Inventor · Lexington, MA, US

Michael E. Ash

4Patents
4h-index
5Co-inventors
36Inventor score

Filing activity: Apr 7, 2003 → Nov 12, 2004

Most-cited inventions

PatentTitleAreaCited byStatus
US6895678B2 Borehole navigation system Physics 64 Expired
US7093370B2 Multi-gimbaled borehole navigation system Fixed Constructions 33 Expired
US6918186B2 Compact navigation system and method Physics 28 Expired
US6778908B2 Environmentally mitigated navigation system Physics 15 Expired

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