Kiyoshi Sakoh
7Patents
3h-index
15Co-inventors
50Inventor score
Filing activity: Oct 12, 2000 → Mar 3, 2011
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6445888B1 | Image forming apparatus having a detachable cartridge and developer residual amount sensor | Physics | 6 | Expired |
| US8121524B2 | Developer supply container and image forming apparatus | Physics | 5 | Active |
| US8014705B2 | Developing device, image supporter unit, and image formation apparatus | Physics | 4 | Active |
| US8577245B2 | Image forming apparatus | Physics | 3 | Active |
| US7212763B2 | Image forming apparatus and seal portion for use in the same | Physics | 0 | Expired |
| US7885582B2 | Image forming apparatus having developing material cartridges and a supply developing material container | Physics | 0 | Active |
| US8185024B2 | Developing unit having a magnet member and image forming apparatus including the developing unit | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.