Inventor

Prem Nath

Inventor

Rochester, MI, US

Overview

67→

Patents

1982–2018

Patent span

Electricity

Primary field (CPC H)

Patents· 67 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H10Fprimary

H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation21%

Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution21%

Y02PClimate change mitigation technologies in the production or processing of goods11%

C23CCoating metallic material8%

H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h108%

H01JElectric discharge tubes or discharge lamps5%

H02SGeneration of electric power by conversion of infrared radiation, visible light or ultraviolet light, e.g. using photovoltaic [pv] modules4%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%

Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications3%

B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form2%

PatentTitleYear

9,929,306'Array of monolithically integrated thin film photovoltaic cells and associated methods'2018 9,640,706'Hybrid multi-junction photovoltaic cells and associated methods'2017 9,349,905'Hybrid multi-junction photovoltaic cells and associated methods'2016 8,716,591'Array of monolithically integrated thin film photovoltaic cells and associated methods'2014 8,465,589'Machine and process for sequential multi-sublayer deposition of copper indium gallium diselenide compound semiconductors'2013 8,021,905'Machine and process for sequential multi-sublayer deposition of copper indium gallium diselenide compound semiconductors'2011 6,729,081'Self-adhesive photovoltaic module'2004 6,553,729'Self-adhesive photovoltaic module'2003 5,968,287'Power generating building panels and methods for their manufacture'1999 5,637,537'Method of severing a thin film semiconductor device'1997 5,474,620'Cut resistant laminate for the light incident surface of a photovoltaic module'1995 5,457,057'Photovoltaic module fabrication process'1995 5,280,133'Junction box for a solar panel'1994 5,273,608'Method of encapsulating a photovoltaic device'1993 5,268,039'Photovoltaic device including shunt preventing layer and method for the deposition thereof'1993 5,238,519'Solar cell lamination apparatus'1993 5,232,518'Photovoltaic roof system'1993 5,232,519'Wireless monolithic photovoltaic module'1993 5,228,925'Photovoltaic window assembly'1993 5,181,968'Photovoltaic device having an improved collector grid'1993 5,180,434'Interfacial plasma bars for photovoltaic deposition apparatus'1993 5,176,758'Translucent photovoltaic sheet material and panels'1993 5,131,954'Monolithic solar cell array and method for its manufacturing'1992 5,110,370'Photovoltaic device with decreased gridline shading and method for its manufacture'1992 5,101,260'Multilayer light scattering photovoltaic back reflector and method of making same'1992 5,092,939'Photovoltaic roof and method of making same'1992 5,090,356'Chemically active isolation passageway for deposition chambers'1992 5,084,400'Conversion process for passivating short circuit current paths in electronic devices having a metallic electrode'1992 4,773,944'Large area, low voltage, high current photovoltaic modules and method of fabricating same'1988 4,769,682'Boron doped semiconductor materials and method for producing same'1988 4,756,924'Method for the microwave fabrication of boron doped semiconductor materials'1988 4,746,618'Method of continuously forming an array of photovoltaic cells electrically connected in series'1988 4,739,414'Large area array of thin film photosensitive elements for image detection'1988 4,737,379'Plasma deposited coatings, and low temperature plasma method of making same'1988 4,729,970'Conversion process for passivating short circuit current paths in semiconductor devices'1988 4,728,406'Method for plasma - coating a semiconductor body'1988 4,704,369'Method of severing a semiconductor device'1987 4,698,234'Vapor deposition of semiconductor material'1987 4,696,758'Gas mixtures for the vapor deposition of semiconductor material'1987 4,654,468'Photovoltaic device having a predetermined current carrying capacity'1987 4,637,895'Gas mixtures for the vapor deposition of semiconductor material'1987 4,633,033'Photovoltaic device and method'1986 4,633,034'Photovoltaic device and method'1986 4,624,862'Boron doped semiconductor materials and method for producing same'1986 4,617,421'Photovoltaic cell having increased active area and method for producing same'1986 4,605,565'Method of depositing a highly conductive, highly transmissive film'1986 4,598,306'Barrier layer for photovoltaic devices'1986 4,590,327'Photovoltaic device and method'1986 4,586,988'Method of forming an electrically conductive member'1986 4,574,733'Substrate shield for preventing the deposition of nonhomogeneous films'1986 4,565,607'Method of fabricating an electroplated substrate'1986 4,537,795'Method for introducing sweep gases into a glow discharge deposition apparatus'1985 4,532,372'Barrier layer for photovoltaic devices'1985 4,530,739'Method of fabricating an electroplated substrate'1985 4,520,757'Process gas introduction, confinement and evacuation system for glow discharge deposition apparatus'1985 4,513,684'Upstream cathode assembly'1985 4,514,437'Apparatus for plasma assisted evaporation of thin films and corresponding method of deposition'1985 4,507,181'Method of electro-coating a semiconductor device'1985 4,485,264'Isolation layer for photovoltaic device and method of producing same'1984 4,483,883'Upstream cathode assembly'1984 4,462,332'Magnetic gas gate'1984 4,462,333'Process gas introduction, confinement and evacuation system for glow discharge deposition apparatus'1984 4,461,239'Reduced capacitance electrode assembly'1984 4,443,652'Electrically interconnected large area photovoltaic cells and method of producing said cells'1984 4,423,701'Glow discharge deposition apparatus including a non-horizontally disposed cathode'1984 4,419,530'Solar cell and method for producing same'1983 4,336,277'Transparent electrical conducting films by activated reactive evaporation'1982

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1982–1984Based in Troy, MI, US· patent location history

1983–1992Patents assigned to ENERGY CONVERSION DEVICES INC (37)· patent assignee history

1984–1992Based in Rochester, MI, US· patent location history

1992–2004Patents assigned to UNITED SOLAR SYSTEMS CORP (20)· patent assignee history

1992–2004Based in Rochester Hills, MI, US· patent location history

2011–2016Patents assigned to ASCENT SOLAR TECHNOLOGIES INC (4)· patent assignee history

2011–2018Based in Fort Lauderdale, FL, US· patent location history

2013–2014Patents assigned to BASAVA VENUGOPALA R (2)· patent assignee history

2017–2018Patents assigned to ASCENT SOLAR TECH INC (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
ENERGY CONVERSION DEVICES INC	37	1983–1992
UNITED SOLAR SYSTEMS CORP	20	1992–2004
ASCENT SOLAR TECHNOLOGIES INC	4	2011–2016
ASCENT SOLAR TECH INC	2	2017–2018
BASAVA VENUGOPALA R	2	2013–2014

Locations

Location	Patents	Span
Rochester, MI, US	37	1984–1992
Rochester Hills, MI, US	20	1992–2004
Fort Lauderdale, Florida, US	6	2011–2018
Troy, MI, US	4	1982–1984