Inventor · Martinez, CA, US

Daniel E. Callahan

4Patents
3h-index
11Co-inventors
47Inventor score

Filing activity: Jun 7, 2001 → Jul 20, 2018

Most-cited inventions

PatentTitleAreaCited byStatus
US7546210B2 Visual-servoing optical microscopy Physics 12 Expired
US7949474B2 Visual-servoing optical microscopy Physics 8 Active
US8548745B2 Visual-servoing optical microscopy Chemistry; Metallurgy 8 Active
US12186713B2 Non-woven fiber membranes Performing Operations; Transporting 0 Active

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