Inventor · Lebanon, OR, US

Mark Alan Johnstone

4Patents
3h-index
9Co-inventors
36Inventor score

Filing activity: Dec 20, 2000 → May 18, 2004

Most-cited inventions

PatentTitleAreaCited byStatus
US6785956B2 Method of fabricating a fluid jet printhead Emerging Cross-Sectional Technologies 7 Expired
US7044823B2 Method of making a tunneling emitter Electricity 5 Expired
US6781146B2 Annealed tunneling emitter Electricity 5 Expired
US6457814B1 Fluid-jet printhead and method of fabricating a fluid-jet printhead Emerging Cross-Sectional Technologies 0 Expired

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