Eiji Nimura
31Patents
4h-index
42Co-inventors
63Inventor score
Filing activity: Jul 9, 1986 → Sep 21, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5233398A | Cleaning unit for removing residual toner on photoreceptor drum for use in image forming apparatus | Physics | 20 | Expired |
| US5850585A | Destaticizer and image forming apparatus employing the same | Physics | 11 | Expired |
| US5034773A | Developing unit with a member for agitating the toners in a developer | Physics | 6 | Expired |
| US5260760A | Image forming apparatus with auxiliary image forming mechanism | Physics | 5 | Expired |
| US7630656B2 | Image forming apparatus | Physics | 4 | Active |
| US7680428B2 | Grid wire cleaning mechanism | Physics | 4 | Active |
| US4701389A | Photoconductive toner | Emerging Cross-Sectional Technologies | 4 | Expired |
| US5521681A | Image forming apparatus | Physics | 4 | Expired |
| US7421226B2 | Developing device and image forming apparatus | Physics | 4 | Active |
| US5412460A | Image transfer unit for image forming apparatus | Physics | 3 | Expired |
| US7542696B2 | Developing device and image forming device equipped with same | Physics | 2 | Active |
| US8913925B2 | Developer conveying device including a plurality of planar portions and a developing device and image forming apparatus provided with same | Physics | 1 | Active |
| US7555247B2 | Toner conveying device, developing device, and image forming device having the same | Physics | 1 | Active |
| US8666292B2 | Developer case and image forming apparatus to which developer case is applied | Physics | 1 | Active |
| US9152085B2 | Developing device and image forming apparatus including the same | Physics | 1 | Active |
| US7647001B2 | Developing device and image forming device equipped with same | Physics | 1 | Active |
| US6778796B2 | Driving mechanism for use in image forming apparatus | Physics | 1 | Expired |
| US10281837B1 | Developing device and image forming apparatus therewith | Physics | 0 | Active |
| US9176429B2 | Developing device and image forming apparatus provided with same | Physics | 0 | Active |
| US8532539B2 | Image forming apparatus | Physics | 0 | Active |
| US8406661B2 | Developing device and image forming apparatus provided therewith | Physics | 0 | Active |
| US9274456B2 | Developing device comprising a conveying member having a hollow spiral shape and image forming apparatus provided with the same | Physics | 0 | Active |
| US10281840B2 | Image forming apparatus that executes cleaning operation on fixing section | Physics | 0 | Active |
| US9008553B2 | Developer conveying device, and developing device and image forming apparatus provided with same | Physics | 0 | Active |
| US7421233B2 | Developing device and image forming apparatus | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.