Inventor · Zama, JP

Yoshio Kawajiri

4Patents
4h-index
7Co-inventors
47Inventor score

Filing activity: Dec 22, 1978 → Sep 4, 1998

Most-cited inventions

PatentTitleAreaCited byStatus
US5692048A Method and apparatus for sending secure facsimile transmissions and certified facsimile transmissions Physics 25 Expired
US4280693A Sheet feeding device for printing apparatus Performing Operations; Transporting 10 Expired
US4549239A Head carriage for use in a magnetic recording machine Physics 9 Expired
US6590677B1 Information management system capable of connecting facsimile machines which are incompatible with network systems to network systems Electricity 6 Expired

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