Hirohiko Seki
5Patents
2h-index
9Co-inventors
44Inventor score
Filing activity: Sep 18, 1989 → Jan 20, 2010
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4994340A | Magnetic toner | Physics | 15 | Expired |
| US5223365A | Magnetic toner | Emerging Cross-Sectional Technologies | 11 | Expired |
| US8177604B2 | Surface abrading method of photosensitive layer of electrophotographic photoreceptor | Physics | 1 | Active |
| US8182970B2 | Image forming method | Physics | 0 | Active |
| US5494771A | Separating and recovering method of continuously coated photoreceptor drum | Emerging Cross-Sectional Technologies | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.