Inventor
Amitava Gupta
Inventor
Roanoke, VA, US
Overview
Patents· 119 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G02Cprimary
G02CSpectacles24%
G02BOptical elements, systems or apparatus12%
B29DProducing particular articles from plastics or from substances in a plastic state8%
A61FFilters implantable into blood vessels6%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds5%
Y10TTechnical subjects covered by former us classification5%
B29LIndexing scheme associated with subclass b29c, relating to particular articles4%
H02JElectric power networks3%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests3%
B29CShaping or joining of plastics3%
PatentTitleYear
11,091,311Insulated container and method of making the same202110,863,060Smart case for electronic wearable device202010,813,744Rechargeable intraocular implant202010,799,696Polymer formulations for nasolacrimal stimulation202010,761,348Accommodating lens with cavity202010,754,176Accommodating soft contact lens202010,678,067Tear shaping for refractive correction202010,620,459Wearable camera systems and apparatus and method for attaching camera systems or other electronic devices to wearable articles202010,379,383Manufacturing process of an accommodating soft contact lens201910,359,679Electrochromic materials and optical systems employing the same201910,353,220Tear shaping for refractive correction201910,348,965Wearable camera system201910,341,787Hearing aid adapted for wireless power reception201910,338,411Accommodating soft contact lens201910,302,968Fluidic module for accommodating soft contact lens201910,185,163Wearable camera systems and apparatus and method for attaching camera systems or other electronic devices to wearable articles201910,114,232Fluid-filled lenses and their ophthalmic applications201810,018,855Accommodating soft contact lens20189,956,397Polymer Formulations for nasolacrimal stimulation20189,939,659Fluid lens assembly20189,930,257'Wearable camera system'20189,910,296'Accommodating lens with cavity'20189,851,477Fluid lens assembly20179,823,494'Wearable camera systems and apparatus and method for attaching camera systems or other electronic devices to wearable articles'20179,795,281'Variable power endoscope based on liquid lens technology'20179,770,583'Polymer formulations for nasolacrimal stimulation'20179,675,444'Hermetically sealed implantable ophthalmic devices and methods of making same'20179,671,620'Variable focus liquid filled lens apparatus'20179,628,707'Wireless camera systems and methods'20179,568,745'Hinge mechanism for a fluid filled lens assembly'20179,535,264'Fluid lenses, lens blanks, and methods of manufacturing the same'20179,354,456'Hinge mechanism for a fluid filled lens assembly'20169,233,004'Prosthetic wrist implant'20169,207,467'Methods of making lenses with regressive and non-regressive rotationally symmetric optical design elements'20159,122,077'Progressive addition lens design'20159,081,208'Electro-active lenses including thin glass substrates'20159,033,495'Variable focus liquid filled lens apparatus'20159,036,264'Fluid-filled lenses and their ophthalmic applications'20159,022,563'Ophthalmic lenses with aspheric optical features'20158,992,610'Hermetically sealed implantable ophthalmic devices and methods of making same'20158,876,283'Hinge mechanism for a fluid filled lens assembly'20148,817,381'Full field membrane design for non-round liquid lens assemblies'20148,760,767'Fluid lens assembly'20148,758,445'Prosthetic wrist implant'20148,708,486'Fluid filled lenses and mechanisms of inflation thereof'20148,596,781'Fluid filled lens reservoir system and manufacturing method of the reservoir system'20138,573,774'Opthalmic lens with regressive and non-regressive rotationally symmetric optical design elements'20138,567,946'Methods of filling a liquid-filled lens mechanism'20138,534,832'Progressive addition lens design'20138,434,864'Multifocal ophthalmic lens with discontinuities'20138,414,121'Non-round fluid filled lens optic'20138,382,280'Variable focus liquid filled lens apparatus'20138,353,593'Hinge mechanism for a fluid filled lens assembly'20138,136,942'Aspheric fluid filled lens optic'20128,118,876'Prosthetic wrist implant'20128,092,012'Single vision spectacle lens'20128,087,778'Variable focus liquid filled lens mechanism'20127,926,940'Advanced electro-active optic device'20117,628,819'Prosthetic wrist implant'20097,625,408'Prosthetic wrist implant'20097,517,084'Multifocal contact lens designs utilizing pupil apodization'20097,481,533'Method for designing multifocal contact lenses'20097,377,638'Four zone multifocal lenses'20087,322,695'Multifocal contact lenses'20087,275,822'Progressive addition lenses with adjusted image magnification'20077,090,348'Method for designing spectacle lenses taking into account an individual\'s head and eye movement'20067,014,317'Method for manufacturing multifocal lenses'20066,851,803'Ophthalmic lenses with reduced chromatic blur'20056,439,870'Apparatus for automated ophthalmic lens fabrication'20026,390,623'Customized progressive addition lenses'20026,106,118'Progressive addition lenses'20006,086,203'Progressive addition lenses'20006,000,798'Ophthalmic optic devices'19995,914,174'Lens or semi-finished blank comprising photochromic resin compositions'19995,907,386'Method of manufacturing a progressive optic'19995,888,122'Method for manufacturing an intraocular lens'1999RE036150'Deformable-elastic intraocular lens'19995,872,613'Method of manufacturing contact lenses'19995,861,934'Refractive index gradient lens'19995,859,685'Achromatic ophthalmic lenses'19995,851,585'Impregnation of plastic substrates with photochromic additives'19985,847,803'Optic incorporating a power gradient'19985,805,266'Method of machining contact lenses'19985,793,465'Toric surfacecasting'19985,789,015'Impregnation of plastic substrates with photochromic additives'19985,728,156'Prismatic intraocular lenses and related methods of in situ alteration of their optical characteristics'19985,702,819'Composite lenses'19975,683,457'Prismatic intraocular lenses and related method of using such lenses to restore vision in patients with central field loss'19975,598,234'Method of manufacturing toric single vision, spherical or aspheric bifocal, multifocal or progressive contact lenses'19975,531,940'Method for manufacturing photochromic lenses'19965,528,321'Method of manufacturing contact lenses'19965,517,259'Method of manufacturing toric single vision, spherical or aspheric bifocal, multifocal or progressive contact lenses'19965,512,371'Composite lenses'19965,480,600'Method for manufacturing thin progressive addition lenses'19965,470,892'Polymerizable resin for forming clear, hard plastics'19955,406,341'Toric single vision, spherical or aspheric bifocal, multifocal or progressive contact lenses and method of manufacturing'19955,319,023'Optical lenses, haptics therefor and optical lens bodies having haptics'19945,316,702'Method of producing durable bonds between an optical preform and an optical resin layer cast on the preform surface'19945,274,038'Controlled surface optical lens and method of surface alteration'19935,194,456'UV absorbers and PMMA material containing such absorbers'19935,141,990'Photocurable acrylic composition, and U.V. curing with development of U.V. absorber'19925,112,351'Multifocal intraocular lenses'19925,106,930'Contact lenses'19925,080,472'Multifocal optical lens'19924,945,001'Internal stabilization of polycarbonate resins'19904,834,750'Deformable-elastic intraocular lens'19894,813,956'Method of forming single-piece intraocular lens and core member and lens formed thereby'19894,749,726'Internal stabilization of polycarbonate resins by two stage radiation process'19884,655,770'Surface passivated intraocular lens'19874,383,129'Solar cell encapsulation'19834,374,955'N-Butyl acrylate polymer composition for solar cell encapsulation and method'19834,362,895'Ultraviolet absorbing copolymers'19824,310,650'Ultraviolet absorbing copolymers'19824,262,198'Broadband optical radiation detector'19814,259,223'Cross-linked polyvinyl pyridine coated glass particle catalyst support and aqueous composition or polyvinyl pyridine adducted microspheres'19814,243,327'Double-beam optical method and apparatus for measuring thermal diffusivity and other molecular dynamic processes in utilizing the transient thermal lens effect'19814,224,359'Polyvinyl pyridine microspheres'19804,170,685'Polyvinyl pyridine microspheres'19794,127,506'Photochemical preparation of olefin addition catalysts'1978Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1978–1992Patents assigned to CALIFORNIA INST OF TECHN (12)· patent assignee history
1981–2017Patents assigned to GUPTA AMITAVA (23)· patent assignee history
1981–1994Based in Pasadena, CA, US· patent location history
1993–1996Based in San Marino, CA, US· patent location history
1994–1999Patents assigned to INNOTECH INC (21)· patent assignee history
1996–2020Based in Roanoke, VA, US· patent location history
1996–1999Based in Bethesda, MD, US· patent location history
2009–2016Based in Louisville, KY, US· patent location history
2012–2018Patents assigned to ADLENS BEACON INC (21)· patent assignee history
2012–2017Patents assigned to SCHNELL URBAN (15)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GUPTA AMITAVAself | 23 | 1981–2017 |
| ADLENS BEACON INC | 21 | 2012–2018 |
| INNOTECH INC | 21 | 1994–1999 |
| SCHNELL URBAN | 15 | 2012–2017 |
| CALIFORNIA INST OF TECHN | 12 | 1978–1992 |
Locations
| Location | Patents | Span |
|---|---|---|
| Roanoke, Virginia, US | 67 | 1996–2020 |
| Bethesda, Maryland, US | 16 | 1996–1999 |
| Pasadena, California, US | 16 | 1981–1994 |
| San Marino, California, US | 5 | 1993–1996 |
| Louisville, KY, US | 4 | 2009–2016 |