Inventor · Winnetka, IL, US

James E. O'Hara

3Patents
2h-index
4Co-inventors
41Inventor score

Filing activity: Jan 5, 1981 → Apr 16, 2007

Most-cited inventions

PatentTitleAreaCited byStatus
US7382867B2 Variable data voice survey and recipient voice message capture system Electricity 6 Active
US7206390B2 Simulated voice message by concatenating voice files Electricity 3 Expired
US4393507A Method and apparatus for charging lime into an electric arc furnace Emerging Cross-Sectional Technologies 0 Expired

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