Patent assignee · CH · COMPANY

TEC-SEM AG

6Patents
2Active
6Granted
32Portfolio score

Filing activity: Jul 14, 1997 → Jul 20, 2007 · 2 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US6540468B1 Device and method for handling individual wafers Emerging Cross-Sectional Technologies 18 Expired
US5975825A Transfer apparatus for wafers Emerging Cross-Sectional Technologies 5 Expired
US7682455B2 Device for storing and/or transporting plate-shaped substrates in the manufacture of electronic components Electricity 2 Expired
US8554358B2 Device for storing substrates Electricity 1 Active
US7287951B2 Device and method for the harmonized positioning of wafer disks Emerging Cross-Sectional Technologies 1 Expired
US9230838B2 Apparatus for storage of objects from the field of manufacture of electronic components Electricity 1 Active

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