Inventor · Neuchâtel, CH

Rolf Klappert

11Patents
5h-index
14Co-inventors
59Inventor score

Filing activity: Feb 14, 1995 → Mar 10, 2004

Most-cited inventions

PatentTitleAreaCited byStatus
US6005654A Liquid crystal display device intended, in particular, to form a color image display screen Physics 30 Expired
US5497171A Electronic display arrangement Physics 22 Expired
US6549254B1 Bragg reflection optical device and methods for the manufacturing thereof Physics 11 Expired
US5903102A Electro-optical display device and flexible support for such devices used for the supply of such devices Electricity 5 Expired
US6917236B2 Method and apparatus for level shifting Physics 5 Expired
US6982019B2 Method for manufacturing a batch of multi-layered cells, such as liquid crystal display cells, or electrochemical photovoltaic cells Physics 5 Expired
US6093578A Method for manufacturing a plurality of electro-optical cells, in particular liquid crystal cells Physics 4 Expired
US6680003B2 Chiral doping agents with variable spiral pitch induction and application thereof to a reflective color display Chemistry; Metallurgy 3 Expired
US7826023B2 Display cell, in particular liquid crystal, or photovoltaic cell comprising means for connection to an electronic control circuit Electricity 2 Expired
US7338726B2 Multi-layered cell, particularly a liquid crystal display cell, or electrochemical photovoltaic cell Emerging Cross-Sectional Technologies 1 Expired
US7177004B2 Connection means for setting up an electric connection between a cell, in particular a liquid crystal cell, and a power or control circuit Emerging Cross-Sectional Technologies 0 Expired

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