Sadao Otsuka
2Patents
2h-index
5Co-inventors
37Inventor score
Filing activity: Aug 9, 1974 → Jan 27, 1984
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4579223A | Oxygen absorbent packet | Emerging Cross-Sectional Technologies | 79 | Expired |
| US3962073A | Process for treating a waste liquid of hydrosulfite | Emerging Cross-Sectional Technologies | 4 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.