Inventor · Altdorf, DE

Johann Ramchen

13Patents
4h-index
19Co-inventors
49Inventor score

Filing activity: Mar 5, 2010 → Oct 11, 2017

Most-cited inventions

PatentTitleAreaCited byStatus
US8860062B2 Optoelectronic semiconductor component Electricity 8 Active
US8742448B2 Optoelectronic component Electricity 5 Active
US8901592B2 Optoelectronic component and method for producing it Electricity 4 Active
US9159889B2 Radiation-emitting component and method for producing radiation-emitting components Electricity 4 Active
US9818921B2 Optoelectronic semiconductor component Electricity 2 Active
US9105771B2 Method for producing at least one optoelectronic semiconductor component Electricity 2 Active
US9029901B2 Electronic component Electricity 1 Active
US9153735B2 Optoelectronic semiconductor component Electricity 1 Active
US10217915B2 Optoelectronic semiconductor component Electricity 1 Active
US8907369B2 Optoelectronic semiconductor component Electricity 0 Active
US9343596B2 Method for producing at least one radiation-emitting and/or -receiving semiconductor component, and semiconductor component Electricity 0 Active
US9029902B2 Optoelectronic semiconductor device comprising a semiconductor chip, a carrier substrate and a film Electricity 0 Active
US9029907B2 Optoelectronic semiconductor component Electricity 0 Active

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