Tsutomu Yamakami
3Patents
3h-index
13Co-inventors
47Inventor score
Filing activity: Jul 12, 1989 → Mar 30, 2006
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7062194B2 | Charging device, and process cartridge and image forming apparatus including the charging device | Physics | 18 | Expired |
| US5060922A | Copying paper processing apparatus | Physics | 14 | Expired |
| US7218877B2 | Charging device, and process cartridge and image forming apparatus including the charging device using the same | Physics | 7 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.