Yujiro Nomura
160Patents
11h-index
52Co-inventors
83Inventor score
Filing activity: Oct 29, 1991 → Feb 27, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6708011B2 | System for forming color images | Physics | 217 | Expired |
| US6944415B2 | Image carrier cartridge having multiple image carriers | Physics | 70 | Expired |
| US5883732A | Optical scanner | Physics | 30 | Expired |
| US6799011B2 | Tandem-type color image forming apparatus | Physics | 21 | Expired |
| US5673136A | Optical scanner | Physics | 20 | Expired |
| US5950052A | Image forming apparatus | Physics | 18 | Expired |
| US5600476A | Optical scanner | Physics | 15 | Expired |
| US6907215B2 | Developing device and image forming apparatus incorporating the same | Physics | 15 | Expired |
| US6865361B2 | Transfer belt unit and image forming apparatus using the same | Physics | 13 | Expired |
| US6989849B2 | Exposure head and image forming apparatus using the same | Physics | 13 | Expired |
| US6445483B1 | Optical scanning apparatus | Physics | 12 | Expired |
| US6825867B2 | Organic electroluminescent array exposure head, method of fabricating the same, and image forming apparatus using the same | Performing Operations; Transporting | 11 | Expired |
| US5781323A | Optical scanner | Physics | 10 | Expired |
| US6618065B2 | Image forming apparatus having a plurality of writing electrodes | Physics | 10 | Expired |
| US6515692B2 | Image forming apparatus having writing electrodes as a writing device | Performing Operations; Transporting | 10 | Expired |
| US6334034A | Detachable cleaning device for an image forming apparatus | Physics | 9 | Expired |
| US7436564B2 | Light scanning apparatus and method to prevent damage to an oscillation mirror in an abnormal control condition via a detection signal outputted to a controller even though the source still emits light | Emerging Cross-Sectional Technologies | 9 | Active |
| US7058345B2 | Transfer belt unit and image forming apparatus using the same | Physics | 9 | Expired |
| US7415227B2 | Image forming apparatus | Physics | 9 | Active |
| US7020417B2 | Image carrier cartridge, an exposure head shielded from light, and image forming apparatus using these | Physics | 8 | Expired |
| US6518990B2 | Image forming apparatus for forming an electrostatic latent image on a latent image carrier | Performing Operations; Transporting | 8 | Expired |
| US6708013B2 | Color image forming apparatus | Physics | 8 | Expired |
| US7636101B2 | MEMS scanner adapted to a laser printer | Physics | 7 | Active |
| US5877883A | Optical scanner | Physics | 7 | Expired |
| US5937244A | Image forming apparatus having a flexible cylindrical thin image carrier | Physics | 7 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.