Satoshi Narumi
34Patents
15h-index
50Co-inventors
84Inventor score
Filing activity: Jul 2, 1990 → Dec 27, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7321744B2 | Developer container, developer supplying device, and image forming apparatus | Emerging Cross-Sectional Technologies | 89 | Expired |
| US7480476B2 | Developer container, developer supplying device, and image forming apparatus | Emerging Cross-Sectional Technologies | 86 | Active |
| US7519317B2 | Developer container, developer supplying device, and image forming apparatus | Emerging Cross-Sectional Technologies | 62 | Active |
| US8005406B2 | Developer container, developer supplying device, and image forming apparatus | Emerging Cross-Sectional Technologies | 59 | Active |
| US7835673B2 | Developer container, developer supplying device, and image forming apparatus | Emerging Cross-Sectional Technologies | 56 | Active |
| US7697870B2 | Developer container, developer supplying device, and image forming apparatus | Emerging Cross-Sectional Technologies | 53 | Active |
| US8195070B2 | Developer container, developer supplying device, and image forming apparatus | Emerging Cross-Sectional Technologies | 47 | Active |
| US7184691B2 | Toner container, toner supply device and image forming apparatus | Physics | 45 | Expired |
| US7076192B2 | Powder conveying device and image forming apparatus using the same | Emerging Cross-Sectional Technologies | 31 | Expired |
| US7024133B2 | Image forming apparatus using a user installable process cartridge, a method of arranging the process cartridge, and the process cartridge itself | Physics | 30 | Expired |
| US7398038B2 | Image forming apparatus using a toner container and a process cartridge | Physics | 29 | Expired |
| US7577379B2 | Toner container, toner supply device and image forming apparatus | Physics | 26 | Active |
| US7136610B2 | Image forming apparatus using installable process cartridge, method of positioning process cartridge, and process cartridge itself | Physics | 23 | Expired |
| US7962069B2 | Toner container, image forming apparatus, method of recycling toner container | Physics | 19 | Active |
| US6724166B2 | Apparatus for reducing motor driving noise and method for generating motor driving noise reducing signal | Electricity | 15 | Expired |
| US7212767B2 | Image forming apparatus and process cartridge removably mounted thereto | Physics | 15 | Expired |
| US6806663B2 | Motor driving circuit | Electricity | 15 | Expired |
| US7493061B2 | Process cartridge including at least one replaceable member and image forming apparatus | Physics | 13 | Expired |
| US8018189B2 | Motor drive apparatus | Electricity | 11 | Active |
| US7003255B2 | Image forming apparatus and process cartridge | Physics | 9 | Expired |
| US7902775B2 | Motor driving device | Electricity | 7 | Active |
| US7106013B2 | Motor drive apparatus driving 3-phase brushless motor without using hall sensor | Electricity | 6 | Expired |
| US7158730B2 | Image forming apparatus, process cartridge, developing unit, and image forming method | Physics | 5 | Expired |
| US7522850B2 | Image forming apparatus, process cartridge, developing unit, and image forming method | Physics | 3 | Active |
| US7176677B2 | Stationary position detection circuit and motor drive circuit | Physics | 3 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.