Eio Hisajima
2Patents
2h-index
8Co-inventors
30Inventor score
Filing activity: Sep 3, 1987 → Jan 17, 1989
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4816364A | Magnetic carrier particles for electrophotographic developer having plated layer of iron oxide | Emerging Cross-Sectional Technologies | 10 | Expired |
| US4968576A | Resinous microparticles useful in powdery toner for electrophotography | Emerging Cross-Sectional Technologies | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.