Inventor · Hitachi, JP

Yoshiji Ito

1Patents
1h-index
9Co-inventors
25Inventor score

Filing activity: Feb 6, 1981 → Feb 6, 1981

Most-cited inventions

PatentTitleAreaCited byStatus
US4401365A Rotary type optical switch Physics 28 Expired

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