Inventor · Wilmington, MA, US

John Callahan

8Patents
6h-index
3Co-inventors
52Inventor score

Filing activity: Jul 6, 1999 → Dec 13, 2010

Most-cited inventions

PatentTitleAreaCited byStatus
US7598163B2 Post-seed deposition process Electricity 23 Active
US7884483B2 Chip connector Electricity 11 Expired
US7781886B2 Electronic chip contact structure Electricity 11 Active
US7767493B2 Post & penetration interconnection Emerging Cross-Sectional Technologies 10 Active
US8154131B2 Profiled contact Electricity 9 Expired
US7989958B2 Patterned contact Electricity 9 Active
US6131758A Bus pan cover Performing Operations; Transporting 4 Expired
US9147635B2 Contact-based encapsulation Electricity 1 Active

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