Patent assignee · CH · COMPANY

ALPHASEM GmbH

6Patents
0Active
6Granted
27Portfolio score

Filing activity: Aug 14, 1987 → Apr 18, 2000

Most-cited patents

PatentTitleAreaCited byStatus
US4974754A Metering apparatus for metering and delivering fluid or pasty substances and use of said metering apparatus Performing Operations; Transporting 93 Expired
US4803124A Bonding semiconductor chips to a mounting surface utilizing adhesive applied in starfish patterns Emerging Cross-Sectional Technologies 76 Expired
US6621157B1 Method and device for encapsulating an electronic component in particular a semiconductor chip Emerging Cross-Sectional Technologies 34 Expired
US6171049A Method and device for receiving, orientating and assembling of components Emerging Cross-Sectional Technologies 14 Expired
US4938653A Transmission arrangement, in particular a maltese transmission arrangement Emerging Cross-Sectional Technologies 2 Expired
US6291261A Method and device for processing a flat workpiece, especially a semiconductor wafer Electricity 1 Expired

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.