Nobuo Iwata
111Patents
31h-index
66Co-inventors
93Inventor score
Filing activity: Dec 29, 1975 → Oct 23, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6393241B1 | Nozzle having an end portion capable of penetrating into a toner discharging portion included in a toner container that stores powdery toner | Performing Operations; Transporting | 111 | Expired |
| US6778289B1 | Image processing device | Physics | 107 | Expired |
| US5875380A | Image forming apparatus eliminating influence of fluctuation in speed of a conveying belt to correction of offset in color registration | Physics | 97 | Expired |
| US6381435B2 | Color image forming apparatus | Physics | 97 | Expired |
| US6628908B2 | Toner supply unit and image forming apparatus | Emerging Cross-Sectional Technologies | 93 | Expired |
| US6282396A | Color image forming apparatus and method of obtaining color images with decreased image positional deviation | Physics | 86 | Expired |
| US6128459A | Color image forming apparatus and method of obtaining color images with decreased image positional deviation | Physics | 83 | Expired |
| US4106611A | Serial printing apparatus | Performing Operations; Transporting | 80 | Expired |
| US7277664B2 | Image forming device, powder feeding device, toner storage container, powder storage container, and method of recycling the containers | Emerging Cross-Sectional Technologies | 76 | Expired |
| US6628915B2 | Developer container for an image forming apparatus | Physics | 64 | Expired |
| US6526246B2 | POWDER REPLENISHING DEVICE, POWDER CONVEYING DEVICE, DEVELOPING APPARATUS USING THE SAME POWDER REPLENISHING DEVICE OR POWDER CONVEYING DEVICE, AND IMAGE FORMING APPARATUS USING THE SAME POWDER REPLENISHING DEVICE OR POWDER CONVEYING DEVICE | Emerging Cross-Sectional Technologies | 59 | Expired |
| US6597883B2 | Powder pump capable of effectively conveying powder and image forming apparatus using powder pump | Emerging Cross-Sectional Technologies | 59 | Expired |
| US6542707B2 | Method and apparatus for image forming capable of effectively transferring various kinds of powder | Emerging Cross-Sectional Technologies | 55 | Expired |
| US6142690A | Color image forming apparatus with drive power transmission mechanism | Physics | 54 | Expired |
| US5963240A | Deflecting mirror adjusting device for an image forming apparatus | Physics | 53 | Expired |
| US6898405B2 | Developer container, developer replenishing device using the same and image forming apparatus including the same | Physics | 53 | Expired |
| US5962783A | Apparatus for detecting rotational speed | Physics | 51 | Expired |
| US6438589B1 | System for communicating a plurality of information processing modules using two cascaded links | Electricity | 50 | Expired |
| US7065313B2 | Developer container, developer replenishing device using the same and image forming apparatus including the same | Physics | 50 | Expired |
| US7221891B2 | Body member of a powder container | Physics | 49 | Expired |
| US5638159A | Developing unit for an image forming apparatus and method of collecting bicomponent developer therefrom | Physics | 47 | Expired |
| US6628913B2 | Method and apparatus for replenishing developer with a flexible powder container | Emerging Cross-Sectional Technologies | 45 | Expired |
| US6571076B2 | Image forming apparatus and toner container therefor | Physics | 43 | Expired |
| US7245853B2 | Developer container, developer supplying unit, and image forming apparatus | Physics | 36 | Expired |
| US7593674B2 | Body member of a powder container | Physics | 36 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.