Satoshi Muramatsu
112Patents
31h-index
95Co-inventors
93Inventor score
Filing activity: Jan 26, 1995 → Apr 4, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6507720B2 | Color image forming apparatus and toner replenishing apparatus each including plural toner containers received in receiving member of setting part and toner containers therefor | Physics | 120 | Expired |
| 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 |
| US6628908B2 | Toner supply unit and image forming apparatus | Emerging Cross-Sectional Technologies | 93 | Expired |
| US6112046A | Image forming apparatus having recycling of residual toner | Physics | 83 | Expired |
| US5953567A | Screw pump, toner conveying device using the same and toner filling system | Emerging Cross-Sectional Technologies | 78 | Expired |
| US6201941A | Developer container for an image forming apparatus and method of conveying a developer | Physics | 77 | 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 |
| US5987298A | Image forming apparatus including a toner recycling mechanism | Physics | 71 | Expired |
| US6826381B2 | Image formation device and agent supplying device including absorber conveying by negative pressure | Physics | 68 | Expired |
| US6628915B2 | Developer container for an image forming apparatus | Physics | 64 | Expired |
| US6597883B2 | Powder pump capable of effectively conveying powder and image forming apparatus using powder pump | Emerging Cross-Sectional Technologies | 59 | 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 |
| US6567637B2 | Apparatus and method for replenishing a developing device with toner while suppressing toner remaining | 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 |
| US6678492B1 | Toner container and toner delivery apparatus | Emerging Cross-Sectional Technologies | 54 | Expired |
| US6898405B2 | Developer container, developer replenishing device using the same and image forming apparatus including the same | Physics | 53 | Expired |
| US5797074A | Image forming system | Physics | 53 | 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 |
| US5960246A | Image forming apparatus with powder pump | 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 |
| US5815784A | Cleaning device for an image forming apparatus and a toner collecting device therefor | Physics | 40 | 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.