Inventor · Yokohama, JP

Keizo Usui

1Patents
1h-index
2Co-inventors
22Inventor score

Filing activity: Dec 19, 1977 → Dec 19, 1977

Most-cited inventions

PatentTitleAreaCited byStatus
US4182633A Process of the operation of a simulated moving bed Performing Operations; Transporting 64 Expired

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