Takeo Suda
41Patents
16h-index
76Co-inventors
80Inventor score
Filing activity: Dec 23, 1994 → Aug 17, 2007
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7072602B2 | Image forming apparatus and image forming unit | Physics | 96 | Expired |
| US5887224A | Image forming device with improved mixing of circulated developer with replensihed toner | Physics | 53 | Expired |
| US6055388A | Image forming apparatus and method for obtaining appropriate toner density | Physics | 50 | Expired |
| US6006050A | Image forming method and apparatus for controlling amount of supplied toner or agitating time | Physics | 47 | Expired |
| US5915143A | Image forming apparatus and method for automatically adjusting toner density in response to humidity variations | Physics | 33 | Expired |
| US5532795A | Method of and system for cleaning roller members | Physics | 32 | Expired |
| US7162189B2 | Method and apparatus of image forming and process cartridge included in the apparatus | Physics | 30 | Expired |
| US6055394A | Reliable cover switch employing machine | Physics | 30 | Expired |
| US6101351A | Image forming apparatus having a shutter mechanism for protecting an image bearing member | Physics | 30 | Expired |
| US5678125A | Image forming apparatus | Physics | 28 | Expired |
| US6336013B1 | Image forming apparatus and process cartridge having magnet to prevent toner scattering | Physics | 27 | Expired |
| US5815767A | Image forming apparatus | Physics | 25 | Expired |
| US6256465A | Image forming apparatus and image forming unit therefor | Physics | 25 | Expired |
| US7136610B2 | Image forming apparatus using installable process cartridge, method of positioning process cartridge, and process cartridge itself | Physics | 23 | Expired |
| US6560414B2 | Reusable photoreceptor and image forming apparatus using the reusable photoreceptor and method of reusing photoreceptor | Emerging Cross-Sectional Technologies | 20 | Expired |
| US6807390B2 | Image forming apparatus | Physics | 20 | Expired |
| US7035582B2 | Image forming apparatus and process cartridge including lubricant applying device that prevents waste of lubricant | Physics | 16 | Expired |
| US6463237B2 | Image forming apparatus and charge roller therefor | Physics | 15 | Expired |
| US7062207B2 | Powder transport apparatus and image forming apparatus that can stabilize replenishment of powder | Physics | 14 | Expired |
| USD418862S | Toner cartridge | General | 13 | Expired |
| US6097914A | Image bearing member and method of manufacturing the member and image forming apparatus using the member | Physics | 13 | Expired |
| US7463845B2 | Charging device having a first and second pressure with a cleaning member, and process cartridge and image forming apparatus including the charging device | Physics | 11 | Active |
| US7826786B2 | Image forming apparatus, lubricant applying device, transfer device, process cartridge, and toner | Physics | 11 | Active |
| US7146122B2 | Image forming apparatus and image forming unit | Physics | 10 | Expired |
| US6763208B2 | Photoreceptor regenerating apparatus and image forming apparatus using regenerated photoreceptor and method of regenerating photoreceptor | Physics | 9 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.