Inventor
IZU MASATSUGU
US43 patents
⚠️ This page may combine multiple inventors who share the name “IZU MASATSUGU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ENERGY CONVERSION DEVICES INC
33 patentsUS4598306AJul 1, 1986
Barrier layer for photovoltaic devices
ENERGY CONVERSION DEVICES INC204 citations99
US4400409AAug 23, 1983
Method of making p-doped silicon films
ENERGY CONVERSION DEVICES INC161 citations99
US4217374AAug 12, 1980
Amorphous semiconductors equivalent to crystalline semiconductors
ENERGY CONVERSION DEVICES INC223 citations99
US6028393AFeb 22, 2000
E-beam/microwave gas jet PECVD method and apparatus for depositing and/or surface modification of thin film materials
ENERGY CONVERSION DEVICES INC113 citations98
US5670224ASep 23, 1997
Modified silicon oxide barrier coatings produced by microwave CVD deposition on polymeric substrates
ENERGY CONVERSION DEVICES INC98 citations96
US4532372AJul 30, 1985
Barrier layer for photovoltaic devices
ENERGY CONVERSION DEVICES INC94 citations96
US4530739AJul 23, 1985
Method of fabricating an electroplated substrate
ENERGY CONVERSION DEVICES INC58 citations96
US4514583AApr 30, 1985
Substrate for photovoltaic devices
ENERGY CONVERSION DEVICES INC78 citations96
US4485264ANov 27, 1984
Isolation layer for photovoltaic device and method of producing same
ENERGY CONVERSION DEVICES INC87 citations96
US4485125ANov 27, 1984
Method for continuously producing tandem amorphous photovoltaic cells
ENERGY CONVERSION DEVICES INC108 citations96
US4451970AJun 5, 1984
System and method for eliminating short circuit current paths in photovoltaic devices
ENERGY CONVERSION DEVICES INC54 citations96
US4443652AApr 17, 1984
Electrically interconnected large area photovoltaic cells and method of producing said cells
ENERGY CONVERSION DEVICES INC90 citations96
US4438723AMar 27, 1984
Multiple chamber deposition and isolation system and method
ENERGY CONVERSION DEVICES INC90 citations96
US4410558AOct 18, 1983
Continuous amorphous solar cell production system
ENERGY CONVERSION DEVICES INC102 citations96
US4342044AJul 27, 1982
Method for optimizing photoresponsive amorphous alloys and devices
ENERGY CONVERSION DEVICES INC83 citations96
US4677738AJul 7, 1987
Method of making a photovoltaic panel
ENERGY CONVERSION DEVICES INC27 citations93
US4464823AAug 14, 1984
Method for eliminating short and latent short circuit current paths in photovoltaic devices
ENERGY CONVERSION DEVICES INC43 citations93
US4332880AJun 1, 1982
Imaging film with improved passivating layers
ENERGY CONVERSION DEVICES INC36 citations93
US5411591AMay 2, 1995
Apparatus for the simultaneous microwave deposition of thin films in multiple discrete zones
ENERGY CONVERSION DEVICES INC48 citations92
US4369730AJan 25, 1983
Cathode for generating a plasma
ENERGY CONVERSION DEVICES INC40 citations92
US4605941AAug 12, 1986
Amorphous semiconductors equivalent to crystalline semiconductors
ENERGY CONVERSION DEVICES INC19 citations82
US4565607AJan 21, 1986
Method of fabricating an electroplated substrate
ENERGY CONVERSION DEVICES INC20 citations82
US4485389ANov 27, 1984
Amorphous semiconductors equivalent to crystalline semiconductors
ENERGY CONVERSION DEVICES INC24 citations82
US4626447ADec 2, 1986
Plasma confining apparatus
ENERGY CONVERSION DEVICES INC8 citations74
US4513684AApr 30, 1985
Upstream cathode assembly
ENERGY CONVERSION DEVICES INC13 citations74
US4483883ANov 20, 1984
Upstream cathode assembly
ENERGY CONVERSION DEVICES INC7 citations74
US4379181AApr 5, 1983
Method for plasma deposition of amorphous materials
ENERGY CONVERSION DEVICES INC9 citations74
US4242439ADec 30, 1980
Dispersion imaging utilizing plural layers of different metal components
ENERGY CONVERSION DEVICES INC10 citations74
US4211838AJul 8, 1980
Method of high sensitivity imaging and imaging film therefor
ENERGY CONVERSION DEVICES INC9 citations74
US4142898AMar 6, 1979
Imaging film of sensitizing layer upon UV-sensitive diazo layer
ENERGY CONVERSION DEVICES INC9 citations74
US4138262AFeb 6, 1979
Imaging film comprising bismuth image-forming layer
ENERGY CONVERSION DEVICES INC9 citations71
US4689645AAug 25, 1987
Current control device
ENERGY CONVERSION DEVICES INC5 citations63
US4271257AJun 2, 1981
Imaging film of bismuth or bismuth alloy
ENERGY CONVERSION DEVICES INC4 citations60
SOVONICS SOLAR SYSTEMS
10 patentsUS4522663AJun 11, 1985
Method for optimizing photoresponsive amorphous alloys and devices
SOVONICS SOLAR SYSTEMS146 citations99
US4617421AOct 14, 1986
Photovoltaic cell having increased active area and method for producing same
SOVONICS SOLAR SYSTEMS241 citations98
US4492181AJan 8, 1985
Apparatus for continuously producing tandem amorphous photovoltaic cells
SOVONICS SOLAR SYSTEMS89 citations96
US4519339AMay 28, 1985
Continuous amorphous solar cell production system
SOVONICS SOLAR SYSTEMS53 citations93
US4510674AApr 16, 1985
System for eliminating short circuit current paths in photovoltaic devices
SOVONICS SOLAR SYSTEMS27 citations93
US4510675AApr 16, 1985
System for eliminating short and latent short circuit current paths in photovoltaic devices
SOVONICS SOLAR SYSTEMS27 citations93
US4492810AJan 8, 1985
Optimized doped and band gap adjusted photoresponsive amorphous alloys and devices
SOVONICS SOLAR SYSTEMS37 citations93
US4545136AOct 8, 1985
Isolation valve
SOVONICS SOLAR SYSTEMS50 citations92
US4542711ASep 24, 1985
Continuous system for depositing amorphous semiconductor material
SOVONICS SOLAR SYSTEMS30 citations92
US4608943ASep 2, 1986
Cathode assembly with localized profiling capabilities
SOVONICS SOLAR SYSTEMS10 citations74