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GUPTA AMITAVA

Overview
  • Total Patents
    28
  • GoodIP Patent Rank
    236,677
About

GUPTA AMITAVA has a total of 28 patent applications. Its first patent ever was published in 1992. It filed its patents most often in United States, WIPO (World Intellectual Property Organization) and Argentina. Its main competitors in its focus markets optics, medical technology and machines are KOESTER CHARLES J, ZALEVSKY ZEEV and UNIVERSAL VIEW CO LTD.

Patent filings in countries

World map showing GUPTA AMITAVAs patent filings in countries

Patent filings per year

Chart showing GUPTA AMITAVAs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Gupta Amitava 27
#2 Schnell Urban 17
#3 Haroud Karim 9
#4 Blum Ronald D 6
#5 Nibauer Lisa 6
#6 Jaeger Hans 6
#7 Egan William 6
#8 Sauvet Julien 4
#9 Mazzocchi Rudy 3
#10 Stangota Frank 3

Latest patents

Publication Filing date Title
WO2013101940A1 Photochromic fluid filled lenses and methods of manufacture thereof
US2014016087A1 Fluid lenses, lens blanks, and methods of manufacturing the same
US2012300171A1 Programmable Ophthalmic Lenses
US2012243106A1 Full field membrane design for non-round liquid lens assemblies
US2011102735A1 Fluid filled lens reservoir system and manufacturing method of the reservoir system
US2011090455A1 Opthalmic lens with regressive and non-regressive rotationally symmetric optical design elements
US2011058143A1 Multifocal ophthalmic lens with discontinuities
US2012041553A1 Fluid-filled lenses and their ophthalmic applications
US2011116037A1 Progressive addition lens design
US2011085243A1 Non-round fluid filled lens optic
US2010201941A1 Ophthalmic lenses with aspheric optical features
US2010076568A1 Prosthetic wrist implant
US2011085131A1 Aspheric fluid filled lens optic
US2010208195A1 Variable focus liquid filled lens mechanism
US2010208194A1 Variable focus liquid filled lens apparatus
US2008297721A1 Lens designs for treating asthenopia caused by visual defects