE INC

Overview
  • Total Patents
    87
About

PILKINGTON VISIONCARE INC has a total of 87 patent applications. Its first patent ever was published in 1985. It filed its patents most often in Canada, Australia and Japan. Its main competitors in its focus markets machines, optics and machine tools are Q2100 INC, NEEFE CHARLES W and 2100 INC Q.

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Rotenberg Don H 10
#2 Evans John M 8
#3 Tungol Joseph Erwin 7
#4 Castillo Bradley Edward 7
#5 Thakrar Ashok R 7
#6 Litzaw Edgar Martin 7
#7 Hyslop Ronald T 6
#8 Kulan Stephen 5
#9 Gandhi Khushroo 5
#10 Coleman Milton 5

Latest patents

Publication Filing date Title
GB9306424D0 Contact lens designed to accommodate and correct for the effects of presbyopia
GB9221312D0 Improvements in or relating to ophthalmic lens manufacture
AU1008692A Hydrogel material
US5323192A Method and packaging system for facilitating fabrication of laminated lenses
GB9123163D0 Forming lens wafers of desired curvature for manufacture of laminated lenses
GB9123178D0 Manufacturing laminated lenses
EP0484036A2 Reinforced thermoplastic components for use in the manufacturing of ophthalmic lenses and methods of making such components
US5158718A Contact lens casting
AU8119291A Contact lens casting
US5160463A Method of manufacturing a contact lens
US5238153A Dispenser for dispersing sterile solutions
GB9100863D0 Coating composition
EP0436315A2 Injection moldable plastic laps
US5110278A Injection molding apparatus for producing a toric lens casting mold arbor
US5170192A Oxygen permeable bifocal contact lenses and their manufacture
US5149181A Lens wafer, laminate lens and method of fabrication thereof
CA2015555A1 Method of treating human eyes and a composition therefor
CA1318446C Contact lenses and materials and methods of making same
US4940762A Oxygen permeable lens with hydrolyzable silicon group