Inventor · Nagoya, JP

Tadao Oshima

3Patents
3h-index
9Co-inventors
43Inventor score

Filing activity: Jul 27, 1983 → Nov 12, 1999

Most-cited inventions

PatentTitleAreaCited byStatus
US4818847A Apparatus for optically reading printed information Physics 225 Expired
US6332574A Method of reading bar code Physics 24 Expired
US5489770A Hand-held scanner having a folded optical path providing a compact design Physics 20 Expired

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