Inventor · Troy, MI, US

Chi C. Yang

23Patents
15h-index
22Co-inventors
81Inventor score

Filing activity: Dec 14, 1981 → Mar 24, 2008

Most-cited inventions

PatentTitleAreaCited byStatus
US5977476A High efficiency photovoltaic device Emerging Cross-Sectional Technologies 247 Expired
US4698234A Vapor deposition of semiconductor material Electricity 186 Expired
US4696758A Gas mixtures for the vapor deposition of semiconductor material Electricity 177 Expired
US4637895A Gas mixtures for the vapor deposition of semiconductor material Electricity 170 Expired
US4816082A Thin film solar cell including a spatially modulated intrinsic layer Emerging Cross-Sectional Technologies 119 Expired
US5298086A Method for the manufacture of improved efficiency tandem photovoltaic device and device manufactured thereby Emerging Cross-Sectional Technologies 82 Expired
US5346853A Microwave energized deposition process with substrate temperature control for the fabrication of P-I-N photovoltaic devices Emerging Cross-Sectional Technologies 70 Expired
US5569332A Optically enhanced photovoltaic back reflector Emerging Cross-Sectional Technologies 60 Expired
US4379943A Current enhanced photovoltaic device Emerging Cross-Sectional Technologies 48 Expired
US5296045A Composite back reflector for photovoltaic device Emerging Cross-Sectional Technologies 43 Expired
US5221854A Protective layer for the back reflector of a photovoltaic device Emerging Cross-Sectional Technologies 23 Expired
US5204272A Semiconductor device and microwave process for its manufacture Emerging Cross-Sectional Technologies 19 Expired
US4769682A Boron doped semiconductor materials and method for producing same Emerging Cross-Sectional Technologies 19 Expired
US4624862A Boron doped semiconductor materials and method for producing same Emerging Cross-Sectional Technologies 19 Expired
US5256576A Method of making pin junction semiconductor device with RF deposited intrinsic buffer layer Emerging Cross-Sectional Technologies 16 Expired
US6087580A Semiconductor having large volume fraction of intermediate range order material Emerging Cross-Sectional Technologies 13 Expired
US7964476B2 Method and apparatus for the laser scribing of ultra lightweight semiconductor devices Emerging Cross-Sectional Technologies 7 Active
US5231048A Microwave energized deposition process wherein the deposition is carried out at a pressure less than the pressure of the minimum point on the deposition system's Paschen curve Electricity 5 Expired
US6468829B2 Method for manufacturing high efficiency photovoltaic devices at enhanced depositions rates Emerging Cross-Sectional Technologies 5 Expired
US6274461A Method for depositing layers of high quality semiconductor material Emerging Cross-Sectional Technologies 3 Expired
US5334423A Microwave energized process for the preparation of high quality semiconductor material Electricity 3 Expired
US7902049B2 Method for depositing high-quality microcrystalline semiconductor materials Emerging Cross-Sectional Technologies 1 Expired
US4756924A Method for the microwave fabrication of boron doped semiconductor materials Electricity 0 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.