Inventor · Stuttgart, DE

Klaus Ploog

16Patents
8h-index
25Co-inventors
72Inventor score

Filing activity: Nov 18, 1982 → Nov 26, 2003

Most-cited inventions

PatentTitleAreaCited byStatus
US5373186A Bipolar transistor with monoatomic base layer between emitter and collector layers Emerging Cross-Sectional Technologies 106 Expired
US4882609A Semiconductor devices with at least one monoatomic layer of doping atoms Electricity 91 Expired
US4775881A Semiconductor device for detecting electromagnetic radiation or particles Electricity 32 Expired
US5714765A Method of fabricating a compositional semiconductor device Electricity 17 Expired
US5057881A Light emitting compositional semiconductor device Electricity 14 Expired
US5385865A Method of generating active semiconductor structures by means of starting structures which have a 2D charge carrier layer parallel to the surface Emerging Cross-Sectional Technologies 14 Expired
US4740978A Integrated quantum well lasers having uniform thickness lasing regions for wavelength multiplexing Electricity 11 Expired
US5060234A Injection laser with at least one pair of monoatomic layers of doping atoms Emerging Cross-Sectional Technologies 10 Expired
US5396089A Method of generating active semiconductor structures by means of starting structures which have a 2D charge carrier layer parallel to the surface Electricity 8 Expired
US4755857A Heterostructure semiconductor device Electricity 7 Expired
US5148242A Electron-wave coupled semiconductor switching device Electricity 7 Expired
US5329150A Semiconductor photodetector devices with pairs of monoatomic layers separated by intrinsic layers Emerging Cross-Sectional Technologies 7 Expired
US5216260A Optically bistable semiconductor device with pairs of monoatomic layers separated by intrinsic layers Electricity 6 Expired
US4732648A Method of preparing semiconductor substrates Electricity 6 Expired
US7652398B2 Magnetic logic device Electricity 5 Expired
US5338692A Method of generating active semiconductor structures by means of starting structures which have a 2D charge carrier layer parallel to the surface Electricity 1 Expired

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